aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/Makefile2
-rw-r--r--drivers/base/attribute_container.c2
-rw-r--r--drivers/base/base.h12
-rw-r--r--drivers/base/class.c150
-rw-r--r--drivers/base/core.c21
-rw-r--r--drivers/base/cpu.c1
-rw-r--r--drivers/base/driver.c3
-rw-r--r--drivers/base/firmware.c3
-rw-r--r--drivers/base/init.c10
-rw-r--r--drivers/base/platform.c22
-rw-r--r--drivers/base/power/main.c26
-rw-r--r--drivers/base/power/power.h13
-rw-r--r--drivers/base/power/runtime.c1
-rw-r--r--drivers/base/power/sysfs.c73
-rw-r--r--drivers/block/aoe/aoe.h2
-rw-r--r--drivers/block/aoe/aoechr.c2
-rw-r--r--drivers/block/aoe/aoecmd.c15
-rw-r--r--drivers/block/as-iosched.c327
-rw-r--r--drivers/block/cfq-iosched.c372
-rw-r--r--drivers/block/deadline-iosched.c125
-rw-r--r--drivers/block/elevator.c345
-rw-r--r--drivers/block/genhd.c25
-rw-r--r--drivers/block/ll_rw_blk.c193
-rw-r--r--drivers/block/loop.c2
-rw-r--r--drivers/block/noop-iosched.c48
-rw-r--r--drivers/block/paride/pg.c2
-rw-r--r--drivers/block/paride/pt.c4
-rw-r--r--drivers/block/rd.c2
-rw-r--r--drivers/block/sx8.c51
-rw-r--r--drivers/block/ub.c4
-rw-r--r--drivers/bluetooth/Kconfig8
-rw-r--r--drivers/bluetooth/bpa10x.c3
-rw-r--r--drivers/bluetooth/hci_bcsp.c160
-rw-r--r--drivers/bluetooth/hci_bcsp.h70
-rw-r--r--drivers/bluetooth/hci_h4.c101
-rw-r--r--drivers/bluetooth/hci_h4.h44
-rw-r--r--drivers/bluetooth/hci_ldisc.c134
-rw-r--r--drivers/bluetooth/hci_uart.h84
-rw-r--r--drivers/char/dsp56k.c2
-rw-r--r--drivers/char/ftape/zftape/zftape-init.c12
-rw-r--r--drivers/char/ip2main.c10
-rw-r--r--drivers/char/ipmi/ipmi_devintf.c2
-rw-r--r--drivers/char/istallion.c3
-rw-r--r--drivers/char/lp.c2
-rw-r--r--drivers/char/mem.c3
-rw-r--r--drivers/char/misc.c2
-rw-r--r--drivers/char/n_tty.c2
-rw-r--r--drivers/char/nvram.c110
-rw-r--r--drivers/char/ppdev.c2
-rw-r--r--drivers/char/raw.c4
-rw-r--r--drivers/char/s3c2410-rtc.c20
-rw-r--r--drivers/char/snsc.c2
-rw-r--r--drivers/char/sonypi.c106
-rw-r--r--drivers/char/stallion.c4
-rw-r--r--drivers/char/tipar.c2
-rw-r--r--drivers/char/tty_io.c10
-rw-r--r--drivers/char/vc_screen.c10
-rw-r--r--drivers/char/viotape.c4
-rw-r--r--drivers/char/watchdog/s3c2410_wdt.c30
-rw-r--r--drivers/hwmon/adm1021.c5
-rw-r--r--drivers/hwmon/adm1025.c3
-rw-r--r--drivers/hwmon/adm1026.c22
-rw-r--r--drivers/hwmon/adm1031.c3
-rw-r--r--drivers/hwmon/adm9240.c429
-rw-r--r--drivers/hwmon/asb100.c11
-rw-r--r--drivers/hwmon/atxp1.c5
-rw-r--r--drivers/hwmon/ds1621.c9
-rw-r--r--drivers/hwmon/fscher.c3
-rw-r--r--drivers/hwmon/fscpos.c5
-rw-r--r--drivers/hwmon/gl518sm.c3
-rw-r--r--drivers/hwmon/gl520sm.c3
-rw-r--r--drivers/hwmon/hdaps.c6
-rw-r--r--drivers/hwmon/hwmon.c2
-rw-r--r--drivers/hwmon/it87.c56
-rw-r--r--drivers/hwmon/lm63.c3
-rw-r--r--drivers/hwmon/lm75.c3
-rw-r--r--drivers/hwmon/lm77.c3
-rw-r--r--drivers/hwmon/lm78.c6
-rw-r--r--drivers/hwmon/lm80.c5
-rw-r--r--drivers/hwmon/lm83.c3
-rw-r--r--drivers/hwmon/lm85.c15
-rw-r--r--drivers/hwmon/lm87.c3
-rw-r--r--drivers/hwmon/lm90.c181
-rw-r--r--drivers/hwmon/lm92.c3
-rw-r--r--drivers/hwmon/max1619.c3
-rw-r--r--drivers/hwmon/pc87360.c3
-rw-r--r--drivers/hwmon/sis5595.c3
-rw-r--r--drivers/hwmon/smsc47b397.c10
-rw-r--r--drivers/hwmon/smsc47m1.c10
-rw-r--r--drivers/hwmon/via686a.c28
-rw-r--r--drivers/hwmon/w83627ehf.c16
-rw-r--r--drivers/hwmon/w83627hf.c32
-rw-r--r--drivers/hwmon/w83781d.c11
-rw-r--r--drivers/hwmon/w83792d.c7
-rw-r--r--drivers/hwmon/w83l785ts.c42
-rw-r--r--drivers/i2c/algos/i2c-algo-pca.c2
-rw-r--r--drivers/i2c/algos/i2c-algo-sibyte.c2
-rw-r--r--drivers/i2c/busses/Kconfig3
-rw-r--r--drivers/i2c/busses/i2c-ali1535.c7
-rw-r--r--drivers/i2c/busses/i2c-ali1563.c7
-rw-r--r--drivers/i2c/busses/i2c-ali15x3.c10
-rw-r--r--drivers/i2c/busses/i2c-amd756-s4882.c4
-rw-r--r--drivers/i2c/busses/i2c-amd756.c8
-rw-r--r--drivers/i2c/busses/i2c-amd8111.c16
-rw-r--r--drivers/i2c/busses/i2c-elektor.c138
-rw-r--r--drivers/i2c/busses/i2c-hydra.c1
-rw-r--r--drivers/i2c/busses/i2c-i801.c61
-rw-r--r--drivers/i2c/busses/i2c-i810.c2
-rw-r--r--drivers/i2c/busses/i2c-ibm_iic.c3
-rw-r--r--drivers/i2c/busses/i2c-iop3xx.c9
-rw-r--r--drivers/i2c/busses/i2c-isa.c1
-rw-r--r--drivers/i2c/busses/i2c-ixp2000.c8
-rw-r--r--drivers/i2c/busses/i2c-ixp4xx.c8
-rw-r--r--drivers/i2c/busses/i2c-keywest.c5
-rw-r--r--drivers/i2c/busses/i2c-mpc.c4
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c6
-rw-r--r--drivers/i2c/busses/i2c-nforce2.c16
-rw-r--r--drivers/i2c/busses/i2c-parport.c11
-rw-r--r--drivers/i2c/busses/i2c-piix4.c13
-rw-r--r--drivers/i2c/busses/i2c-pmac-smu.c3
-rw-r--r--drivers/i2c/busses/i2c-prosavage.c10
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c10
-rw-r--r--drivers/i2c/busses/i2c-savage4.c1
-rw-r--r--drivers/i2c/busses/i2c-sis5595.c10
-rw-r--r--drivers/i2c/busses/i2c-sis630.c9
-rw-r--r--drivers/i2c/busses/i2c-sis96x.c8
-rw-r--r--drivers/i2c/busses/i2c-via.c7
-rw-r--r--drivers/i2c/busses/i2c-viapro.c271
-rw-r--r--drivers/i2c/busses/i2c-voodoo3.c1
-rw-r--r--drivers/i2c/busses/scx200_acb.c3
-rw-r--r--drivers/i2c/chips/Kconfig9
-rw-r--r--drivers/i2c/chips/Makefile1
-rw-r--r--drivers/i2c/chips/ds1337.c3
-rw-r--r--drivers/i2c/chips/ds1374.c7
-rw-r--r--drivers/i2c/chips/eeprom.c9
-rw-r--r--drivers/i2c/chips/isp1301_omap.c1
-rw-r--r--drivers/i2c/chips/m41t00.c4
-rw-r--r--drivers/i2c/chips/max6875.c6
-rw-r--r--drivers/i2c/chips/pca9539.c3
-rw-r--r--drivers/i2c/chips/pcf8574.c5
-rw-r--r--drivers/i2c/chips/pcf8591.c5
-rw-r--r--drivers/i2c/chips/rtc8564.c5
-rw-r--r--drivers/i2c/chips/tps65010.c3
-rw-r--r--drivers/i2c/chips/x1205.c698
-rw-r--r--drivers/i2c/i2c-core.c198
-rw-r--r--drivers/i2c/i2c-dev.c17
-rw-r--r--drivers/ide/ide-tape.c38
-rw-r--r--drivers/ieee1394/dv1394.c2
-rw-r--r--drivers/ieee1394/eth1394.c2
-rw-r--r--drivers/ieee1394/nodemgr.c4
-rw-r--r--drivers/ieee1394/raw1394.c2
-rw-r--r--drivers/ieee1394/video1394.c2
-rw-r--r--drivers/infiniband/core/agent.c293
-rw-r--r--drivers/infiniband/core/agent.h13
-rw-r--r--drivers/infiniband/core/agent_priv.h62
-rw-r--r--drivers/infiniband/core/cm.c217
-rw-r--r--drivers/infiniband/core/cm_msgs.h1
-rw-r--r--drivers/infiniband/core/device.c12
-rw-r--r--drivers/infiniband/core/mad.c335
-rw-r--r--drivers/infiniband/core/mad_priv.h8
-rw-r--r--drivers/infiniband/core/mad_rmpp.c114
-rw-r--r--drivers/infiniband/core/mad_rmpp.h2
-rw-r--r--drivers/infiniband/core/sa_query.c270
-rw-r--r--drivers/infiniband/core/smi.h2
-rw-r--r--drivers/infiniband/core/sysfs.c16
-rw-r--r--drivers/infiniband/core/ucm.c267
-rw-r--r--drivers/infiniband/core/ucm.h83
-rw-r--r--drivers/infiniband/core/user_mad.c399
-rw-r--r--drivers/infiniband/core/uverbs.h62
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c858
-rw-r--r--drivers/infiniband/core/uverbs_main.c503
-rw-r--r--drivers/infiniband/core/verbs.c18
-rw-r--r--drivers/infiniband/hw/mthca/Makefile3
-rw-r--r--drivers/infiniband/hw/mthca/mthca_catas.c153
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.c13
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.h2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h22
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c21
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mad.c72
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c11
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mcg.c11
-rw-r--r--drivers/infiniband/hw/mthca/mthca_memfree.c5
-rw-r--r--drivers/infiniband/hw/mthca/mthca_memfree.h5
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c49
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c16
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c43
-rw-r--r--drivers/infiniband/hw/mthca/mthca_user.h6
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h23
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c120
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c15
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c9
-rw-r--r--drivers/input/evdev.c16
-rw-r--r--drivers/input/input.c445
-rw-r--r--drivers/input/joydev.c16
-rw-r--r--drivers/input/joystick/adi.c93
-rw-r--r--drivers/input/joystick/amijoy.c85
-rw-r--r--drivers/input/joystick/analog.c96
-rw-r--r--drivers/input/joystick/cobra.c66
-rw-r--r--drivers/input/joystick/db9.c292
-rw-r--r--drivers/input/joystick/gamecon.c396
-rw-r--r--drivers/input/joystick/gf2k.c69
-rw-r--r--drivers/input/joystick/grip.c77
-rw-r--r--drivers/input/joystick/grip_mp.c149
-rw-r--r--drivers/input/joystick/guillemot.c51
-rw-r--r--drivers/input/joystick/iforce/iforce-main.c106
-rw-r--r--drivers/input/joystick/iforce/iforce-packets.c5
-rw-r--r--drivers/input/joystick/iforce/iforce-serio.c10
-rw-r--r--drivers/input/joystick/iforce/iforce-usb.c22
-rw-r--r--drivers/input/joystick/iforce/iforce.h2
-rw-r--r--drivers/input/joystick/interact.c53
-rw-r--r--drivers/input/joystick/magellan.c71
-rw-r--r--drivers/input/joystick/sidewinder.c70
-rw-r--r--drivers/input/joystick/spaceball.c82
-rw-r--r--drivers/input/joystick/spaceorb.c78
-rw-r--r--drivers/input/joystick/stinger.c75
-rw-r--r--drivers/input/joystick/tmdc.c324
-rw-r--r--drivers/input/joystick/turbografx.c215
-rw-r--r--drivers/input/joystick/twidjoy.c120
-rw-r--r--drivers/input/joystick/warrior.c83
-rw-r--r--drivers/input/keyboard/amikbd.c59
-rw-r--r--drivers/input/keyboard/atkbd.c188
-rw-r--r--drivers/input/keyboard/corgikbd.c96
-rw-r--r--drivers/input/keyboard/hil_kbd.c28
-rw-r--r--drivers/input/keyboard/hilkbd.c8
-rw-r--r--drivers/input/keyboard/lkkbd.c128
-rw-r--r--drivers/input/keyboard/maple_keyb.c72
-rw-r--r--drivers/input/keyboard/newtonkbd.c83
-rw-r--r--drivers/input/keyboard/spitzkbd.c119
-rw-r--r--drivers/input/keyboard/sunkbd.c117
-rw-r--r--drivers/input/keyboard/xtkbd.c80
-rw-r--r--drivers/input/misc/m68kspkr.c36
-rw-r--r--drivers/input/misc/pcspkr.c30
-rw-r--r--drivers/input/misc/sparcspkr.c47
-rw-r--r--drivers/input/mouse/alps.c63
-rw-r--r--drivers/input/mouse/alps.h2
-rw-r--r--drivers/input/mouse/amimouse.c49
-rw-r--r--drivers/input/mouse/hil_ptr.c33
-rw-r--r--drivers/input/mouse/inport.c96
-rw-r--r--drivers/input/mouse/lifebook.c16
-rw-r--r--drivers/input/mouse/logibm.c88
-rw-r--r--drivers/input/mouse/logips2pp.c20
-rw-r--r--drivers/input/mouse/maplemouse.c10
-rw-r--r--drivers/input/mouse/pc110pad.c64
-rw-r--r--drivers/input/mouse/psmouse-base.c99
-rw-r--r--drivers/input/mouse/psmouse.h2
-rw-r--r--drivers/input/mouse/rpcmouse.c43
-rw-r--r--drivers/input/mouse/sermouse.c82
-rw-r--r--drivers/input/mouse/synaptics.c6
-rw-r--r--drivers/input/mouse/vsxxxaa.c84
-rw-r--r--drivers/input/mousedev.c25
-rw-r--r--drivers/input/serio/gscps2.c17
-rw-r--r--drivers/input/serio/hil_mlc.c14
-rw-r--r--drivers/input/serio/hp_sdc.c8
-rw-r--r--drivers/input/serio/i8042.c13
-rw-r--r--drivers/input/touchscreen/corgi_ts.c127
-rw-r--r--drivers/input/touchscreen/elo.c89
-rw-r--r--drivers/input/touchscreen/gunze.c66
-rw-r--r--drivers/input/touchscreen/h3600_ts_input.c149
-rw-r--r--drivers/input/touchscreen/hp680_ts_input.c50
-rw-r--r--drivers/input/touchscreen/mk712.c80
-rw-r--r--drivers/input/touchscreen/mtouch.c64
-rw-r--r--drivers/input/tsdev.c19
-rw-r--r--drivers/isdn/capi/capi.c2
-rw-r--r--drivers/macintosh/adb.c2
-rw-r--r--drivers/macintosh/adbhid.c222
-rw-r--r--drivers/macintosh/mac_hid.c40
-rw-r--r--drivers/md/bitmap.c2
-rw-r--r--drivers/md/dm-crypt.c2
-rw-r--r--drivers/media/common/ir-common.c1
-rw-r--r--drivers/media/dvb/cinergyT2/cinergyT2.c108
-rw-r--r--drivers/media/dvb/dvb-core/dvbdev.c2
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-remote.c50
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb.h3
-rw-r--r--drivers/media/dvb/ttpci/av7110_ir.c37
-rw-r--r--drivers/media/dvb/ttpci/budget-ci.c24
-rw-r--r--drivers/media/dvb/ttusb-dec/ttusb_dec.c51
-rw-r--r--drivers/media/video/bttvp.h2
-rw-r--r--drivers/media/video/cx88/cx88-input.c58
-rw-r--r--drivers/media/video/ir-kbd-gpio.c52
-rw-r--r--drivers/media/video/ir-kbd-i2c.c33
-rw-r--r--drivers/media/video/msp3400.c8
-rw-r--r--drivers/media/video/saa7134/saa7134-input.c39
-rw-r--r--drivers/media/video/saa7134/saa7134.h2
-rw-r--r--drivers/media/video/tda9887.c4
-rw-r--r--drivers/media/video/tuner-core.c4
-rw-r--r--drivers/message/i2o/core.h3
-rw-r--r--drivers/message/i2o/device.c272
-rw-r--r--drivers/message/i2o/driver.c3
-rw-r--r--drivers/message/i2o/iop.c32
-rw-r--r--drivers/mfd/mcp-sa11x0.c20
-rw-r--r--drivers/mfd/ucb1x00-ts.c43
-rw-r--r--drivers/mmc/mmci.c1
-rw-r--r--drivers/mmc/pxamci.c8
-rw-r--r--drivers/mmc/wbsd.c123
-rw-r--r--drivers/mtd/maps/sa1100-flash.c9
-rw-r--r--drivers/mtd/mtdchar.c4
-rw-r--r--drivers/net/8139cp.c5
-rw-r--r--drivers/net/8139too.c5
-rw-r--r--drivers/net/Kconfig25
-rw-r--r--drivers/net/Makefile4
-rw-r--r--drivers/net/arm/am79c961a.c1
-rw-r--r--drivers/net/au1000_eth.c13
-rw-r--r--drivers/net/b44.c136
-rw-r--r--drivers/net/b44.h2
-rw-r--r--drivers/net/bonding/bond_main.c57
-rw-r--r--drivers/net/cassini.c4
-rw-r--r--drivers/net/cs89x0.c14
-rw-r--r--drivers/net/cs89x0.h2
-rw-r--r--drivers/net/declance.c37
-rw-r--r--drivers/net/dm9000.c8
-rw-r--r--drivers/net/e100.c4
-rw-r--r--drivers/net/e1000/e1000.h74
-rw-r--r--drivers/net/e1000/e1000_ethtool.c95
-rw-r--r--drivers/net/e1000/e1000_hw.c220
-rw-r--r--drivers/net/e1000/e1000_hw.h96
-rw-r--r--drivers/net/e1000/e1000_main.c1078
-rw-r--r--drivers/net/e1000/e1000_param.c10
-rw-r--r--drivers/net/epic100.c4
-rw-r--r--drivers/net/forcedeth.c310
-rw-r--r--drivers/net/gianfar.c412
-rw-r--r--drivers/net/gianfar.h30
-rw-r--r--drivers/net/gianfar_ethtool.c100
-rw-r--r--drivers/net/gianfar_mii.c219
-rw-r--r--drivers/net/gianfar_mii.h45
-rw-r--r--drivers/net/gianfar_phy.c661
-rw-r--r--drivers/net/gianfar_phy.h213
-rw-r--r--drivers/net/hamradio/Kconfig1
-rw-r--r--drivers/net/hamradio/bpqether.c9
-rw-r--r--drivers/net/hamradio/mkiss.c182
-rw-r--r--drivers/net/hamradio/mkiss.h62
-rw-r--r--drivers/net/hp100.c48
-rw-r--r--drivers/net/irda/Kconfig10
-rw-r--r--drivers/net/irda/Makefile1
-rw-r--r--drivers/net/irda/pxaficp_ir.c871
-rw-r--r--drivers/net/irda/sa1100_ir.c8
-rw-r--r--drivers/net/irda/smsc-ircc2.c12
-rw-r--r--drivers/net/irda/stir4200.c7
-rw-r--r--drivers/net/ixgb/ixgb_ethtool.c8
-rw-r--r--drivers/net/ixgb/ixgb_main.c3
-rw-r--r--drivers/net/lance.c4
-rw-r--r--drivers/net/lasi_82596.c30
-rw-r--r--drivers/net/lne390.c2
-rw-r--r--drivers/net/mii.c15
-rw-r--r--drivers/net/mipsnet.c371
-rw-r--r--drivers/net/mipsnet.h127
-rw-r--r--drivers/net/myri_sbus.c2
-rw-r--r--drivers/net/myri_sbus.h2
-rw-r--r--drivers/net/ne.c15
-rw-r--r--drivers/net/ne2k-pci.c2
-rw-r--r--drivers/net/ns83820.c3
-rw-r--r--drivers/net/pcnet32.c278
-rw-r--r--drivers/net/phy/Kconfig8
-rw-r--r--drivers/net/phy/mdio_bus.c20
-rw-r--r--drivers/net/phy/phy.c8
-rw-r--r--drivers/net/phy/phy_device.c3
-rw-r--r--drivers/net/ppp_generic.c2
-rw-r--r--drivers/net/r8169.c2
-rw-r--r--drivers/net/rionet.c574
-rw-r--r--drivers/net/s2io-regs.h11
-rw-r--r--drivers/net/s2io.c791
-rw-r--r--drivers/net/s2io.h50
-rw-r--r--drivers/net/sb1250-mac.c1384
-rw-r--r--drivers/net/sgiseeq.c37
-rw-r--r--drivers/net/skge.c2
-rw-r--r--drivers/net/smc91x.c8
-rw-r--r--drivers/net/sunbmac.c3
-rw-r--r--drivers/net/sunbmac.h2
-rw-r--r--drivers/net/sundance.c49
-rw-r--r--drivers/net/tokenring/ibmtr.c9
-rw-r--r--drivers/net/tokenring/olympic.c2
-rw-r--r--drivers/net/tokenring/tms380tr.c3
-rw-r--r--drivers/net/tulip/de2104x.c5
-rw-r--r--drivers/net/typhoon.c7
-rw-r--r--drivers/net/via-rhine.c38
-rw-r--r--drivers/net/wan/cosa.c8
-rw-r--r--drivers/net/wan/cycx_drv.c7
-rw-r--r--drivers/net/wan/cycx_main.c2
-rw-r--r--drivers/net/wan/cycx_x25.c5
-rw-r--r--drivers/net/wan/dscc4.c23
-rw-r--r--drivers/net/wan/farsync.c27
-rw-r--r--drivers/net/wan/hdlc_fr.c2
-rw-r--r--drivers/net/wan/lmc/lmc_debug.c10
-rw-r--r--drivers/net/wan/lmc/lmc_media.c8
-rw-r--r--drivers/net/wan/pc300.h16
-rw-r--r--drivers/net/wan/pc300_drv.c87
-rw-r--r--drivers/net/wan/pc300_tty.c18
-rw-r--r--drivers/net/wan/sdla.c20
-rw-r--r--drivers/net/wan/sdla_fr.c4
-rw-r--r--drivers/net/wan/sdla_x25.c8
-rw-r--r--drivers/net/wan/sdladrv.c16
-rw-r--r--drivers/net/wan/syncppp.c10
-rw-r--r--drivers/net/wireless/airo.c37
-rw-r--r--drivers/net/wireless/airport.c19
-rw-r--r--drivers/net/wireless/atmel.c24
-rw-r--r--drivers/net/wireless/hermes.c11
-rw-r--r--drivers/net/wireless/hermes.h111
-rw-r--r--drivers/net/wireless/hostap/hostap.c6
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_rx.c43
-rw-r--r--drivers/net/wireless/hostap/hostap_80211_tx.c28
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.c80
-rw-r--r--drivers/net/wireless/hostap/hostap_ap.h6
-rw-r--r--drivers/net/wireless/hostap/hostap_cs.c50
-rw-r--r--drivers/net/wireless/hostap/hostap_hw.c22
-rw-r--r--drivers/net/wireless/hostap/hostap_ioctl.c23
-rw-r--r--drivers/net/wireless/hostap/hostap_pci.c21
-rw-r--r--drivers/net/wireless/hostap/hostap_plx.c11
-rw-r--r--drivers/net/wireless/hostap/hostap_wlan.h2
-rw-r--r--drivers/net/wireless/ipw2100.c24
-rw-r--r--drivers/net/wireless/ipw2100.h2
-rw-r--r--drivers/net/wireless/ipw2200.c27
-rw-r--r--drivers/net/wireless/ipw2200.h4
-rw-r--r--drivers/net/wireless/netwave_cs.c185
-rw-r--r--drivers/net/wireless/orinoco.c235
-rw-r--r--drivers/net/wireless/orinoco.h16
-rw-r--r--drivers/net/wireless/orinoco_cs.c110
-rw-r--r--drivers/net/wireless/orinoco_nortel.c20
-rw-r--r--drivers/net/wireless/orinoco_pci.c18
-rw-r--r--drivers/net/wireless/orinoco_plx.c18
-rw-r--r--drivers/net/wireless/orinoco_tmd.c18
-rw-r--r--drivers/net/wireless/prism54/isl_ioctl.c10
-rw-r--r--drivers/net/wireless/prism54/islpci_dev.c10
-rw-r--r--drivers/net/wireless/prism54/islpci_dev.h2
-rw-r--r--drivers/net/wireless/prism54/islpci_mgt.c5
-rw-r--r--drivers/net/wireless/ray_cs.c46
-rw-r--r--drivers/net/wireless/spectrum_cs.c79
-rw-r--r--drivers/net/wireless/wavelan.c8
-rw-r--r--drivers/net/wireless/wavelan.p.h4
-rw-r--r--drivers/net/wireless/wavelan_cs.c8
-rw-r--r--drivers/net/wireless/wavelan_cs.p.h4
-rw-r--r--drivers/net/wireless/wl3501.h2
-rw-r--r--drivers/parisc/asp.c6
-rw-r--r--drivers/parisc/ccio-dma.c144
-rw-r--r--drivers/parisc/ccio-rm-dma.c2
-rw-r--r--drivers/parisc/dino.c42
-rw-r--r--drivers/parisc/eisa.c4
-rw-r--r--drivers/parisc/gsc.c11
-rw-r--r--drivers/parisc/hppb.c10
-rw-r--r--drivers/parisc/iosapic.c2
-rw-r--r--drivers/parisc/lasi.c4
-rw-r--r--drivers/parisc/lba_pci.c14
-rw-r--r--drivers/parisc/led.c225
-rw-r--r--drivers/parisc/pdc_stable.c2
-rw-r--r--drivers/parisc/sba_iommu.c166
-rw-r--r--drivers/parisc/superio.c3
-rw-r--r--drivers/parisc/wax.c2
-rw-r--r--drivers/parport/parport_gsc.c5
-rw-r--r--drivers/pci/access.c89
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c8
-rw-r--r--drivers/pci/hotplug/cpcihp_zt5550.c25
-rw-r--r--drivers/pci/hotplug/cpqphp_core.c24
-rw-r--r--drivers/pci/hotplug/rpaphp.h3
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c5
-rw-r--r--drivers/pci/hotplug/rpaphp_pci.c11
-rw-r--r--drivers/pci/hotplug/shpchp.h122
-rw-r--r--drivers/pci/hotplug/shpchp_core.c111
-rw-r--r--drivers/pci/hotplug/shpchp_ctrl.c2034
-rw-r--r--drivers/pci/hotplug/shpchp_hpc.c175
-rw-r--r--drivers/pci/hotplug/shpchp_pci.c861
-rw-r--r--drivers/pci/hotplug/shpchp_sysfs.c119
-rw-r--r--drivers/pci/hotplug/shpchprm.h55
-rw-r--r--drivers/pci/hotplug/shpchprm_acpi.c1649
-rw-r--r--drivers/pci/hotplug/shpchprm_legacy.c395
-rw-r--r--drivers/pci/hotplug/shpchprm_legacy.h113
-rw-r--r--drivers/pci/hotplug/shpchprm_nonacpi.c389
-rw-r--r--drivers/pci/hotplug/shpchprm_nonacpi.h56
-rw-r--r--drivers/pci/msi.c2
-rw-r--r--drivers/pci/pci-driver.c17
-rw-r--r--drivers/pci/pci-sysfs.c20
-rw-r--r--drivers/pci/pci.c21
-rw-r--r--drivers/pci/pci.h7
-rw-r--r--drivers/pci/pcie/portdrv_core.c4
-rw-r--r--drivers/pci/probe.c1
-rw-r--r--drivers/pci/proc.c28
-rw-r--r--drivers/pci/quirks.c290
-rw-r--r--drivers/pci/syscall.c14
-rw-r--r--drivers/pcmcia/au1000_generic.c21
-rw-r--r--drivers/pcmcia/ds.c6
-rw-r--r--drivers/pcmcia/hd64465_ss.c20
-rw-r--r--drivers/pcmcia/i82365.c20
-rw-r--r--drivers/pcmcia/m32r_cfc.c21
-rw-r--r--drivers/pcmcia/m32r_pcc.c21
-rw-r--r--drivers/pcmcia/omap_cf.c18
-rw-r--r--drivers/pcmcia/pxa2xx_base.c26
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c6
-rw-r--r--drivers/pcmcia/sa1100_generic.c20
-rw-r--r--drivers/pcmcia/sa1111_generic.c2
-rw-r--r--drivers/pcmcia/socket_sysfs.c6
-rw-r--r--drivers/pcmcia/tcic.c20
-rw-r--r--drivers/pcmcia/vrc4171_card.c24
-rw-r--r--drivers/pcmcia/yenta_socket.c42
-rw-r--r--drivers/s390/char/tape_class.c1
-rw-r--r--drivers/s390/char/vmlogrdr.c1
-rw-r--r--drivers/s390/net/fsm.c2
-rw-r--r--drivers/s390/net/fsm.h2
-rw-r--r--drivers/s390/net/qeth.h45
-rw-r--r--drivers/s390/net/qeth_fs.h12
-rw-r--r--drivers/s390/net/qeth_main.c419
-rw-r--r--drivers/s390/net/qeth_mpc.c6
-rw-r--r--drivers/s390/net/qeth_mpc.h15
-rw-r--r--drivers/s390/net/qeth_sys.c28
-rw-r--r--drivers/scsi/Kconfig22
-rw-r--r--drivers/scsi/Makefile2
-rw-r--r--drivers/scsi/ahci.c41
-rw-r--r--drivers/scsi/ata_piix.c4
-rw-r--r--drivers/scsi/ch.c2
-rw-r--r--drivers/scsi/eata.c2
-rw-r--r--drivers/scsi/hosts.c3
-rw-r--r--drivers/scsi/ipr.c2
-rw-r--r--drivers/scsi/lasi700.c6
-rw-r--r--drivers/scsi/libata-core.c874
-rw-r--r--drivers/scsi/libata-scsi.c730
-rw-r--r--drivers/scsi/libata.h19
-rw-r--r--drivers/scsi/lpfc/lpfc_mem.c2
-rw-r--r--drivers/scsi/megaraid/megaraid_mbox.c10
-rw-r--r--drivers/scsi/osst.c8
-rw-r--r--drivers/scsi/pdc_adma.c739
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h4
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_rscn.c2
-rw-r--r--drivers/scsi/sata_mv.c1145
-rw-r--r--drivers/scsi/sata_nv.c8
-rw-r--r--drivers/scsi/sata_promise.c26
-rw-r--r--drivers/scsi/sata_qstor.c8
-rw-r--r--drivers/scsi/sata_sil.c6
-rw-r--r--drivers/scsi/sata_sil24.c875
-rw-r--r--drivers/scsi/sata_sis.c4
-rw-r--r--drivers/scsi/sata_svw.c4
-rw-r--r--drivers/scsi/sata_sx4.c29
-rw-r--r--drivers/scsi/sata_uli.c4
-rw-r--r--drivers/scsi/sata_via.c4
-rw-r--r--drivers/scsi/sata_vsc.c14
-rw-r--r--drivers/scsi/scsi.c8
-rw-r--r--drivers/scsi/scsi_ioctl.c3
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/sg.c12
-rw-r--r--drivers/scsi/st.c8
-rw-r--r--drivers/scsi/zalon.c4
-rw-r--r--drivers/serial/8250.c10
-rw-r--r--drivers/serial/8250_gsc.c6
-rw-r--r--drivers/serial/amba-pl010.c1
-rw-r--r--drivers/serial/amba-pl011.c1
-rw-r--r--drivers/serial/clps711x.c9
-rw-r--r--drivers/serial/imx.c8
-rw-r--r--drivers/serial/mpc52xx_uart.c8
-rw-r--r--drivers/serial/mux.c11
-rw-r--r--drivers/serial/pxa.c29
-rw-r--r--drivers/serial/s3c2410.c9
-rw-r--r--drivers/serial/sa1100.c8
-rw-r--r--drivers/serial/vr41xx_siu.c10
-rw-r--r--drivers/usb/Makefile2
-rw-r--r--drivers/usb/class/Kconfig23
-rw-r--r--drivers/usb/class/Makefile1
-rw-r--r--drivers/usb/class/bluetty.c1279
-rw-r--r--drivers/usb/class/cdc-acm.c5
-rw-r--r--drivers/usb/class/usblp.c3
-rw-r--r--drivers/usb/core/Kconfig11
-rw-r--r--drivers/usb/core/Makefile2
-rw-r--r--drivers/usb/core/buffer.c2
-rw-r--r--drivers/usb/core/config.c22
-rw-r--r--drivers/usb/core/devio.c192
-rw-r--r--drivers/usb/core/file.c23
-rw-r--r--drivers/usb/core/hcd-pci.c106
-rw-r--r--drivers/usb/core/hcd.c156
-rw-r--r--drivers/usb/core/hcd.h77
-rw-r--r--drivers/usb/core/hub.c426
-rw-r--r--drivers/usb/core/hub.h2
-rw-r--r--drivers/usb/core/inode.c44
-rw-r--r--drivers/usb/core/message.c90
-rw-r--r--drivers/usb/core/notify.c120
-rw-r--r--drivers/usb/core/sysfs.c319
-rw-r--r--drivers/usb/core/urb.c7
-rw-r--r--drivers/usb/core/usb.c167
-rw-r--r--drivers/usb/core/usb.h33
-rw-r--r--drivers/usb/gadget/dummy_hcd.c54
-rw-r--r--drivers/usb/gadget/ether.c23
-rw-r--r--drivers/usb/gadget/file_storage.c52
-rw-r--r--drivers/usb/gadget/goku_udc.c7
-rw-r--r--drivers/usb/gadget/lh7a40x_udc.c13
-rw-r--r--drivers/usb/gadget/net2280.c7
-rw-r--r--drivers/usb/gadget/omap_udc.c28
-rw-r--r--drivers/usb/gadget/pxa2xx_udc.c26
-rw-r--r--drivers/usb/gadget/pxa2xx_udc.h8
-rw-r--r--drivers/usb/gadget/serial.c16
-rw-r--r--drivers/usb/gadget/zero.c9
-rw-r--r--drivers/usb/host/Makefile5
-rw-r--r--drivers/usb/host/ehci-hcd.c545
-rw-r--r--drivers/usb/host/ehci-hub.c8
-rw-r--r--drivers/usb/host/ehci-mem.c6
-rw-r--r--drivers/usb/host/ehci-pci.c415
-rw-r--r--drivers/usb/host/ehci-q.c6
-rw-r--r--drivers/usb/host/ehci-sched.c14
-rw-r--r--drivers/usb/host/ehci.h1
-rw-r--r--drivers/usb/host/isp116x-hcd.c57
-rw-r--r--drivers/usb/host/isp116x.h1
-rw-r--r--drivers/usb/host/ohci-au1xxx.c6
-rw-r--r--drivers/usb/host/ohci-dbg.c4
-rw-r--r--drivers/usb/host/ohci-hcd.c6
-rw-r--r--drivers/usb/host/ohci-hub.c52
-rw-r--r--drivers/usb/host/ohci-lh7a404.c6
-rw-r--r--drivers/usb/host/ohci-mem.c5
-rw-r--r--drivers/usb/host/ohci-omap.c55
-rw-r--r--drivers/usb/host/ohci-pci.c47
-rw-r--r--drivers/usb/host/ohci-ppc-soc.c9
-rw-r--r--drivers/usb/host/ohci-pxa27x.c11
-rw-r--r--drivers/usb/host/ohci-s3c2410.c9
-rw-r--r--drivers/usb/host/ohci-sa1111.c7
-rw-r--r--drivers/usb/host/ohci.h1
-rw-r--r--drivers/usb/host/pci-quirks.c296
-rw-r--r--drivers/usb/host/sl811-hcd.c29
-rw-r--r--drivers/usb/host/uhci-debug.c5
-rw-r--r--drivers/usb/host/uhci-hcd.c178
-rw-r--r--drivers/usb/host/uhci-hcd.h98
-rw-r--r--drivers/usb/host/uhci-q.c64
-rw-r--r--drivers/usb/image/mdc800.c33
-rw-r--r--drivers/usb/image/microtek.c3
-rw-r--r--drivers/usb/input/acecad.c76
-rw-r--r--drivers/usb/input/aiptek.c209
-rw-r--r--drivers/usb/input/appletouch.c130
-rw-r--r--drivers/usb/input/ati_remote.c173
-rw-r--r--drivers/usb/input/hid-core.c56
-rw-r--r--drivers/usb/input/hid-input.c56
-rw-r--r--drivers/usb/input/hid-lgff.c17
-rw-r--r--drivers/usb/input/hid-tmff.c11
-rw-r--r--drivers/usb/input/hid.h2
-rw-r--r--drivers/usb/input/hiddev.c3
-rw-r--r--drivers/usb/input/itmtouch.c70
-rw-r--r--drivers/usb/input/kbtab.c82
-rw-r--r--drivers/usb/input/keyspan_remote.c210
-rw-r--r--drivers/usb/input/map_to_7segment.h2
-rw-r--r--drivers/usb/input/mtouchusb.c111
-rw-r--r--drivers/usb/input/pid.c12
-rw-r--r--drivers/usb/input/powermate.c136
-rw-r--r--drivers/usb/input/touchkitusb.c118
-rw-r--r--drivers/usb/input/usbkbd.c105
-rw-r--r--drivers/usb/input/usbmouse.c93
-rw-r--r--drivers/usb/input/wacom.c142
-rw-r--r--drivers/usb/input/xpad.c95
-rw-r--r--drivers/usb/input/yealink.c66
-rw-r--r--drivers/usb/media/dabusb.c3
-rw-r--r--drivers/usb/media/konicawc.c89
-rw-r--r--drivers/usb/misc/auerswald.c3
-rw-r--r--drivers/usb/misc/idmouse.c5
-rw-r--r--drivers/usb/misc/legousbtower.c5
-rw-r--r--drivers/usb/misc/rio500.c3
-rw-r--r--drivers/usb/misc/sisusbvga/sisusb.c7
-rw-r--r--drivers/usb/misc/usblcd.c9
-rw-r--r--drivers/usb/misc/usbtest.c11
-rw-r--r--drivers/usb/misc/uss720.c6
-rw-r--r--drivers/usb/mon/mon_main.c23
-rw-r--r--drivers/usb/net/Kconfig2
-rw-r--r--drivers/usb/net/asix.c2
-rw-r--r--drivers/usb/net/gl620a.c2
-rw-r--r--drivers/usb/net/kaweth.c8
-rw-r--r--drivers/usb/net/net1080.c2
-rw-r--r--drivers/usb/net/pegasus.c2
-rw-r--r--drivers/usb/net/pegasus.h2
-rw-r--r--drivers/usb/net/rndis_host.c2
-rw-r--r--drivers/usb/net/rtl8150.c1
-rw-r--r--drivers/usb/net/usbnet.c4
-rw-r--r--drivers/usb/net/usbnet.h2
-rw-r--r--drivers/usb/net/zaurus.c2
-rw-r--r--drivers/usb/net/zd1201.c2
-rw-r--r--drivers/usb/serial/ChangeLog.old730
-rw-r--r--drivers/usb/serial/Kconfig9
-rw-r--r--drivers/usb/serial/Makefile1
-rw-r--r--drivers/usb/serial/airprime.c8
-rw-r--r--drivers/usb/serial/belkin_sa.c10
-rw-r--r--drivers/usb/serial/bus.c37
-rw-r--r--drivers/usb/serial/cp2101.c10
-rw-r--r--drivers/usb/serial/cyberjack.c10
-rw-r--r--drivers/usb/serial/cypress_m8.c20
-rw-r--r--drivers/usb/serial/digi_acceleport.c20
-rw-r--r--drivers/usb/serial/empeg.c8
-rw-r--r--drivers/usb/serial/ftdi_sio.c16
-rw-r--r--drivers/usb/serial/ftdi_sio.h16
-rw-r--r--drivers/usb/serial/garmin_gps.c15
-rw-r--r--drivers/usb/serial/generic.c9
-rw-r--r--drivers/usb/serial/hp4x.c10
-rw-r--r--drivers/usb/serial/io_edgeport.c219
-rw-r--r--drivers/usb/serial/io_tables.h30
-rw-r--r--drivers/usb/serial/io_ti.c20
-rw-r--r--drivers/usb/serial/ipaq.c247
-rw-r--r--drivers/usb/serial/ipw.c10
-rw-r--r--drivers/usb/serial/ir-usb.c9
-rw-r--r--drivers/usb/serial/keyspan.h40
-rw-r--r--drivers/usb/serial/keyspan_pda.c30
-rw-r--r--drivers/usb/serial/kl5kusb105.c10
-rw-r--r--drivers/usb/serial/kobil_sct.c9
-rw-r--r--drivers/usb/serial/mct_u232.c10
-rw-r--r--drivers/usb/serial/nokia_dku2.c142
-rw-r--r--drivers/usb/serial/omninet.c10
-rw-r--r--drivers/usb/serial/option.c10
-rw-r--r--drivers/usb/serial/pl2303.c35
-rw-r--r--drivers/usb/serial/safe_serial.c10
-rw-r--r--drivers/usb/serial/ti_usb_3410_5052.c18
-rw-r--r--drivers/usb/serial/usb-serial.c378
-rw-r--r--drivers/usb/serial/usb-serial.h81
-rw-r--r--drivers/usb/serial/visor.c170
-rw-r--r--drivers/usb/serial/whiteheat.c42
-rw-r--r--drivers/usb/storage/Kconfig3
-rw-r--r--drivers/usb/storage/onetouch.c99
-rw-r--r--drivers/usb/storage/shuttle_usbat.c314
-rw-r--r--drivers/usb/storage/shuttle_usbat.h66
-rw-r--r--drivers/usb/storage/transport.c6
-rw-r--r--drivers/usb/storage/transport.h2
-rw-r--r--drivers/usb/storage/unusual_devs.h44
-rw-r--r--drivers/usb/storage/usb.c163
-rw-r--r--drivers/usb/storage/usb.h5
-rw-r--r--drivers/usb/usb-skeleton.c3
-rw-r--r--drivers/video/amba-clcd.c1
-rw-r--r--drivers/video/backlight/corgi_bl.c10
-rw-r--r--drivers/video/cirrusfb.c24
-rw-r--r--drivers/video/console/Kconfig8
-rw-r--r--drivers/video/console/sticore.c126
-rw-r--r--drivers/video/fbmem.c2
-rw-r--r--drivers/video/imxfb.c10
-rw-r--r--drivers/video/pxafb.c10
-rw-r--r--drivers/video/s1d13xxxfb.c7
-rw-r--r--drivers/video/s3c2410fb.c27
-rw-r--r--drivers/video/sa1100fb.c10
-rw-r--r--drivers/video/w100fb.c46
721 files changed, 26486 insertions, 24502 deletions
diff --git a/drivers/Makefile b/drivers/Makefile
index 1a109a6dd953..65670be6ff1a 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -5,7 +5,7 @@
# Rewritten to use lists instead of if-statements.
#
-obj-$(CONFIG_PCI) += pci/
+obj-$(CONFIG_PCI) += pci/ usb/
obj-$(CONFIG_PARISC) += parisc/
obj-y += video/
obj-$(CONFIG_ACPI) += acpi/
diff --git a/drivers/base/attribute_container.c b/drivers/base/attribute_container.c
index 6b2eb6f39b4d..2a7d7ae83e1e 100644
--- a/drivers/base/attribute_container.c
+++ b/drivers/base/attribute_container.c
@@ -19,6 +19,8 @@
#include <linux/list.h>
#include <linux/module.h>
+#include "base.h"
+
/* This is a private structure used to tie the classdev and the
* container .. it should never be visible outside this file */
struct internal_container {
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 783752b68a9a..e3b548d46cff 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -1,3 +1,15 @@
+
+/* initialisation functions */
+
+extern int devices_init(void);
+extern int buses_init(void);
+extern int classes_init(void);
+extern int firmware_init(void);
+extern int platform_bus_init(void);
+extern int system_bus_init(void);
+extern int cpu_dev_init(void);
+extern int attribute_container_init(void);
+
extern int bus_add_device(struct device * dev);
extern void bus_remove_device(struct device * dev);
diff --git a/drivers/base/class.c b/drivers/base/class.c
index ce23dc8c18c5..c3e569730afe 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -99,7 +99,8 @@ struct class * class_get(struct class * cls)
void class_put(struct class * cls)
{
- subsys_put(&cls->subsys);
+ if (cls)
+ subsys_put(&cls->subsys);
}
@@ -165,14 +166,25 @@ void class_unregister(struct class * cls)
static void class_create_release(struct class *cls)
{
+ pr_debug("%s called for %s\n", __FUNCTION__, cls->name);
kfree(cls);
}
static void class_device_create_release(struct class_device *class_dev)
{
+ pr_debug("%s called for %s\n", __FUNCTION__, class_dev->class_id);
kfree(class_dev);
}
+/* needed to allow these devices to have parent class devices */
+static int class_device_create_hotplug(struct class_device *class_dev,
+ char **envp, int num_envp,
+ char *buffer, int buffer_size)
+{
+ pr_debug("%s called for %s\n", __FUNCTION__, class_dev->class_id);
+ return 0;
+}
+
/**
* class_create - create a struct class structure
* @owner: pointer to the module that is to "own" this struct class
@@ -301,10 +313,12 @@ static void class_dev_release(struct kobject * kobj)
kfree(cd->devt_attr);
cd->devt_attr = NULL;
- if (cls->release)
+ if (cd->release)
+ cd->release(cd);
+ else if (cls->release)
cls->release(cd);
else {
- printk(KERN_ERR "Device class '%s' does not have a release() function, "
+ printk(KERN_ERR "Class Device '%s' does not have a release() function, "
"it is broken and must be fixed.\n",
cd->class_id);
WARN_ON(1);
@@ -382,14 +396,18 @@ static int class_hotplug(struct kset *kset, struct kobject *kobj, char **envp,
buffer = &buffer[length];
buffer_size -= length;
- if (class_dev->class->hotplug) {
- /* have the bus specific function add its stuff */
- retval = class_dev->class->hotplug (class_dev, envp, num_envp,
- buffer, buffer_size);
- if (retval) {
- pr_debug ("%s - hotplug() returned %d\n",
- __FUNCTION__, retval);
- }
+ if (class_dev->hotplug) {
+ /* have the class device specific function add its stuff */
+ retval = class_dev->hotplug(class_dev, envp, num_envp,
+ buffer, buffer_size);
+ if (retval)
+ pr_debug("class_dev->hotplug() returned %d\n", retval);
+ } else if (class_dev->class->hotplug) {
+ /* have the class specific function add its stuff */
+ retval = class_dev->class->hotplug(class_dev, envp, num_envp,
+ buffer, buffer_size);
+ if (retval)
+ pr_debug("class->hotplug() returned %d\n", retval);
}
return retval;
@@ -442,6 +460,13 @@ static ssize_t show_dev(struct class_device *class_dev, char *buf)
return print_dev_t(buf, class_dev->devt);
}
+static ssize_t store_uevent(struct class_device *class_dev,
+ const char *buf, size_t count)
+{
+ kobject_hotplug(&class_dev->kobj, KOBJ_ADD);
+ return count;
+}
+
void class_device_initialize(struct class_device *class_dev)
{
kobj_set_kset_s(class_dev, class_obj_subsys);
@@ -469,34 +494,45 @@ static char *make_class_name(struct class_device *class_dev)
int class_device_add(struct class_device *class_dev)
{
- struct class * parent = NULL;
- struct class_interface * class_intf;
+ struct class *parent_class = NULL;
+ struct class_device *parent_class_dev = NULL;
+ struct class_interface *class_intf;
char *class_name = NULL;
- int error;
+ int error = -EINVAL;
class_dev = class_device_get(class_dev);
if (!class_dev)
return -EINVAL;
- if (!strlen(class_dev->class_id)) {
- error = -EINVAL;
+ if (!strlen(class_dev->class_id))
goto register_done;
- }
- parent = class_get(class_dev->class);
+ parent_class = class_get(class_dev->class);
+ if (!parent_class)
+ goto register_done;
+ parent_class_dev = class_device_get(class_dev->parent);
pr_debug("CLASS: registering class device: ID = '%s'\n",
class_dev->class_id);
/* first, register with generic layer. */
kobject_set_name(&class_dev->kobj, "%s", class_dev->class_id);
- if (parent)
- class_dev->kobj.parent = &parent->subsys.kset.kobj;
+ if (parent_class_dev)
+ class_dev->kobj.parent = &parent_class_dev->kobj;
+ else
+ class_dev->kobj.parent = &parent_class->subsys.kset.kobj;
- if ((error = kobject_add(&class_dev->kobj)))
+ error = kobject_add(&class_dev->kobj);
+ if (error)
goto register_done;
/* add the needed attributes to this device */
+ class_dev->uevent_attr.attr.name = "uevent";
+ class_dev->uevent_attr.attr.mode = S_IWUSR;
+ class_dev->uevent_attr.attr.owner = parent_class->owner;
+ class_dev->uevent_attr.store = store_uevent;
+ class_device_create_file(class_dev, &class_dev->uevent_attr);
+
if (MAJOR(class_dev->devt)) {
struct class_device_attribute *attr;
attr = kzalloc(sizeof(*attr), GFP_KERNEL);
@@ -505,12 +541,10 @@ int class_device_add(struct class_device *class_dev)
kobject_del(&class_dev->kobj);
goto register_done;
}
-
attr->attr.name = "dev";
attr->attr.mode = S_IRUGO;
- attr->attr.owner = parent->owner;
+ attr->attr.owner = parent_class->owner;
attr->show = show_dev;
- attr->store = NULL;
class_device_create_file(class_dev, attr);
class_dev->devt_attr = attr;
}
@@ -524,20 +558,23 @@ int class_device_add(struct class_device *class_dev)
class_name);
}
+ kobject_hotplug(&class_dev->kobj, KOBJ_ADD);
+
/* notify any interfaces this device is now here */
- if (parent) {
- down(&parent->sem);
- list_add_tail(&class_dev->node, &parent->children);
- list_for_each_entry(class_intf, &parent->interfaces, node)
+ if (parent_class) {
+ down(&parent_class->sem);
+ list_add_tail(&class_dev->node, &parent_class->children);
+ list_for_each_entry(class_intf, &parent_class->interfaces, node)
if (class_intf->add)
- class_intf->add(class_dev);
- up(&parent->sem);
+ class_intf->add(class_dev, class_intf);
+ up(&parent_class->sem);
}
- kobject_hotplug(&class_dev->kobj, KOBJ_ADD);
register_done:
- if (error && parent)
- class_put(parent);
+ if (error) {
+ class_put(parent_class);
+ class_device_put(parent_class_dev);
+ }
class_device_put(class_dev);
kfree(class_name);
return error;
@@ -552,21 +589,28 @@ int class_device_register(struct class_device *class_dev)
/**
* class_device_create - creates a class device and registers it with sysfs
* @cs: pointer to the struct class that this device should be registered to.
+ * @parent: pointer to the parent struct class_device of this new device, if any.
* @dev: the dev_t for the char device to be added.
* @device: a pointer to a struct device that is assiociated with this class device.
* @fmt: string for the class device's name
*
* This function can be used by char device classes. A struct
* class_device will be created in sysfs, registered to the specified
- * class. A "dev" file will be created, showing the dev_t for the
- * device. The pointer to the struct class_device will be returned from
- * the call. Any further sysfs files that might be required can be
- * created using this pointer.
+ * class.
+ * A "dev" file will be created, showing the dev_t for the device, if
+ * the dev_t is not 0,0.
+ * If a pointer to a parent struct class_device is passed in, the newly
+ * created struct class_device will be a child of that device in sysfs.
+ * The pointer to the struct class_device will be returned from the
+ * call. Any further sysfs files that might be required can be created
+ * using this pointer.
*
* Note: the struct class passed to this function must have previously
* been created with a call to class_create().
*/
-struct class_device *class_device_create(struct class *cls, dev_t devt,
+struct class_device *class_device_create(struct class *cls,
+ struct class_device *parent,
+ dev_t devt,
struct device *device, char *fmt, ...)
{
va_list args;
@@ -585,6 +629,9 @@ struct class_device *class_device_create(struct class *cls, dev_t devt,
class_dev->devt = devt;
class_dev->dev = device;
class_dev->class = cls;
+ class_dev->parent = parent;
+ class_dev->release = class_device_create_release;
+ class_dev->hotplug = class_device_create_hotplug;
va_start(args, fmt);
vsnprintf(class_dev->class_id, BUS_ID_SIZE, fmt, args);
@@ -602,17 +649,18 @@ error:
void class_device_del(struct class_device *class_dev)
{
- struct class * parent = class_dev->class;
- struct class_interface * class_intf;
+ struct class *parent_class = class_dev->class;
+ struct class_device *parent_device = class_dev->parent;
+ struct class_interface *class_intf;
char *class_name = NULL;
- if (parent) {
- down(&parent->sem);
+ if (parent_class) {
+ down(&parent_class->sem);
list_del_init(&class_dev->node);
- list_for_each_entry(class_intf, &parent->interfaces, node)
+ list_for_each_entry(class_intf, &parent_class->interfaces, node)
if (class_intf->remove)
- class_intf->remove(class_dev);
- up(&parent->sem);
+ class_intf->remove(class_dev, class_intf);
+ up(&parent_class->sem);
}
if (class_dev->dev) {
@@ -620,6 +668,7 @@ void class_device_del(struct class_device *class_dev)
sysfs_remove_link(&class_dev->kobj, "device");
sysfs_remove_link(&class_dev->dev->kobj, class_name);
}
+ class_device_remove_file(class_dev, &class_dev->uevent_attr);
if (class_dev->devt_attr)
class_device_remove_file(class_dev, class_dev->devt_attr);
class_device_remove_attrs(class_dev);
@@ -627,8 +676,8 @@ void class_device_del(struct class_device *class_dev)
kobject_hotplug(&class_dev->kobj, KOBJ_REMOVE);
kobject_del(&class_dev->kobj);
- if (parent)
- class_put(parent);
+ class_device_put(parent_device);
+ class_put(parent_class);
kfree(class_name);
}
@@ -708,7 +757,8 @@ struct class_device * class_device_get(struct class_device *class_dev)
void class_device_put(struct class_device *class_dev)
{
- kobject_put(&class_dev->kobj);
+ if (class_dev)
+ kobject_put(&class_dev->kobj);
}
@@ -728,7 +778,7 @@ int class_interface_register(struct class_interface *class_intf)
list_add_tail(&class_intf->node, &parent->interfaces);
if (class_intf->add) {
list_for_each_entry(class_dev, &parent->children, node)
- class_intf->add(class_dev);
+ class_intf->add(class_dev, class_intf);
}
up(&parent->sem);
@@ -747,7 +797,7 @@ void class_interface_unregister(struct class_interface *class_intf)
list_del_init(&class_intf->node);
if (class_intf->remove) {
list_for_each_entry(class_dev, &parent->children, node)
- class_intf->remove(class_dev);
+ class_intf->remove(class_dev, class_intf);
}
up(&parent->sem);
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 6ab73f5c799a..8615b42b517a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -154,6 +154,13 @@ static struct kset_hotplug_ops device_hotplug_ops = {
.hotplug = dev_hotplug,
};
+static ssize_t store_uevent(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ kobject_hotplug(&dev->kobj, KOBJ_ADD);
+ return count;
+}
+
/**
* device_subsys - structure to be registered with kobject core.
*/
@@ -225,6 +232,7 @@ void device_initialize(struct device *dev)
klist_children_put);
INIT_LIST_HEAD(&dev->dma_pools);
init_MUTEX(&dev->sem);
+ device_init_wakeup(dev, 0);
}
/**
@@ -258,6 +266,14 @@ int device_add(struct device *dev)
if ((error = kobject_add(&dev->kobj)))
goto Error;
+
+ dev->uevent_attr.attr.name = "uevent";
+ dev->uevent_attr.attr.mode = S_IWUSR;
+ if (dev->driver)
+ dev->uevent_attr.attr.owner = dev->driver->owner;
+ dev->uevent_attr.store = store_uevent;
+ device_create_file(dev, &dev->uevent_attr);
+
kobject_hotplug(&dev->kobj, KOBJ_ADD);
if ((error = device_pm_add(dev)))
goto PMError;
@@ -349,6 +365,7 @@ void device_del(struct device * dev)
if (parent)
klist_del(&dev->knode_parent);
+ device_remove_file(dev, &dev->uevent_attr);
/* Notify the platform of the removal, in case they
* need to do anything...
@@ -390,11 +407,11 @@ static struct device * next_device(struct klist_iter * i)
/**
* device_for_each_child - device child iterator.
- * @dev: parent struct device.
+ * @parent: parent struct device.
* @data: data for the callback.
* @fn: function to be called for each device.
*
- * Iterate over @dev's child devices, and call @fn for each,
+ * Iterate over @parent's child devices, and call @fn for each,
* passing it @data.
*
* We check the return of @fn each time. If it returns anything
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index b79badd0f158..081c927b1ed8 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -9,6 +9,7 @@
#include <linux/topology.h>
#include <linux/device.h>
+#include "base.h"
struct sysdev_class cpu_sysdev_class = {
set_kset_name("cpu"),
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index ef3fe513e398..161f3a390d90 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -28,6 +28,7 @@ static struct device * next_device(struct klist_iter * i)
/**
* driver_for_each_device - Iterator for devices bound to a driver.
* @drv: Driver we're iterating.
+ * @start: Device to begin with
* @data: Data to pass to the callback.
* @fn: Function to call for each device.
*
@@ -57,7 +58,7 @@ EXPORT_SYMBOL_GPL(driver_for_each_device);
/**
* driver_find_device - device iterator for locating a particular device.
- * @driver: The device's driver
+ * @drv: The device's driver
* @start: Device to begin with
* @data: Data to pass to match function
* @match: Callback function to check device
diff --git a/drivers/base/firmware.c b/drivers/base/firmware.c
index 88ab044932f2..cb1b98ae0d58 100644
--- a/drivers/base/firmware.c
+++ b/drivers/base/firmware.c
@@ -11,6 +11,9 @@
#include <linux/kobject.h>
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/device.h>
+
+#include "base.h"
static decl_subsys(firmware, NULL, NULL);
diff --git a/drivers/base/init.c b/drivers/base/init.c
index a76ae5a221f3..84e604e25c4f 100644
--- a/drivers/base/init.c
+++ b/drivers/base/init.c
@@ -10,14 +10,8 @@
#include <linux/device.h>
#include <linux/init.h>
-extern int devices_init(void);
-extern int buses_init(void);
-extern int classes_init(void);
-extern int firmware_init(void);
-extern int platform_bus_init(void);
-extern int system_bus_init(void);
-extern int cpu_dev_init(void);
-extern int attribute_container_init(void);
+#include "base.h"
+
/**
* driver_init - initialize driver model.
*
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 361e204209eb..75ce8711bca5 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -17,6 +17,8 @@
#include <linux/bootmem.h>
#include <linux/err.h>
+#include "base.h"
+
struct device platform_bus = {
.bus_id = "platform",
};
@@ -279,13 +281,9 @@ static int platform_suspend(struct device * dev, pm_message_t state)
{
int ret = 0;
- if (dev->driver && dev->driver->suspend) {
- ret = dev->driver->suspend(dev, state, SUSPEND_DISABLE);
- if (ret == 0)
- ret = dev->driver->suspend(dev, state, SUSPEND_SAVE_STATE);
- if (ret == 0)
- ret = dev->driver->suspend(dev, state, SUSPEND_POWER_DOWN);
- }
+ if (dev->driver && dev->driver->suspend)
+ ret = dev->driver->suspend(dev, state);
+
return ret;
}
@@ -293,13 +291,9 @@ static int platform_resume(struct device * dev)
{
int ret = 0;
- if (dev->driver && dev->driver->resume) {
- ret = dev->driver->resume(dev, RESUME_POWER_ON);
- if (ret == 0)
- ret = dev->driver->resume(dev, RESUME_RESTORE_STATE);
- if (ret == 0)
- ret = dev->driver->resume(dev, RESUME_ENABLE);
- }
+ if (dev->driver && dev->driver->resume)
+ ret = dev->driver->resume(dev);
+
return ret;
}
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 15e6a8f951f1..0d2e101e4f15 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -30,23 +30,6 @@ LIST_HEAD(dpm_off_irq);
DECLARE_MUTEX(dpm_sem);
DECLARE_MUTEX(dpm_list_sem);
-/*
- * PM Reference Counting.
- */
-
-static inline void device_pm_hold(struct device * dev)
-{
- if (dev)
- atomic_inc(&dev->power.pm_users);
-}
-
-static inline void device_pm_release(struct device * dev)
-{
- if (dev)
- atomic_dec(&dev->power.pm_users);
-}
-
-
/**
* device_pm_set_parent - Specify power dependency.
* @dev: Device who needs power.
@@ -62,10 +45,8 @@ static inline void device_pm_release(struct device * dev)
void device_pm_set_parent(struct device * dev, struct device * parent)
{
- struct device * old_parent = dev->power.pm_parent;
- device_pm_release(old_parent);
- dev->power.pm_parent = parent;
- device_pm_hold(parent);
+ put_device(dev->power.pm_parent);
+ dev->power.pm_parent = get_device(parent);
}
EXPORT_SYMBOL_GPL(device_pm_set_parent);
@@ -75,7 +56,6 @@ int device_pm_add(struct device * dev)
pr_debug("PM: Adding info for %s:%s\n",
dev->bus ? dev->bus->name : "No Bus", dev->kobj.name);
- atomic_set(&dev->power.pm_users, 0);
down(&dpm_list_sem);
list_add_tail(&dev->power.entry, &dpm_active);
device_pm_set_parent(dev, dev->parent);
@@ -91,7 +71,7 @@ void device_pm_remove(struct device * dev)
dev->bus ? dev->bus->name : "No Bus", dev->kobj.name);
down(&dpm_list_sem);
dpm_sysfs_remove(dev);
- device_pm_release(dev->power.pm_parent);
+ put_device(dev->power.pm_parent);
list_del_init(&dev->power.entry);
up(&dpm_list_sem);
}
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 2e700d795cf1..fb3d35a9e101 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -67,9 +67,6 @@ extern int suspend_device(struct device *, pm_message_t);
* runtime.c
*/
-extern int dpm_runtime_suspend(struct device *, pm_message_t);
-extern void dpm_runtime_resume(struct device *);
-
#else /* CONFIG_PM */
@@ -82,14 +79,4 @@ static inline void device_pm_remove(struct device * dev)
}
-static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state)
-{
- return 0;
-}
-
-static inline void dpm_runtime_resume(struct device * dev)
-{
-
-}
-
#endif
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index e8f0519f5dfa..adbc3148c039 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -36,6 +36,7 @@ void dpm_runtime_resume(struct device * dev)
runtime_resume(dev);
up(&dpm_sem);
}
+EXPORT_SYMBOL(dpm_runtime_resume);
/**
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index 8d04fb435c17..89c57875f3e5 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -48,8 +48,81 @@ static ssize_t state_store(struct device * dev, struct device_attribute *attr, c
static DEVICE_ATTR(state, 0644, state_show, state_store);
+/*
+ * wakeup - Report/change current wakeup option for device
+ *
+ * Some devices support "wakeup" events, which are hardware signals
+ * used to activate devices from suspended or low power states. Such
+ * devices have one of three values for the sysfs power/wakeup file:
+ *
+ * + "enabled\n" to issue the events;
+ * + "disabled\n" not to do so; or
+ * + "\n" for temporary or permanent inability to issue wakeup.
+ *
+ * (For example, unconfigured USB devices can't issue wakeups.)
+ *
+ * Familiar examples of devices that can issue wakeup events include
+ * keyboards and mice (both PS2 and USB styles), power buttons, modems,
+ * "Wake-On-LAN" Ethernet links, GPIO lines, and more. Some events
+ * will wake the entire system from a suspend state; others may just
+ * wake up the device (if the system as a whole is already active).
+ * Some wakeup events use normal IRQ lines; other use special out
+ * of band signaling.
+ *
+ * It is the responsibility of device drivers to enable (or disable)
+ * wakeup signaling as part of changing device power states, respecting
+ * the policy choices provided through the driver model.
+ *
+ * Devices may not be able to generate wakeup events from all power
+ * states. Also, the events may be ignored in some configurations;
+ * for example, they might need help from other devices that aren't
+ * active, or which may have wakeup disabled. Some drivers rely on
+ * wakeup events internally (unless they are disabled), keeping
+ * their hardware in low power modes whenever they're unused. This
+ * saves runtime power, without requiring system-wide sleep states.
+ */
+
+static const char enabled[] = "enabled";
+static const char disabled[] = "disabled";
+
+static ssize_t
+wake_show(struct device * dev, struct device_attribute *attr, char * buf)
+{
+ return sprintf(buf, "%s\n", device_can_wakeup(dev)
+ ? (device_may_wakeup(dev) ? enabled : disabled)
+ : "");
+}
+
+static ssize_t
+wake_store(struct device * dev, struct device_attribute *attr,
+ const char * buf, size_t n)
+{
+ char *cp;
+ int len = n;
+
+ if (!device_can_wakeup(dev))
+ return -EINVAL;
+
+ cp = memchr(buf, '\n', n);
+ if (cp)
+ len = cp - buf;
+ if (len == sizeof enabled - 1
+ && strncmp(buf, enabled, sizeof enabled - 1) == 0)
+ device_set_wakeup_enable(dev, 1);
+ else if (len == sizeof disabled - 1
+ && strncmp(buf, disabled, sizeof disabled - 1) == 0)
+ device_set_wakeup_enable(dev, 0);
+ else
+ return -EINVAL;
+ return n;
+}
+
+static DEVICE_ATTR(wakeup, 0644, wake_show, wake_store);
+
+
static struct attribute * power_attrs[] = {
&dev_attr_state.attr,
+ &dev_attr_wakeup.attr,
NULL,
};
static struct attribute_group pm_attr_group = {
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
index 0e9e586e9ba3..881c48d941b7 100644
--- a/drivers/block/aoe/aoe.h
+++ b/drivers/block/aoe/aoe.h
@@ -1,5 +1,5 @@
/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
-#define VERSION "12"
+#define VERSION "14"
#define AOE_MAJOR 152
#define DEVICE_NAME "aoe"
diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c
index 45a243096187..41ae0ede619a 100644
--- a/drivers/block/aoe/aoechr.c
+++ b/drivers/block/aoe/aoechr.c
@@ -224,7 +224,7 @@ aoechr_init(void)
return PTR_ERR(aoe_class);
}
for (i = 0; i < ARRAY_SIZE(chardevs); ++i)
- class_device_create(aoe_class,
+ class_device_create(aoe_class, NULL,
MKDEV(AOE_MAJOR, chardevs[i].minor),
NULL, chardevs[i].name);
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index b5be4b7d7b5b..5c9c7c1a3d4c 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -8,6 +8,7 @@
#include <linux/blkdev.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
+#include <asm/unaligned.h>
#include "aoe.h"
#define TIMERTICK (HZ / 10)
@@ -311,16 +312,16 @@ ataid_complete(struct aoedev *d, unsigned char *id)
u16 n;
/* word 83: command set supported */
- n = le16_to_cpup((__le16 *) &id[83<<1]);
+ n = le16_to_cpu(get_unaligned((__le16 *) &id[83<<1]));
/* word 86: command set/feature enabled */
- n |= le16_to_cpup((__le16 *) &id[86<<1]);
+ n |= le16_to_cpu(get_unaligned((__le16 *) &id[86<<1]));
if (n & (1<<10)) { /* bit 10: LBA 48 */
d->flags |= DEVFL_EXT;
/* word 100: number lba48 sectors */
- ssize = le64_to_cpup((__le64 *) &id[100<<1]);
+ ssize = le64_to_cpu(get_unaligned((__le64 *) &id[100<<1]));
/* set as in ide-disk.c:init_idedisk_capacity */
d->geo.cylinders = ssize;
@@ -331,12 +332,12 @@ ataid_complete(struct aoedev *d, unsigned char *id)
d->flags &= ~DEVFL_EXT;
/* number lba28 sectors */
- ssize = le32_to_cpup((__le32 *) &id[60<<1]);
+ ssize = le32_to_cpu(get_unaligned((__le32 *) &id[60<<1]));
/* NOTE: obsolete in ATA 6 */
- d->geo.cylinders = le16_to_cpup((__le16 *) &id[54<<1]);
- d->geo.heads = le16_to_cpup((__le16 *) &id[55<<1]);
- d->geo.sectors = le16_to_cpup((__le16 *) &id[56<<1]);
+ d->geo.cylinders = le16_to_cpu(get_unaligned((__le16 *) &id[54<<1]));
+ d->geo.heads = le16_to_cpu(get_unaligned((__le16 *) &id[55<<1]));
+ d->geo.sectors = le16_to_cpu(get_unaligned((__le16 *) &id[56<<1]));
}
d->ssize = ssize;
d->geo.start = 0;
diff --git a/drivers/block/as-iosched.c b/drivers/block/as-iosched.c
index 95c0a3690b0f..4081c36c8c19 100644
--- a/drivers/block/as-iosched.c
+++ b/drivers/block/as-iosched.c
@@ -98,7 +98,6 @@ struct as_data {
struct as_rq *next_arq[2]; /* next in sort order */
sector_t last_sector[2]; /* last REQ_SYNC & REQ_ASYNC sectors */
- struct list_head *dispatch; /* driver dispatch queue */
struct list_head *hash; /* request hash */
unsigned long exit_prob; /* probability a task will exit while
@@ -239,6 +238,25 @@ static struct io_context *as_get_io_context(void)
return ioc;
}
+static void as_put_io_context(struct as_rq *arq)
+{
+ struct as_io_context *aic;
+
+ if (unlikely(!arq->io_context))
+ return;
+
+ aic = arq->io_context->aic;
+
+ if (arq->is_sync == REQ_SYNC && aic) {
+ spin_lock(&aic->lock);
+ set_bit(AS_TASK_IORUNNING, &aic->state);
+ aic->last_end_request = jiffies;
+ spin_unlock(&aic->lock);
+ }
+
+ put_io_context(arq->io_context);
+}
+
/*
* the back merge hash support functions
*/
@@ -261,14 +279,6 @@ static inline void as_del_arq_hash(struct as_rq *arq)
__as_del_arq_hash(arq);
}
-static void as_remove_merge_hints(request_queue_t *q, struct as_rq *arq)
-{
- as_del_arq_hash(arq);
-
- if (q->last_merge == arq->request)
- q->last_merge = NULL;
-}
-
static void as_add_arq_hash(struct as_data *ad, struct as_rq *arq)
{
struct request *rq = arq->request;
@@ -312,7 +322,7 @@ static struct request *as_find_arq_hash(struct as_data *ad, sector_t offset)
BUG_ON(!arq->on_hash);
if (!rq_mergeable(__rq)) {
- as_remove_merge_hints(ad->q, arq);
+ as_del_arq_hash(arq);
continue;
}
@@ -950,23 +960,12 @@ static void as_completed_request(request_queue_t *q, struct request *rq)
WARN_ON(!list_empty(&rq->queuelist));
- if (arq->state == AS_RQ_PRESCHED) {
- WARN_ON(arq->io_context);
- goto out;
- }
-
- if (arq->state == AS_RQ_MERGED)
- goto out_ioc;
-
if (arq->state != AS_RQ_REMOVED) {
printk("arq->state %d\n", arq->state);
WARN_ON(1);
goto out;
}
- if (!blk_fs_request(rq))
- goto out;
-
if (ad->changed_batch && ad->nr_dispatched == 1) {
kblockd_schedule_work(&ad->antic_work);
ad->changed_batch = 0;
@@ -1001,21 +1000,7 @@ static void as_completed_request(request_queue_t *q, struct request *rq)
}
}
-out_ioc:
- if (!arq->io_context)
- goto out;
-
- if (arq->is_sync == REQ_SYNC) {
- struct as_io_context *aic = arq->io_context->aic;
- if (aic) {
- spin_lock(&aic->lock);
- set_bit(AS_TASK_IORUNNING, &aic->state);
- aic->last_end_request = jiffies;
- spin_unlock(&aic->lock);
- }
- }
-
- put_io_context(arq->io_context);
+ as_put_io_context(arq);
out:
arq->state = AS_RQ_POSTSCHED;
}
@@ -1047,73 +1032,11 @@ static void as_remove_queued_request(request_queue_t *q, struct request *rq)
ad->next_arq[data_dir] = as_find_next_arq(ad, arq);
list_del_init(&arq->fifo);
- as_remove_merge_hints(q, arq);
+ as_del_arq_hash(arq);
as_del_arq_rb(ad, arq);
}
/*
- * as_remove_dispatched_request is called to remove a request which has gone
- * to the dispatch list.
- */
-static void as_remove_dispatched_request(request_queue_t *q, struct request *rq)
-{
- struct as_rq *arq = RQ_DATA(rq);
- struct as_io_context *aic;
-
- if (!arq) {
- WARN_ON(1);
- return;
- }
-
- WARN_ON(arq->state != AS_RQ_DISPATCHED);
- WARN_ON(ON_RB(&arq->rb_node));
- if (arq->io_context && arq->io_context->aic) {
- aic = arq->io_context->aic;
- if (aic) {
- WARN_ON(!atomic_read(&aic->nr_dispatched));
- atomic_dec(&aic->nr_dispatched);
- }
- }
-}
-
-/*
- * as_remove_request is called when a driver has finished with a request.
- * This should be only called for dispatched requests, but for some reason
- * a POWER4 box running hwscan it does not.
- */
-static void as_remove_request(request_queue_t *q, struct request *rq)
-{
- struct as_rq *arq = RQ_DATA(rq);
-
- if (unlikely(arq->state == AS_RQ_NEW))
- goto out;
-
- if (ON_RB(&arq->rb_node)) {
- if (arq->state != AS_RQ_QUEUED) {
- printk("arq->state %d\n", arq->state);
- WARN_ON(1);
- goto out;
- }
- /*
- * We'll lose the aliased request(s) here. I don't think this
- * will ever happen, but if it does, hopefully someone will
- * report it.
- */
- WARN_ON(!list_empty(&rq->queuelist));
- as_remove_queued_request(q, rq);
- } else {
- if (arq->state != AS_RQ_DISPATCHED) {
- printk("arq->state %d\n", arq->state);
- WARN_ON(1);
- goto out;
- }
- as_remove_dispatched_request(q, rq);
- }
-out:
- arq->state = AS_RQ_REMOVED;
-}
-
-/*
* as_fifo_expired returns 0 if there are no expired reads on the fifo,
* 1 otherwise. It is ratelimited so that we only perform the check once per
* `fifo_expire' interval. Otherwise a large number of expired requests
@@ -1165,7 +1088,6 @@ static inline int as_batch_expired(struct as_data *ad)
static void as_move_to_dispatch(struct as_data *ad, struct as_rq *arq)
{
struct request *rq = arq->request;
- struct list_head *insert;
const int data_dir = arq->is_sync;
BUG_ON(!ON_RB(&arq->rb_node));
@@ -1198,13 +1120,13 @@ static void as_move_to_dispatch(struct as_data *ad, struct as_rq *arq)
/*
* take it off the sort and fifo list, add to dispatch queue
*/
- insert = ad->dispatch->prev;
-
while (!list_empty(&rq->queuelist)) {
struct request *__rq = list_entry_rq(rq->queuelist.next);
struct as_rq *__arq = RQ_DATA(__rq);
- list_move_tail(&__rq->queuelist, ad->dispatch);
+ list_del(&__rq->queuelist);
+
+ elv_dispatch_add_tail(ad->q, __rq);
if (__arq->io_context && __arq->io_context->aic)
atomic_inc(&__arq->io_context->aic->nr_dispatched);
@@ -1218,7 +1140,8 @@ static void as_move_to_dispatch(struct as_data *ad, struct as_rq *arq)
as_remove_queued_request(ad->q, rq);
WARN_ON(arq->state != AS_RQ_QUEUED);
- list_add(&rq->queuelist, insert);
+ elv_dispatch_sort(ad->q, rq);
+
arq->state = AS_RQ_DISPATCHED;
if (arq->io_context && arq->io_context->aic)
atomic_inc(&arq->io_context->aic->nr_dispatched);
@@ -1230,12 +1153,42 @@ static void as_move_to_dispatch(struct as_data *ad, struct as_rq *arq)
* read/write expire, batch expire, etc, and moves it to the dispatch
* queue. Returns 1 if a request was found, 0 otherwise.
*/
-static int as_dispatch_request(struct as_data *ad)
+static int as_dispatch_request(request_queue_t *q, int force)
{
+ struct as_data *ad = q->elevator->elevator_data;
struct as_rq *arq;
const int reads = !list_empty(&ad->fifo_list[REQ_SYNC]);
const int writes = !list_empty(&ad->fifo_list[REQ_ASYNC]);
+ if (unlikely(force)) {
+ /*
+ * Forced dispatch, accounting is useless. Reset
+ * accounting states and dump fifo_lists. Note that
+ * batch_data_dir is reset to REQ_SYNC to avoid
+ * screwing write batch accounting as write batch
+ * accounting occurs on W->R transition.
+ */
+ int dispatched = 0;
+
+ ad->batch_data_dir = REQ_SYNC;
+ ad->changed_batch = 0;
+ ad->new_batch = 0;
+
+ while (ad->next_arq[REQ_SYNC]) {
+ as_move_to_dispatch(ad, ad->next_arq[REQ_SYNC]);
+ dispatched++;
+ }
+ ad->last_check_fifo[REQ_SYNC] = jiffies;
+
+ while (ad->next_arq[REQ_ASYNC]) {
+ as_move_to_dispatch(ad, ad->next_arq[REQ_ASYNC]);
+ dispatched++;
+ }
+ ad->last_check_fifo[REQ_ASYNC] = jiffies;
+
+ return dispatched;
+ }
+
/* Signal that the write batch was uncontended, so we can't time it */
if (ad->batch_data_dir == REQ_ASYNC && !reads) {
if (ad->current_write_count == 0 || !writes)
@@ -1359,20 +1312,6 @@ fifo_expired:
return 1;
}
-static struct request *as_next_request(request_queue_t *q)
-{
- struct as_data *ad = q->elevator->elevator_data;
- struct request *rq = NULL;
-
- /*
- * if there are still requests on the dispatch queue, grab the first
- */
- if (!list_empty(ad->dispatch) || as_dispatch_request(ad))
- rq = list_entry_rq(ad->dispatch->next);
-
- return rq;
-}
-
/*
* Add arq to a list behind alias
*/
@@ -1404,17 +1343,25 @@ as_add_aliased_request(struct as_data *ad, struct as_rq *arq, struct as_rq *alia
/*
* Don't want to have to handle merges.
*/
- as_remove_merge_hints(ad->q, arq);
+ as_del_arq_hash(arq);
}
/*
* add arq to rbtree and fifo
*/
-static void as_add_request(struct as_data *ad, struct as_rq *arq)
+static void as_add_request(request_queue_t *q, struct request *rq)
{
+ struct as_data *ad = q->elevator->elevator_data;
+ struct as_rq *arq = RQ_DATA(rq);
struct as_rq *alias;
int data_dir;
+ if (arq->state != AS_RQ_PRESCHED) {
+ printk("arq->state: %d\n", arq->state);
+ WARN_ON(1);
+ }
+ arq->state = AS_RQ_NEW;
+
if (rq_data_dir(arq->request) == READ
|| current->flags&PF_SYNCWRITE)
arq->is_sync = 1;
@@ -1437,12 +1384,8 @@ static void as_add_request(struct as_data *ad, struct as_rq *arq)
arq->expires = jiffies + ad->fifo_expire[data_dir];
list_add_tail(&arq->fifo, &ad->fifo_list[data_dir]);
- if (rq_mergeable(arq->request)) {
+ if (rq_mergeable(arq->request))
as_add_arq_hash(ad, arq);
-
- if (!ad->q->last_merge)
- ad->q->last_merge = arq->request;
- }
as_update_arq(ad, arq); /* keep state machine up to date */
} else {
@@ -1463,96 +1406,24 @@ static void as_add_request(struct as_data *ad, struct as_rq *arq)
arq->state = AS_RQ_QUEUED;
}
-static void as_deactivate_request(request_queue_t *q, struct request *rq)
+static void as_activate_request(request_queue_t *q, struct request *rq)
{
- struct as_data *ad = q->elevator->elevator_data;
struct as_rq *arq = RQ_DATA(rq);
- if (arq) {
- if (arq->state == AS_RQ_REMOVED) {
- arq->state = AS_RQ_DISPATCHED;
- if (arq->io_context && arq->io_context->aic)
- atomic_inc(&arq->io_context->aic->nr_dispatched);
- }
- } else
- WARN_ON(blk_fs_request(rq)
- && (!(rq->flags & (REQ_HARDBARRIER|REQ_SOFTBARRIER))) );
-
- /* Stop anticipating - let this request get through */
- as_antic_stop(ad);
-}
-
-/*
- * requeue the request. The request has not been completed, nor is it a
- * new request, so don't touch accounting.
- */
-static void as_requeue_request(request_queue_t *q, struct request *rq)
-{
- as_deactivate_request(q, rq);
- list_add(&rq->queuelist, &q->queue_head);
-}
-
-/*
- * Account a request that is inserted directly onto the dispatch queue.
- * arq->io_context->aic->nr_dispatched should not need to be incremented
- * because only new requests should come through here: requeues go through
- * our explicit requeue handler.
- */
-static void as_account_queued_request(struct as_data *ad, struct request *rq)
-{
- if (blk_fs_request(rq)) {
- struct as_rq *arq = RQ_DATA(rq);
- arq->state = AS_RQ_DISPATCHED;
- ad->nr_dispatched++;
- }
+ WARN_ON(arq->state != AS_RQ_DISPATCHED);
+ arq->state = AS_RQ_REMOVED;
+ if (arq->io_context && arq->io_context->aic)
+ atomic_dec(&arq->io_context->aic->nr_dispatched);
}
-static void
-as_insert_request(request_queue_t *q, struct request *rq, int where)
+static void as_deactivate_request(request_queue_t *q, struct request *rq)
{
- struct as_data *ad = q->elevator->elevator_data;
struct as_rq *arq = RQ_DATA(rq);
- if (arq) {
- if (arq->state != AS_RQ_PRESCHED) {
- printk("arq->state: %d\n", arq->state);
- WARN_ON(1);
- }
- arq->state = AS_RQ_NEW;
- }
-
- /* barriers must flush the reorder queue */
- if (unlikely(rq->flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER)
- && where == ELEVATOR_INSERT_SORT)) {
- WARN_ON(1);
- where = ELEVATOR_INSERT_BACK;
- }
-
- switch (where) {
- case ELEVATOR_INSERT_BACK:
- while (ad->next_arq[REQ_SYNC])
- as_move_to_dispatch(ad, ad->next_arq[REQ_SYNC]);
-
- while (ad->next_arq[REQ_ASYNC])
- as_move_to_dispatch(ad, ad->next_arq[REQ_ASYNC]);
-
- list_add_tail(&rq->queuelist, ad->dispatch);
- as_account_queued_request(ad, rq);
- as_antic_stop(ad);
- break;
- case ELEVATOR_INSERT_FRONT:
- list_add(&rq->queuelist, ad->dispatch);
- as_account_queued_request(ad, rq);
- as_antic_stop(ad);
- break;
- case ELEVATOR_INSERT_SORT:
- BUG_ON(!blk_fs_request(rq));
- as_add_request(ad, arq);
- break;
- default:
- BUG();
- return;
- }
+ WARN_ON(arq->state != AS_RQ_REMOVED);
+ arq->state = AS_RQ_DISPATCHED;
+ if (arq->io_context && arq->io_context->aic)
+ atomic_inc(&arq->io_context->aic->nr_dispatched);
}
/*
@@ -1565,12 +1436,8 @@ static int as_queue_empty(request_queue_t *q)
{
struct as_data *ad = q->elevator->elevator_data;
- if (!list_empty(&ad->fifo_list[REQ_ASYNC])
- || !list_empty(&ad->fifo_list[REQ_SYNC])
- || !list_empty(ad->dispatch))
- return 0;
-
- return 1;
+ return list_empty(&ad->fifo_list[REQ_ASYNC])
+ && list_empty(&ad->fifo_list[REQ_SYNC]);
}
static struct request *
@@ -1608,15 +1475,6 @@ as_merge(request_queue_t *q, struct request **req, struct bio *bio)
int ret;
/*
- * try last_merge to avoid going to hash
- */
- ret = elv_try_last_merge(q, bio);
- if (ret != ELEVATOR_NO_MERGE) {
- __rq = q->last_merge;
- goto out_insert;
- }
-
- /*
* see if the merge hash can satisfy a back merge
*/
__rq = as_find_arq_hash(ad, bio->bi_sector);
@@ -1644,9 +1502,6 @@ as_merge(request_queue_t *q, struct request **req, struct bio *bio)
return ELEVATOR_NO_MERGE;
out:
- if (rq_mergeable(__rq))
- q->last_merge = __rq;
-out_insert:
if (ret) {
if (rq_mergeable(__rq))
as_hot_arq_hash(ad, RQ_DATA(__rq));
@@ -1693,9 +1548,6 @@ static void as_merged_request(request_queue_t *q, struct request *req)
* behind the disk head. We currently don't bother adjusting.
*/
}
-
- if (arq->on_hash)
- q->last_merge = req;
}
static void
@@ -1763,6 +1615,7 @@ as_merged_requests(request_queue_t *q, struct request *req,
* kill knowledge of next, this one is a goner
*/
as_remove_queued_request(q, next);
+ as_put_io_context(anext);
anext->state = AS_RQ_MERGED;
}
@@ -1782,7 +1635,7 @@ static void as_work_handler(void *data)
unsigned long flags;
spin_lock_irqsave(q->queue_lock, flags);
- if (as_next_request(q))
+ if (!as_queue_empty(q))
q->request_fn(q);
spin_unlock_irqrestore(q->queue_lock, flags);
}
@@ -1797,7 +1650,9 @@ static void as_put_request(request_queue_t *q, struct request *rq)
return;
}
- if (arq->state != AS_RQ_POSTSCHED && arq->state != AS_RQ_PRESCHED) {
+ if (unlikely(arq->state != AS_RQ_POSTSCHED &&
+ arq->state != AS_RQ_PRESCHED &&
+ arq->state != AS_RQ_MERGED)) {
printk("arq->state %d\n", arq->state);
WARN_ON(1);
}
@@ -1807,7 +1662,7 @@ static void as_put_request(request_queue_t *q, struct request *rq)
}
static int as_set_request(request_queue_t *q, struct request *rq,
- struct bio *bio, int gfp_mask)
+ struct bio *bio, gfp_t gfp_mask)
{
struct as_data *ad = q->elevator->elevator_data;
struct as_rq *arq = mempool_alloc(ad->arq_pool, gfp_mask);
@@ -1907,7 +1762,6 @@ static int as_init_queue(request_queue_t *q, elevator_t *e)
INIT_LIST_HEAD(&ad->fifo_list[REQ_ASYNC]);
ad->sort_list[REQ_SYNC] = RB_ROOT;
ad->sort_list[REQ_ASYNC] = RB_ROOT;
- ad->dispatch = &q->queue_head;
ad->fifo_expire[REQ_SYNC] = default_read_expire;
ad->fifo_expire[REQ_ASYNC] = default_write_expire;
ad->antic_expire = default_antic_expire;
@@ -2072,10 +1926,9 @@ static struct elevator_type iosched_as = {
.elevator_merge_fn = as_merge,
.elevator_merged_fn = as_merged_request,
.elevator_merge_req_fn = as_merged_requests,
- .elevator_next_req_fn = as_next_request,
- .elevator_add_req_fn = as_insert_request,
- .elevator_remove_req_fn = as_remove_request,
- .elevator_requeue_req_fn = as_requeue_request,
+ .elevator_dispatch_fn = as_dispatch_request,
+ .elevator_add_req_fn = as_add_request,
+ .elevator_activate_req_fn = as_activate_request,
.elevator_deactivate_req_fn = as_deactivate_request,
.elevator_queue_empty_fn = as_queue_empty,
.elevator_completed_req_fn = as_completed_request,
diff --git a/drivers/block/cfq-iosched.c b/drivers/block/cfq-iosched.c
index cd056e7e64ec..94690e4d41e0 100644
--- a/drivers/block/cfq-iosched.c
+++ b/drivers/block/cfq-iosched.c
@@ -84,7 +84,6 @@ static int cfq_max_depth = 2;
(node)->rb_left = NULL; \
} while (0)
#define RB_CLEAR_ROOT(root) ((root)->rb_node = NULL)
-#define ON_RB(node) ((node)->rb_color != RB_NONE)
#define rb_entry_crq(node) rb_entry((node), struct cfq_rq, rb_node)
#define rq_rb_key(rq) (rq)->sector
@@ -271,10 +270,7 @@ CFQ_CFQQ_FNS(expired);
#undef CFQ_CFQQ_FNS
enum cfq_rq_state_flags {
- CFQ_CRQ_FLAG_in_flight = 0,
- CFQ_CRQ_FLAG_in_driver,
- CFQ_CRQ_FLAG_is_sync,
- CFQ_CRQ_FLAG_requeued,
+ CFQ_CRQ_FLAG_is_sync = 0,
};
#define CFQ_CRQ_FNS(name) \
@@ -291,14 +287,11 @@ static inline int cfq_crq_##name(const struct cfq_rq *crq) \
return (crq->crq_flags & (1 << CFQ_CRQ_FLAG_##name)) != 0; \
}
-CFQ_CRQ_FNS(in_flight);
-CFQ_CRQ_FNS(in_driver);
CFQ_CRQ_FNS(is_sync);
-CFQ_CRQ_FNS(requeued);
#undef CFQ_CRQ_FNS
static struct cfq_queue *cfq_find_cfq_hash(struct cfq_data *, unsigned int, unsigned short);
-static void cfq_dispatch_sort(request_queue_t *, struct cfq_rq *);
+static void cfq_dispatch_insert(request_queue_t *, struct cfq_rq *);
static void cfq_put_cfqd(struct cfq_data *cfqd);
#define process_sync(tsk) ((tsk)->flags & PF_SYNCWRITE)
@@ -311,14 +304,6 @@ static inline void cfq_del_crq_hash(struct cfq_rq *crq)
hlist_del_init(&crq->hash);
}
-static void cfq_remove_merge_hints(request_queue_t *q, struct cfq_rq *crq)
-{
- cfq_del_crq_hash(crq);
-
- if (q->last_merge == crq->request)
- q->last_merge = NULL;
-}
-
static inline void cfq_add_crq_hash(struct cfq_data *cfqd, struct cfq_rq *crq)
{
const int hash_idx = CFQ_MHASH_FN(rq_hash_key(crq->request));
@@ -347,18 +332,13 @@ static struct request *cfq_find_rq_hash(struct cfq_data *cfqd, sector_t offset)
return NULL;
}
-static inline int cfq_pending_requests(struct cfq_data *cfqd)
-{
- return !list_empty(&cfqd->queue->queue_head) || cfqd->busy_queues;
-}
-
/*
* scheduler run of queue, if there are requests pending and no one in the
* driver that will restart queueing
*/
static inline void cfq_schedule_dispatch(struct cfq_data *cfqd)
{
- if (!cfqd->rq_in_driver && cfq_pending_requests(cfqd))
+ if (!cfqd->rq_in_driver && cfqd->busy_queues)
kblockd_schedule_work(&cfqd->unplug_work);
}
@@ -366,7 +346,7 @@ static int cfq_queue_empty(request_queue_t *q)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
- return !cfq_pending_requests(cfqd);
+ return !cfqd->busy_queues;
}
/*
@@ -386,11 +366,6 @@ cfq_choose_req(struct cfq_data *cfqd, struct cfq_rq *crq1, struct cfq_rq *crq2)
if (crq2 == NULL)
return crq1;
- if (cfq_crq_requeued(crq1) && !cfq_crq_requeued(crq2))
- return crq1;
- else if (cfq_crq_requeued(crq2) && !cfq_crq_requeued(crq1))
- return crq2;
-
if (cfq_crq_is_sync(crq1) && !cfq_crq_is_sync(crq2))
return crq1;
else if (cfq_crq_is_sync(crq2) && !cfq_crq_is_sync(crq1))
@@ -461,10 +436,7 @@ cfq_find_next_crq(struct cfq_data *cfqd, struct cfq_queue *cfqq,
struct cfq_rq *crq_next = NULL, *crq_prev = NULL;
struct rb_node *rbnext, *rbprev;
- rbnext = NULL;
- if (ON_RB(&last->rb_node))
- rbnext = rb_next(&last->rb_node);
- if (!rbnext) {
+ if (!(rbnext = rb_next(&last->rb_node))) {
rbnext = rb_first(&cfqq->sort_list);
if (rbnext == &last->rb_node)
rbnext = NULL;
@@ -545,13 +517,13 @@ static void cfq_resort_rr_list(struct cfq_queue *cfqq, int preempted)
* the pending list according to last request service
*/
static inline void
-cfq_add_cfqq_rr(struct cfq_data *cfqd, struct cfq_queue *cfqq, int requeue)
+cfq_add_cfqq_rr(struct cfq_data *cfqd, struct cfq_queue *cfqq)
{
BUG_ON(cfq_cfqq_on_rr(cfqq));
cfq_mark_cfqq_on_rr(cfqq);
cfqd->busy_queues++;
- cfq_resort_rr_list(cfqq, requeue);
+ cfq_resort_rr_list(cfqq, 0);
}
static inline void
@@ -571,22 +543,19 @@ cfq_del_cfqq_rr(struct cfq_data *cfqd, struct cfq_queue *cfqq)
static inline void cfq_del_crq_rb(struct cfq_rq *crq)
{
struct cfq_queue *cfqq = crq->cfq_queue;
+ struct cfq_data *cfqd = cfqq->cfqd;
+ const int sync = cfq_crq_is_sync(crq);
- if (ON_RB(&crq->rb_node)) {
- struct cfq_data *cfqd = cfqq->cfqd;
- const int sync = cfq_crq_is_sync(crq);
+ BUG_ON(!cfqq->queued[sync]);
+ cfqq->queued[sync]--;
- BUG_ON(!cfqq->queued[sync]);
- cfqq->queued[sync]--;
+ cfq_update_next_crq(crq);
- cfq_update_next_crq(crq);
+ rb_erase(&crq->rb_node, &cfqq->sort_list);
+ RB_CLEAR_COLOR(&crq->rb_node);
- rb_erase(&crq->rb_node, &cfqq->sort_list);
- RB_CLEAR_COLOR(&crq->rb_node);
-
- if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY(&cfqq->sort_list))
- cfq_del_cfqq_rr(cfqd, cfqq);
- }
+ if (cfq_cfqq_on_rr(cfqq) && RB_EMPTY(&cfqq->sort_list))
+ cfq_del_cfqq_rr(cfqd, cfqq);
}
static struct cfq_rq *
@@ -627,12 +596,12 @@ static void cfq_add_crq_rb(struct cfq_rq *crq)
* if that happens, put the alias on the dispatch list
*/
while ((__alias = __cfq_add_crq_rb(crq)) != NULL)
- cfq_dispatch_sort(cfqd->queue, __alias);
+ cfq_dispatch_insert(cfqd->queue, __alias);
rb_insert_color(&crq->rb_node, &cfqq->sort_list);
if (!cfq_cfqq_on_rr(cfqq))
- cfq_add_cfqq_rr(cfqd, cfqq, cfq_crq_requeued(crq));
+ cfq_add_cfqq_rr(cfqd, cfqq);
/*
* check if this request is a better next-serve candidate
@@ -643,10 +612,8 @@ static void cfq_add_crq_rb(struct cfq_rq *crq)
static inline void
cfq_reposition_crq_rb(struct cfq_queue *cfqq, struct cfq_rq *crq)
{
- if (ON_RB(&crq->rb_node)) {
- rb_erase(&crq->rb_node, &cfqq->sort_list);
- cfqq->queued[cfq_crq_is_sync(crq)]--;
- }
+ rb_erase(&crq->rb_node, &cfqq->sort_list);
+ cfqq->queued[cfq_crq_is_sync(crq)]--;
cfq_add_crq_rb(crq);
}
@@ -676,49 +643,28 @@ out:
return NULL;
}
-static void cfq_deactivate_request(request_queue_t *q, struct request *rq)
+static void cfq_activate_request(request_queue_t *q, struct request *rq)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
- struct cfq_rq *crq = RQ_DATA(rq);
-
- if (crq) {
- struct cfq_queue *cfqq = crq->cfq_queue;
-
- if (cfq_crq_in_driver(crq)) {
- cfq_clear_crq_in_driver(crq);
- WARN_ON(!cfqd->rq_in_driver);
- cfqd->rq_in_driver--;
- }
- if (cfq_crq_in_flight(crq)) {
- const int sync = cfq_crq_is_sync(crq);
- cfq_clear_crq_in_flight(crq);
- WARN_ON(!cfqq->on_dispatch[sync]);
- cfqq->on_dispatch[sync]--;
- }
- cfq_mark_crq_requeued(crq);
- }
+ cfqd->rq_in_driver++;
}
-/*
- * make sure the service time gets corrected on reissue of this request
- */
-static void cfq_requeue_request(request_queue_t *q, struct request *rq)
+static void cfq_deactivate_request(request_queue_t *q, struct request *rq)
{
- cfq_deactivate_request(q, rq);
- list_add(&rq->queuelist, &q->queue_head);
+ struct cfq_data *cfqd = q->elevator->elevator_data;
+
+ WARN_ON(!cfqd->rq_in_driver);
+ cfqd->rq_in_driver--;
}
-static void cfq_remove_request(request_queue_t *q, struct request *rq)
+static void cfq_remove_request(struct request *rq)
{
struct cfq_rq *crq = RQ_DATA(rq);
- if (crq) {
- list_del_init(&rq->queuelist);
- cfq_del_crq_rb(crq);
- cfq_remove_merge_hints(q, crq);
-
- }
+ list_del_init(&rq->queuelist);
+ cfq_del_crq_rb(crq);
+ cfq_del_crq_hash(crq);
}
static int
@@ -728,12 +674,6 @@ cfq_merge(request_queue_t *q, struct request **req, struct bio *bio)
struct request *__rq;
int ret;
- ret = elv_try_last_merge(q, bio);
- if (ret != ELEVATOR_NO_MERGE) {
- __rq = q->last_merge;
- goto out_insert;
- }
-
__rq = cfq_find_rq_hash(cfqd, bio->bi_sector);
if (__rq && elv_rq_merge_ok(__rq, bio)) {
ret = ELEVATOR_BACK_MERGE;
@@ -748,8 +688,6 @@ cfq_merge(request_queue_t *q, struct request **req, struct bio *bio)
return ELEVATOR_NO_MERGE;
out:
- q->last_merge = __rq;
-out_insert:
*req = __rq;
return ret;
}
@@ -762,14 +700,12 @@ static void cfq_merged_request(request_queue_t *q, struct request *req)
cfq_del_crq_hash(crq);
cfq_add_crq_hash(cfqd, crq);
- if (ON_RB(&crq->rb_node) && (rq_rb_key(req) != crq->rb_key)) {
+ if (rq_rb_key(req) != crq->rb_key) {
struct cfq_queue *cfqq = crq->cfq_queue;
cfq_update_next_crq(crq);
cfq_reposition_crq_rb(cfqq, crq);
}
-
- q->last_merge = req;
}
static void
@@ -785,7 +721,7 @@ cfq_merged_requests(request_queue_t *q, struct request *rq,
time_before(next->start_time, rq->start_time))
list_move(&rq->queuelist, &next->queuelist);
- cfq_remove_request(q, next);
+ cfq_remove_request(next);
}
static inline void
@@ -992,53 +928,15 @@ static int cfq_arm_slice_timer(struct cfq_data *cfqd, struct cfq_queue *cfqq)
return 1;
}
-/*
- * we dispatch cfqd->cfq_quantum requests in total from the rr_list queues,
- * this function sector sorts the selected request to minimize seeks. we start
- * at cfqd->last_sector, not 0.
- */
-static void cfq_dispatch_sort(request_queue_t *q, struct cfq_rq *crq)
+static void cfq_dispatch_insert(request_queue_t *q, struct cfq_rq *crq)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
struct cfq_queue *cfqq = crq->cfq_queue;
- struct list_head *head = &q->queue_head, *entry = head;
- struct request *__rq;
- sector_t last;
-
- list_del(&crq->request->queuelist);
-
- last = cfqd->last_sector;
- list_for_each_entry_reverse(__rq, head, queuelist) {
- struct cfq_rq *__crq = RQ_DATA(__rq);
-
- if (blk_barrier_rq(__rq))
- break;
- if (!blk_fs_request(__rq))
- break;
- if (cfq_crq_requeued(__crq))
- break;
-
- if (__rq->sector <= crq->request->sector)
- break;
- if (__rq->sector > last && crq->request->sector < last) {
- last = crq->request->sector + crq->request->nr_sectors;
- break;
- }
- entry = &__rq->queuelist;
- }
-
- cfqd->last_sector = last;
cfqq->next_crq = cfq_find_next_crq(cfqd, cfqq, crq);
-
- cfq_del_crq_rb(crq);
- cfq_remove_merge_hints(q, crq);
-
- cfq_mark_crq_in_flight(crq);
- cfq_clear_crq_requeued(crq);
-
+ cfq_remove_request(crq->request);
cfqq->on_dispatch[cfq_crq_is_sync(crq)]++;
- list_add_tail(&crq->request->queuelist, entry);
+ elv_dispatch_sort(q, crq->request);
}
/*
@@ -1159,7 +1057,7 @@ __cfq_dispatch_requests(struct cfq_data *cfqd, struct cfq_queue *cfqq,
/*
* finally, insert request into driver dispatch list
*/
- cfq_dispatch_sort(cfqd->queue, crq);
+ cfq_dispatch_insert(cfqd->queue, crq);
cfqd->dispatch_slice++;
dispatched++;
@@ -1194,7 +1092,7 @@ __cfq_dispatch_requests(struct cfq_data *cfqd, struct cfq_queue *cfqq,
}
static int
-cfq_dispatch_requests(request_queue_t *q, int max_dispatch, int force)
+cfq_dispatch_requests(request_queue_t *q, int force)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
struct cfq_queue *cfqq;
@@ -1204,12 +1102,25 @@ cfq_dispatch_requests(request_queue_t *q, int max_dispatch, int force)
cfqq = cfq_select_queue(cfqd, force);
if (cfqq) {
+ int max_dispatch;
+
+ /*
+ * if idle window is disabled, allow queue buildup
+ */
+ if (!cfq_cfqq_idle_window(cfqq) &&
+ cfqd->rq_in_driver >= cfqd->cfq_max_depth)
+ return 0;
+
cfq_clear_cfqq_must_dispatch(cfqq);
cfq_clear_cfqq_wait_request(cfqq);
del_timer(&cfqd->idle_slice_timer);
- if (cfq_class_idle(cfqq))
- max_dispatch = 1;
+ if (!force) {
+ max_dispatch = cfqd->cfq_quantum;
+ if (cfq_class_idle(cfqq))
+ max_dispatch = 1;
+ } else
+ max_dispatch = INT_MAX;
return __cfq_dispatch_requests(cfqd, cfqq, max_dispatch);
}
@@ -1217,93 +1128,6 @@ cfq_dispatch_requests(request_queue_t *q, int max_dispatch, int force)
return 0;
}
-static inline void cfq_account_dispatch(struct cfq_rq *crq)
-{
- struct cfq_queue *cfqq = crq->cfq_queue;
- struct cfq_data *cfqd = cfqq->cfqd;
-
- if (unlikely(!blk_fs_request(crq->request)))
- return;
-
- /*
- * accounted bit is necessary since some drivers will call
- * elv_next_request() many times for the same request (eg ide)
- */
- if (cfq_crq_in_driver(crq))
- return;
-
- cfq_mark_crq_in_driver(crq);
- cfqd->rq_in_driver++;
-}
-
-static inline void
-cfq_account_completion(struct cfq_queue *cfqq, struct cfq_rq *crq)
-{
- struct cfq_data *cfqd = cfqq->cfqd;
- unsigned long now;
-
- if (!cfq_crq_in_driver(crq))
- return;
-
- now = jiffies;
-
- WARN_ON(!cfqd->rq_in_driver);
- cfqd->rq_in_driver--;
-
- if (!cfq_class_idle(cfqq))
- cfqd->last_end_request = now;
-
- if (!cfq_cfqq_dispatched(cfqq)) {
- if (cfq_cfqq_on_rr(cfqq)) {
- cfqq->service_last = now;
- cfq_resort_rr_list(cfqq, 0);
- }
- if (cfq_cfqq_expired(cfqq)) {
- __cfq_slice_expired(cfqd, cfqq, 0);
- cfq_schedule_dispatch(cfqd);
- }
- }
-
- if (cfq_crq_is_sync(crq))
- crq->io_context->last_end_request = now;
-}
-
-static struct request *cfq_next_request(request_queue_t *q)
-{
- struct cfq_data *cfqd = q->elevator->elevator_data;
- struct request *rq;
-
- if (!list_empty(&q->queue_head)) {
- struct cfq_rq *crq;
-dispatch:
- rq = list_entry_rq(q->queue_head.next);
-
- crq = RQ_DATA(rq);
- if (crq) {
- struct cfq_queue *cfqq = crq->cfq_queue;
-
- /*
- * if idle window is disabled, allow queue buildup
- */
- if (!cfq_crq_in_driver(crq) &&
- !cfq_cfqq_idle_window(cfqq) &&
- !blk_barrier_rq(rq) &&
- cfqd->rq_in_driver >= cfqd->cfq_max_depth)
- return NULL;
-
- cfq_remove_merge_hints(q, crq);
- cfq_account_dispatch(crq);
- }
-
- return rq;
- }
-
- if (cfq_dispatch_requests(q, cfqd->cfq_quantum, 0))
- goto dispatch;
-
- return NULL;
-}
-
/*
* task holds one reference to the queue, dropped when task exits. each crq
* in-flight on this queue also holds a reference, dropped when crq is freed.
@@ -1422,7 +1246,7 @@ static void cfq_exit_io_context(struct cfq_io_context *cic)
}
static struct cfq_io_context *
-cfq_alloc_io_context(struct cfq_data *cfqd, int gfp_mask)
+cfq_alloc_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
{
struct cfq_io_context *cic = kmem_cache_alloc(cfq_ioc_pool, gfp_mask);
@@ -1517,7 +1341,7 @@ static int cfq_ioc_set_ioprio(struct io_context *ioc, unsigned int ioprio)
static struct cfq_queue *
cfq_get_queue(struct cfq_data *cfqd, unsigned int key, unsigned short ioprio,
- int gfp_mask)
+ gfp_t gfp_mask)
{
const int hashval = hash_long(key, CFQ_QHASH_SHIFT);
struct cfq_queue *cfqq, *new_cfqq = NULL;
@@ -1578,7 +1402,7 @@ out:
* cfqq, so we don't need to worry about it disappearing
*/
static struct cfq_io_context *
-cfq_get_io_context(struct cfq_data *cfqd, pid_t pid, int gfp_mask)
+cfq_get_io_context(struct cfq_data *cfqd, pid_t pid, gfp_t gfp_mask)
{
struct io_context *ioc = NULL;
struct cfq_io_context *cic;
@@ -1816,8 +1640,9 @@ cfq_crq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
}
}
-static void cfq_enqueue(struct cfq_data *cfqd, struct request *rq)
+static void cfq_insert_request(request_queue_t *q, struct request *rq)
{
+ struct cfq_data *cfqd = q->elevator->elevator_data;
struct cfq_rq *crq = RQ_DATA(rq);
struct cfq_queue *cfqq = crq->cfq_queue;
@@ -1827,66 +1652,43 @@ static void cfq_enqueue(struct cfq_data *cfqd, struct request *rq)
list_add_tail(&rq->queuelist, &cfqq->fifo);
- if (rq_mergeable(rq)) {
+ if (rq_mergeable(rq))
cfq_add_crq_hash(cfqd, crq);
- if (!cfqd->queue->last_merge)
- cfqd->queue->last_merge = rq;
- }
-
cfq_crq_enqueued(cfqd, cfqq, crq);
}
-static void
-cfq_insert_request(request_queue_t *q, struct request *rq, int where)
-{
- struct cfq_data *cfqd = q->elevator->elevator_data;
-
- switch (where) {
- case ELEVATOR_INSERT_BACK:
- while (cfq_dispatch_requests(q, INT_MAX, 1))
- ;
- list_add_tail(&rq->queuelist, &q->queue_head);
- /*
- * If we were idling with pending requests on
- * inactive cfqqs, force dispatching will
- * remove the idle timer and the queue won't
- * be kicked by __make_request() afterward.
- * Kick it here.
- */
- cfq_schedule_dispatch(cfqd);
- break;
- case ELEVATOR_INSERT_FRONT:
- list_add(&rq->queuelist, &q->queue_head);
- break;
- case ELEVATOR_INSERT_SORT:
- BUG_ON(!blk_fs_request(rq));
- cfq_enqueue(cfqd, rq);
- break;
- default:
- printk("%s: bad insert point %d\n", __FUNCTION__,where);
- return;
- }
-}
-
static void cfq_completed_request(request_queue_t *q, struct request *rq)
{
struct cfq_rq *crq = RQ_DATA(rq);
- struct cfq_queue *cfqq;
+ struct cfq_queue *cfqq = crq->cfq_queue;
+ struct cfq_data *cfqd = cfqq->cfqd;
+ const int sync = cfq_crq_is_sync(crq);
+ unsigned long now;
- if (unlikely(!blk_fs_request(rq)))
- return;
+ now = jiffies;
- cfqq = crq->cfq_queue;
+ WARN_ON(!cfqd->rq_in_driver);
+ WARN_ON(!cfqq->on_dispatch[sync]);
+ cfqd->rq_in_driver--;
+ cfqq->on_dispatch[sync]--;
- if (cfq_crq_in_flight(crq)) {
- const int sync = cfq_crq_is_sync(crq);
+ if (!cfq_class_idle(cfqq))
+ cfqd->last_end_request = now;
- WARN_ON(!cfqq->on_dispatch[sync]);
- cfqq->on_dispatch[sync]--;
+ if (!cfq_cfqq_dispatched(cfqq)) {
+ if (cfq_cfqq_on_rr(cfqq)) {
+ cfqq->service_last = now;
+ cfq_resort_rr_list(cfqq, 0);
+ }
+ if (cfq_cfqq_expired(cfqq)) {
+ __cfq_slice_expired(cfqd, cfqq, 0);
+ cfq_schedule_dispatch(cfqd);
+ }
}
- cfq_account_completion(cfqq, crq);
+ if (cfq_crq_is_sync(crq))
+ crq->io_context->last_end_request = now;
}
static struct request *
@@ -2075,7 +1877,7 @@ static void cfq_put_request(request_queue_t *q, struct request *rq)
*/
static int
cfq_set_request(request_queue_t *q, struct request *rq, struct bio *bio,
- int gfp_mask)
+ gfp_t gfp_mask)
{
struct cfq_data *cfqd = q->elevator->elevator_data;
struct task_struct *tsk = current;
@@ -2118,9 +1920,6 @@ cfq_set_request(request_queue_t *q, struct request *rq, struct bio *bio,
INIT_HLIST_NODE(&crq->hash);
crq->cfq_queue = cfqq;
crq->io_context = cic;
- cfq_clear_crq_in_flight(crq);
- cfq_clear_crq_in_driver(crq);
- cfq_clear_crq_requeued(crq);
if (rw == READ || process_sync(tsk))
cfq_mark_crq_is_sync(crq);
@@ -2201,7 +2000,7 @@ static void cfq_idle_slice_timer(unsigned long data)
* only expire and reinvoke request handler, if there are
* other queues with pending requests
*/
- if (!cfq_pending_requests(cfqd)) {
+ if (!cfqd->busy_queues) {
cfqd->idle_slice_timer.expires = min(now + cfqd->cfq_slice_idle, cfqq->slice_end);
add_timer(&cfqd->idle_slice_timer);
goto out_cont;
@@ -2576,10 +2375,9 @@ static struct elevator_type iosched_cfq = {
.elevator_merge_fn = cfq_merge,
.elevator_merged_fn = cfq_merged_request,
.elevator_merge_req_fn = cfq_merged_requests,
- .elevator_next_req_fn = cfq_next_request,
+ .elevator_dispatch_fn = cfq_dispatch_requests,
.elevator_add_req_fn = cfq_insert_request,
- .elevator_remove_req_fn = cfq_remove_request,
- .elevator_requeue_req_fn = cfq_requeue_request,
+ .elevator_activate_req_fn = cfq_activate_request,
.elevator_deactivate_req_fn = cfq_deactivate_request,
.elevator_queue_empty_fn = cfq_queue_empty,
.elevator_completed_req_fn = cfq_completed_request,
diff --git a/drivers/block/deadline-iosched.c b/drivers/block/deadline-iosched.c
index 52a3ae5289a0..7929471d7df7 100644
--- a/drivers/block/deadline-iosched.c
+++ b/drivers/block/deadline-iosched.c
@@ -50,7 +50,6 @@ struct deadline_data {
* next in sort order. read, write or both are NULL
*/
struct deadline_rq *next_drq[2];
- struct list_head *dispatch; /* driver dispatch queue */
struct list_head *hash; /* request hash */
unsigned int batching; /* number of sequential requests made */
sector_t last_sector; /* head position */
@@ -113,15 +112,6 @@ static inline void deadline_del_drq_hash(struct deadline_rq *drq)
__deadline_del_drq_hash(drq);
}
-static void
-deadline_remove_merge_hints(request_queue_t *q, struct deadline_rq *drq)
-{
- deadline_del_drq_hash(drq);
-
- if (q->last_merge == drq->request)
- q->last_merge = NULL;
-}
-
static inline void
deadline_add_drq_hash(struct deadline_data *dd, struct deadline_rq *drq)
{
@@ -239,10 +229,9 @@ deadline_del_drq_rb(struct deadline_data *dd, struct deadline_rq *drq)
dd->next_drq[data_dir] = rb_entry_drq(rbnext);
}
- if (ON_RB(&drq->rb_node)) {
- rb_erase(&drq->rb_node, DRQ_RB_ROOT(dd, drq));
- RB_CLEAR(&drq->rb_node);
- }
+ BUG_ON(!ON_RB(&drq->rb_node));
+ rb_erase(&drq->rb_node, DRQ_RB_ROOT(dd, drq));
+ RB_CLEAR(&drq->rb_node);
}
static struct request *
@@ -286,7 +275,7 @@ deadline_find_first_drq(struct deadline_data *dd, int data_dir)
/*
* add drq to rbtree and fifo
*/
-static inline void
+static void
deadline_add_request(struct request_queue *q, struct request *rq)
{
struct deadline_data *dd = q->elevator->elevator_data;
@@ -301,12 +290,8 @@ deadline_add_request(struct request_queue *q, struct request *rq)
drq->expires = jiffies + dd->fifo_expire[data_dir];
list_add_tail(&drq->fifo, &dd->fifo_list[data_dir]);
- if (rq_mergeable(rq)) {
+ if (rq_mergeable(rq))
deadline_add_drq_hash(dd, drq);
-
- if (!q->last_merge)
- q->last_merge = rq;
- }
}
/*
@@ -315,14 +300,11 @@ deadline_add_request(struct request_queue *q, struct request *rq)
static void deadline_remove_request(request_queue_t *q, struct request *rq)
{
struct deadline_rq *drq = RQ_DATA(rq);
+ struct deadline_data *dd = q->elevator->elevator_data;
- if (drq) {
- struct deadline_data *dd = q->elevator->elevator_data;
-
- list_del_init(&drq->fifo);
- deadline_remove_merge_hints(q, drq);
- deadline_del_drq_rb(dd, drq);
- }
+ list_del_init(&drq->fifo);
+ deadline_del_drq_rb(dd, drq);
+ deadline_del_drq_hash(drq);
}
static int
@@ -333,15 +315,6 @@ deadline_merge(request_queue_t *q, struct request **req, struct bio *bio)
int ret;
/*
- * try last_merge to avoid going to hash
- */
- ret = elv_try_last_merge(q, bio);
- if (ret != ELEVATOR_NO_MERGE) {
- __rq = q->last_merge;
- goto out_insert;
- }
-
- /*
* see if the merge hash can satisfy a back merge
*/
__rq = deadline_find_drq_hash(dd, bio->bi_sector);
@@ -373,8 +346,6 @@ deadline_merge(request_queue_t *q, struct request **req, struct bio *bio)
return ELEVATOR_NO_MERGE;
out:
- q->last_merge = __rq;
-out_insert:
if (ret)
deadline_hot_drq_hash(dd, RQ_DATA(__rq));
*req = __rq;
@@ -399,8 +370,6 @@ static void deadline_merged_request(request_queue_t *q, struct request *req)
deadline_del_drq_rb(dd, drq);
deadline_add_drq_rb(dd, drq);
}
-
- q->last_merge = req;
}
static void
@@ -452,7 +421,7 @@ deadline_move_to_dispatch(struct deadline_data *dd, struct deadline_rq *drq)
request_queue_t *q = drq->request->q;
deadline_remove_request(q, drq->request);
- list_add_tail(&drq->request->queuelist, dd->dispatch);
+ elv_dispatch_add_tail(q, drq->request);
}
/*
@@ -502,8 +471,9 @@ static inline int deadline_check_fifo(struct deadline_data *dd, int ddir)
* deadline_dispatch_requests selects the best request according to
* read/write expire, fifo_batch, etc
*/
-static int deadline_dispatch_requests(struct deadline_data *dd)
+static int deadline_dispatch_requests(request_queue_t *q, int force)
{
+ struct deadline_data *dd = q->elevator->elevator_data;
const int reads = !list_empty(&dd->fifo_list[READ]);
const int writes = !list_empty(&dd->fifo_list[WRITE]);
struct deadline_rq *drq;
@@ -597,65 +567,12 @@ dispatch_request:
return 1;
}
-static struct request *deadline_next_request(request_queue_t *q)
-{
- struct deadline_data *dd = q->elevator->elevator_data;
- struct request *rq;
-
- /*
- * if there are still requests on the dispatch queue, grab the first one
- */
- if (!list_empty(dd->dispatch)) {
-dispatch:
- rq = list_entry_rq(dd->dispatch->next);
- return rq;
- }
-
- if (deadline_dispatch_requests(dd))
- goto dispatch;
-
- return NULL;
-}
-
-static void
-deadline_insert_request(request_queue_t *q, struct request *rq, int where)
-{
- struct deadline_data *dd = q->elevator->elevator_data;
-
- /* barriers must flush the reorder queue */
- if (unlikely(rq->flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER)
- && where == ELEVATOR_INSERT_SORT))
- where = ELEVATOR_INSERT_BACK;
-
- switch (where) {
- case ELEVATOR_INSERT_BACK:
- while (deadline_dispatch_requests(dd))
- ;
- list_add_tail(&rq->queuelist, dd->dispatch);
- break;
- case ELEVATOR_INSERT_FRONT:
- list_add(&rq->queuelist, dd->dispatch);
- break;
- case ELEVATOR_INSERT_SORT:
- BUG_ON(!blk_fs_request(rq));
- deadline_add_request(q, rq);
- break;
- default:
- printk("%s: bad insert point %d\n", __FUNCTION__,where);
- return;
- }
-}
-
static int deadline_queue_empty(request_queue_t *q)
{
struct deadline_data *dd = q->elevator->elevator_data;
- if (!list_empty(&dd->fifo_list[WRITE])
- || !list_empty(&dd->fifo_list[READ])
- || !list_empty(dd->dispatch))
- return 0;
-
- return 1;
+ return list_empty(&dd->fifo_list[WRITE])
+ && list_empty(&dd->fifo_list[READ]);
}
static struct request *
@@ -733,7 +650,6 @@ static int deadline_init_queue(request_queue_t *q, elevator_t *e)
INIT_LIST_HEAD(&dd->fifo_list[WRITE]);
dd->sort_list[READ] = RB_ROOT;
dd->sort_list[WRITE] = RB_ROOT;
- dd->dispatch = &q->queue_head;
dd->fifo_expire[READ] = read_expire;
dd->fifo_expire[WRITE] = write_expire;
dd->writes_starved = writes_starved;
@@ -748,15 +664,13 @@ static void deadline_put_request(request_queue_t *q, struct request *rq)
struct deadline_data *dd = q->elevator->elevator_data;
struct deadline_rq *drq = RQ_DATA(rq);
- if (drq) {
- mempool_free(drq, dd->drq_pool);
- rq->elevator_private = NULL;
- }
+ mempool_free(drq, dd->drq_pool);
+ rq->elevator_private = NULL;
}
static int
deadline_set_request(request_queue_t *q, struct request *rq, struct bio *bio,
- int gfp_mask)
+ gfp_t gfp_mask)
{
struct deadline_data *dd = q->elevator->elevator_data;
struct deadline_rq *drq;
@@ -917,9 +831,8 @@ static struct elevator_type iosched_deadline = {
.elevator_merge_fn = deadline_merge,
.elevator_merged_fn = deadline_merged_request,
.elevator_merge_req_fn = deadline_merged_requests,
- .elevator_next_req_fn = deadline_next_request,
- .elevator_add_req_fn = deadline_insert_request,
- .elevator_remove_req_fn = deadline_remove_request,
+ .elevator_dispatch_fn = deadline_dispatch_requests,
+ .elevator_add_req_fn = deadline_add_request,
.elevator_queue_empty_fn = deadline_queue_empty,
.elevator_former_req_fn = deadline_former_request,
.elevator_latter_req_fn = deadline_latter_request,
diff --git a/drivers/block/elevator.c b/drivers/block/elevator.c
index 98f0126a2deb..55621d5c5774 100644
--- a/drivers/block/elevator.c
+++ b/drivers/block/elevator.c
@@ -34,6 +34,7 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/compiler.h>
+#include <linux/delay.h>
#include <asm/uaccess.h>
@@ -83,21 +84,11 @@ inline int elv_try_merge(struct request *__rq, struct bio *bio)
}
EXPORT_SYMBOL(elv_try_merge);
-inline int elv_try_last_merge(request_queue_t *q, struct bio *bio)
-{
- if (q->last_merge)
- return elv_try_merge(q->last_merge, bio);
-
- return ELEVATOR_NO_MERGE;
-}
-EXPORT_SYMBOL(elv_try_last_merge);
-
static struct elevator_type *elevator_find(const char *name)
{
struct elevator_type *e = NULL;
struct list_head *entry;
- spin_lock_irq(&elv_list_lock);
list_for_each(entry, &elv_list) {
struct elevator_type *__e;
@@ -108,7 +99,6 @@ static struct elevator_type *elevator_find(const char *name)
break;
}
}
- spin_unlock_irq(&elv_list_lock);
return e;
}
@@ -120,12 +110,15 @@ static void elevator_put(struct elevator_type *e)
static struct elevator_type *elevator_get(const char *name)
{
- struct elevator_type *e = elevator_find(name);
+ struct elevator_type *e;
- if (!e)
- return NULL;
- if (!try_module_get(e->elevator_owner))
- return NULL;
+ spin_lock_irq(&elv_list_lock);
+
+ e = elevator_find(name);
+ if (e && !try_module_get(e->elevator_owner))
+ e = NULL;
+
+ spin_unlock_irq(&elv_list_lock);
return e;
}
@@ -139,8 +132,6 @@ static int elevator_attach(request_queue_t *q, struct elevator_type *e,
eq->ops = &e->ops;
eq->elevator_type = e;
- INIT_LIST_HEAD(&q->queue_head);
- q->last_merge = NULL;
q->elevator = eq;
if (eq->ops->elevator_init_fn)
@@ -153,11 +144,15 @@ static char chosen_elevator[16];
static void elevator_setup_default(void)
{
+ struct elevator_type *e;
+
/*
* check if default is set and exists
*/
- if (chosen_elevator[0] && elevator_find(chosen_elevator))
+ if (chosen_elevator[0] && (e = elevator_get(chosen_elevator))) {
+ elevator_put(e);
return;
+ }
#if defined(CONFIG_IOSCHED_AS)
strcpy(chosen_elevator, "anticipatory");
@@ -186,6 +181,11 @@ int elevator_init(request_queue_t *q, char *name)
struct elevator_queue *eq;
int ret = 0;
+ INIT_LIST_HEAD(&q->queue_head);
+ q->last_merge = NULL;
+ q->end_sector = 0;
+ q->boundary_rq = NULL;
+
elevator_setup_default();
if (!name)
@@ -220,9 +220,52 @@ void elevator_exit(elevator_t *e)
kfree(e);
}
+/*
+ * Insert rq into dispatch queue of q. Queue lock must be held on
+ * entry. If sort != 0, rq is sort-inserted; otherwise, rq will be
+ * appended to the dispatch queue. To be used by specific elevators.
+ */
+void elv_dispatch_sort(request_queue_t *q, struct request *rq)
+{
+ sector_t boundary;
+ struct list_head *entry;
+
+ if (q->last_merge == rq)
+ q->last_merge = NULL;
+
+ boundary = q->end_sector;
+
+ list_for_each_prev(entry, &q->queue_head) {
+ struct request *pos = list_entry_rq(entry);
+
+ if (pos->flags & (REQ_SOFTBARRIER|REQ_HARDBARRIER|REQ_STARTED))
+ break;
+ if (rq->sector >= boundary) {
+ if (pos->sector < boundary)
+ continue;
+ } else {
+ if (pos->sector >= boundary)
+ break;
+ }
+ if (rq->sector >= pos->sector)
+ break;
+ }
+
+ list_add(&rq->queuelist, entry);
+}
+
int elv_merge(request_queue_t *q, struct request **req, struct bio *bio)
{
elevator_t *e = q->elevator;
+ int ret;
+
+ if (q->last_merge) {
+ ret = elv_try_merge(q->last_merge, bio);
+ if (ret != ELEVATOR_NO_MERGE) {
+ *req = q->last_merge;
+ return ret;
+ }
+ }
if (e->ops->elevator_merge_fn)
return e->ops->elevator_merge_fn(q, req, bio);
@@ -236,6 +279,8 @@ void elv_merged_request(request_queue_t *q, struct request *rq)
if (e->ops->elevator_merged_fn)
e->ops->elevator_merged_fn(q, rq);
+
+ q->last_merge = rq;
}
void elv_merge_requests(request_queue_t *q, struct request *rq,
@@ -243,20 +288,13 @@ void elv_merge_requests(request_queue_t *q, struct request *rq,
{
elevator_t *e = q->elevator;
- if (q->last_merge == next)
- q->last_merge = NULL;
-
if (e->ops->elevator_merge_req_fn)
e->ops->elevator_merge_req_fn(q, rq, next);
+
+ q->last_merge = rq;
}
-/*
- * For careful internal use by the block layer. Essentially the same as
- * a requeue in that it tells the io scheduler that this request is not
- * active in the driver or hardware anymore, but we don't want the request
- * added back to the scheduler. Function is not exported.
- */
-void elv_deactivate_request(request_queue_t *q, struct request *rq)
+void elv_requeue_request(request_queue_t *q, struct request *rq)
{
elevator_t *e = q->elevator;
@@ -264,19 +302,14 @@ void elv_deactivate_request(request_queue_t *q, struct request *rq)
* it already went through dequeue, we need to decrement the
* in_flight count again
*/
- if (blk_account_rq(rq))
+ if (blk_account_rq(rq)) {
q->in_flight--;
+ if (blk_sorted_rq(rq) && e->ops->elevator_deactivate_req_fn)
+ e->ops->elevator_deactivate_req_fn(q, rq);
+ }
rq->flags &= ~REQ_STARTED;
- if (e->ops->elevator_deactivate_req_fn)
- e->ops->elevator_deactivate_req_fn(q, rq);
-}
-
-void elv_requeue_request(request_queue_t *q, struct request *rq)
-{
- elv_deactivate_request(q, rq);
-
/*
* if this is the flush, requeue the original instead and drop the flush
*/
@@ -285,31 +318,27 @@ void elv_requeue_request(request_queue_t *q, struct request *rq)
rq = rq->end_io_data;
}
- /*
- * the request is prepped and may have some resources allocated.
- * allowing unprepped requests to pass this one may cause resource
- * deadlock. turn on softbarrier.
- */
- rq->flags |= REQ_SOFTBARRIER;
-
- /*
- * if iosched has an explicit requeue hook, then use that. otherwise
- * just put the request at the front of the queue
- */
- if (q->elevator->ops->elevator_requeue_req_fn)
- q->elevator->ops->elevator_requeue_req_fn(q, rq);
- else
- __elv_add_request(q, rq, ELEVATOR_INSERT_FRONT, 0);
+ __elv_add_request(q, rq, ELEVATOR_INSERT_FRONT, 0);
}
void __elv_add_request(request_queue_t *q, struct request *rq, int where,
int plug)
{
- /*
- * barriers implicitly indicate back insertion
- */
- if (rq->flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER) &&
- where == ELEVATOR_INSERT_SORT)
+ if (rq->flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER)) {
+ /*
+ * barriers implicitly indicate back insertion
+ */
+ if (where == ELEVATOR_INSERT_SORT)
+ where = ELEVATOR_INSERT_BACK;
+
+ /*
+ * this request is scheduling boundary, update end_sector
+ */
+ if (blk_fs_request(rq)) {
+ q->end_sector = rq_end_sector(rq);
+ q->boundary_rq = rq;
+ }
+ } else if (!(rq->flags & REQ_ELVPRIV) && where == ELEVATOR_INSERT_SORT)
where = ELEVATOR_INSERT_BACK;
if (plug)
@@ -317,23 +346,54 @@ void __elv_add_request(request_queue_t *q, struct request *rq, int where,
rq->q = q;
- if (!test_bit(QUEUE_FLAG_DRAIN, &q->queue_flags)) {
- q->elevator->ops->elevator_add_req_fn(q, rq, where);
+ switch (where) {
+ case ELEVATOR_INSERT_FRONT:
+ rq->flags |= REQ_SOFTBARRIER;
- if (blk_queue_plugged(q)) {
- int nrq = q->rq.count[READ] + q->rq.count[WRITE]
- - q->in_flight;
+ list_add(&rq->queuelist, &q->queue_head);
+ break;
- if (nrq >= q->unplug_thresh)
- __generic_unplug_device(q);
- }
- } else
+ case ELEVATOR_INSERT_BACK:
+ rq->flags |= REQ_SOFTBARRIER;
+
+ while (q->elevator->ops->elevator_dispatch_fn(q, 1))
+ ;
+ list_add_tail(&rq->queuelist, &q->queue_head);
/*
- * if drain is set, store the request "locally". when the drain
- * is finished, the requests will be handed ordered to the io
- * scheduler
+ * We kick the queue here for the following reasons.
+ * - The elevator might have returned NULL previously
+ * to delay requests and returned them now. As the
+ * queue wasn't empty before this request, ll_rw_blk
+ * won't run the queue on return, resulting in hang.
+ * - Usually, back inserted requests won't be merged
+ * with anything. There's no point in delaying queue
+ * processing.
*/
- list_add_tail(&rq->queuelist, &q->drain_list);
+ blk_remove_plug(q);
+ q->request_fn(q);
+ break;
+
+ case ELEVATOR_INSERT_SORT:
+ BUG_ON(!blk_fs_request(rq));
+ rq->flags |= REQ_SORTED;
+ q->elevator->ops->elevator_add_req_fn(q, rq);
+ if (q->last_merge == NULL && rq_mergeable(rq))
+ q->last_merge = rq;
+ break;
+
+ default:
+ printk(KERN_ERR "%s: bad insertion point %d\n",
+ __FUNCTION__, where);
+ BUG();
+ }
+
+ if (blk_queue_plugged(q)) {
+ int nrq = q->rq.count[READ] + q->rq.count[WRITE]
+ - q->in_flight;
+
+ if (nrq >= q->unplug_thresh)
+ __generic_unplug_device(q);
+ }
}
void elv_add_request(request_queue_t *q, struct request *rq, int where,
@@ -348,13 +408,19 @@ void elv_add_request(request_queue_t *q, struct request *rq, int where,
static inline struct request *__elv_next_request(request_queue_t *q)
{
- struct request *rq = q->elevator->ops->elevator_next_req_fn(q);
+ struct request *rq;
+
+ if (unlikely(list_empty(&q->queue_head) &&
+ !q->elevator->ops->elevator_dispatch_fn(q, 0)))
+ return NULL;
+
+ rq = list_entry_rq(q->queue_head.next);
/*
* if this is a barrier write and the device has to issue a
* flush sequence to support it, check how far we are
*/
- if (rq && blk_fs_request(rq) && blk_barrier_rq(rq)) {
+ if (blk_fs_request(rq) && blk_barrier_rq(rq)) {
BUG_ON(q->ordered == QUEUE_ORDERED_NONE);
if (q->ordered == QUEUE_ORDERED_FLUSH &&
@@ -371,15 +437,30 @@ struct request *elv_next_request(request_queue_t *q)
int ret;
while ((rq = __elv_next_request(q)) != NULL) {
- /*
- * just mark as started even if we don't start it, a request
- * that has been delayed should not be passed by new incoming
- * requests
- */
- rq->flags |= REQ_STARTED;
+ if (!(rq->flags & REQ_STARTED)) {
+ elevator_t *e = q->elevator;
- if (rq == q->last_merge)
- q->last_merge = NULL;
+ /*
+ * This is the first time the device driver
+ * sees this request (possibly after
+ * requeueing). Notify IO scheduler.
+ */
+ if (blk_sorted_rq(rq) &&
+ e->ops->elevator_activate_req_fn)
+ e->ops->elevator_activate_req_fn(q, rq);
+
+ /*
+ * just mark as started even if we don't start
+ * it, a request that has been delayed should
+ * not be passed by new incoming requests
+ */
+ rq->flags |= REQ_STARTED;
+ }
+
+ if (!q->boundary_rq || q->boundary_rq == rq) {
+ q->end_sector = rq_end_sector(rq);
+ q->boundary_rq = NULL;
+ }
if ((rq->flags & REQ_DONTPREP) || !q->prep_rq_fn)
break;
@@ -391,9 +472,9 @@ struct request *elv_next_request(request_queue_t *q)
/*
* the request may have been (partially) prepped.
* we need to keep this request in the front to
- * avoid resource deadlock. turn on softbarrier.
+ * avoid resource deadlock. REQ_STARTED will
+ * prevent other fs requests from passing this one.
*/
- rq->flags |= REQ_SOFTBARRIER;
rq = NULL;
break;
} else if (ret == BLKPREP_KILL) {
@@ -416,42 +497,32 @@ struct request *elv_next_request(request_queue_t *q)
return rq;
}
-void elv_remove_request(request_queue_t *q, struct request *rq)
+void elv_dequeue_request(request_queue_t *q, struct request *rq)
{
- elevator_t *e = q->elevator;
+ BUG_ON(list_empty(&rq->queuelist));
+
+ list_del_init(&rq->queuelist);
/*
* the time frame between a request being removed from the lists
* and to it is freed is accounted as io that is in progress at
- * the driver side. note that we only account requests that the
- * driver has seen (REQ_STARTED set), to avoid false accounting
- * for request-request merges
+ * the driver side.
*/
if (blk_account_rq(rq))
q->in_flight++;
-
- /*
- * the main clearing point for q->last_merge is on retrieval of
- * request by driver (it calls elv_next_request()), but it _can_
- * also happen here if a request is added to the queue but later
- * deleted without ever being given to driver (merged with another
- * request).
- */
- if (rq == q->last_merge)
- q->last_merge = NULL;
-
- if (e->ops->elevator_remove_req_fn)
- e->ops->elevator_remove_req_fn(q, rq);
}
int elv_queue_empty(request_queue_t *q)
{
elevator_t *e = q->elevator;
+ if (!list_empty(&q->queue_head))
+ return 0;
+
if (e->ops->elevator_queue_empty_fn)
return e->ops->elevator_queue_empty_fn(q);
- return list_empty(&q->queue_head);
+ return 1;
}
struct request *elv_latter_request(request_queue_t *q, struct request *rq)
@@ -487,7 +558,7 @@ struct request *elv_former_request(request_queue_t *q, struct request *rq)
}
int elv_set_request(request_queue_t *q, struct request *rq, struct bio *bio,
- int gfp_mask)
+ gfp_t gfp_mask)
{
elevator_t *e = q->elevator;
@@ -523,11 +594,11 @@ void elv_completed_request(request_queue_t *q, struct request *rq)
/*
* request is released from the driver, io must be done
*/
- if (blk_account_rq(rq))
+ if (blk_account_rq(rq)) {
q->in_flight--;
-
- if (e->ops->elevator_completed_req_fn)
- e->ops->elevator_completed_req_fn(q, rq);
+ if (blk_sorted_rq(rq) && e->ops->elevator_completed_req_fn)
+ e->ops->elevator_completed_req_fn(q, rq);
+ }
}
int elv_register_queue(struct request_queue *q)
@@ -555,10 +626,9 @@ void elv_unregister_queue(struct request_queue *q)
int elv_register(struct elevator_type *e)
{
+ spin_lock_irq(&elv_list_lock);
if (elevator_find(e->elevator_name))
BUG();
-
- spin_lock_irq(&elv_list_lock);
list_add_tail(&e->list, &elv_list);
spin_unlock_irq(&elv_list_lock);
@@ -582,25 +652,36 @@ EXPORT_SYMBOL_GPL(elv_unregister);
* switch to new_e io scheduler. be careful not to introduce deadlocks -
* we don't free the old io scheduler, before we have allocated what we
* need for the new one. this way we have a chance of going back to the old
- * one, if the new one fails init for some reason. we also do an intermediate
- * switch to noop to ensure safety with stack-allocated requests, since they
- * don't originate from the block layer allocator. noop is safe here, because
- * it never needs to touch the elevator itself for completion events. DRAIN
- * flags will make sure we don't touch it for additions either.
+ * one, if the new one fails init for some reason.
*/
static void elevator_switch(request_queue_t *q, struct elevator_type *new_e)
{
- elevator_t *e = kmalloc(sizeof(elevator_t), GFP_KERNEL);
- struct elevator_type *noop_elevator = NULL;
- elevator_t *old_elevator;
+ elevator_t *old_elevator, *e;
+ /*
+ * Allocate new elevator
+ */
+ e = kmalloc(sizeof(elevator_t), GFP_KERNEL);
if (!e)
goto error;
/*
- * first step, drain requests from the block freelist
+ * Turn on BYPASS and drain all requests w/ elevator private data
*/
- blk_wait_queue_drained(q, 0);
+ spin_lock_irq(q->queue_lock);
+
+ set_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
+
+ while (q->elevator->ops->elevator_dispatch_fn(q, 1))
+ ;
+
+ while (q->rq.elvpriv) {
+ spin_unlock_irq(q->queue_lock);
+ msleep(10);
+ spin_lock_irq(q->queue_lock);
+ }
+
+ spin_unlock_irq(q->queue_lock);
/*
* unregister old elevator data
@@ -609,18 +690,6 @@ static void elevator_switch(request_queue_t *q, struct elevator_type *new_e)
old_elevator = q->elevator;
/*
- * next step, switch to noop since it uses no private rq structures
- * and doesn't allocate any memory for anything. then wait for any
- * non-fs requests in-flight
- */
- noop_elevator = elevator_get("noop");
- spin_lock_irq(q->queue_lock);
- elevator_attach(q, noop_elevator, e);
- spin_unlock_irq(q->queue_lock);
-
- blk_wait_queue_drained(q, 1);
-
- /*
* attach and start new elevator
*/
if (elevator_attach(q, new_e, e))
@@ -630,11 +699,10 @@ static void elevator_switch(request_queue_t *q, struct elevator_type *new_e)
goto fail_register;
/*
- * finally exit old elevator and start queue again
+ * finally exit old elevator and turn off BYPASS.
*/
elevator_exit(old_elevator);
- blk_finish_queue_drain(q);
- elevator_put(noop_elevator);
+ clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
return;
fail_register:
@@ -643,13 +711,13 @@ fail_register:
* one again (along with re-adding the sysfs dir)
*/
elevator_exit(e);
+ e = NULL;
fail:
q->elevator = old_elevator;
elv_register_queue(q);
- blk_finish_queue_drain(q);
+ clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
+ kfree(e);
error:
- if (noop_elevator)
- elevator_put(noop_elevator);
elevator_put(new_e);
printk(KERN_ERR "elevator: switch to %s failed\n",new_e->elevator_name);
}
@@ -701,11 +769,12 @@ ssize_t elv_iosched_show(request_queue_t *q, char *name)
return len;
}
+EXPORT_SYMBOL(elv_dispatch_sort);
EXPORT_SYMBOL(elv_add_request);
EXPORT_SYMBOL(__elv_add_request);
EXPORT_SYMBOL(elv_requeue_request);
EXPORT_SYMBOL(elv_next_request);
-EXPORT_SYMBOL(elv_remove_request);
+EXPORT_SYMBOL(elv_dequeue_request);
EXPORT_SYMBOL(elv_queue_empty);
EXPORT_SYMBOL(elv_completed_request);
EXPORT_SYMBOL(elevator_exit);
diff --git a/drivers/block/genhd.c b/drivers/block/genhd.c
index d42840cc0d1d..486ce1fdeb8c 100644
--- a/drivers/block/genhd.c
+++ b/drivers/block/genhd.c
@@ -337,10 +337,30 @@ static ssize_t disk_attr_show(struct kobject *kobj, struct attribute *attr,
return ret;
}
+static ssize_t disk_attr_store(struct kobject * kobj, struct attribute * attr,
+ const char *page, size_t count)
+{
+ struct gendisk *disk = to_disk(kobj);
+ struct disk_attribute *disk_attr =
+ container_of(attr,struct disk_attribute,attr);
+ ssize_t ret = 0;
+
+ if (disk_attr->store)
+ ret = disk_attr->store(disk, page, count);
+ return ret;
+}
+
static struct sysfs_ops disk_sysfs_ops = {
.show = &disk_attr_show,
+ .store = &disk_attr_store,
};
+static ssize_t disk_uevent_store(struct gendisk * disk,
+ const char *buf, size_t count)
+{
+ kobject_hotplug(&disk->kobj, KOBJ_ADD);
+ return count;
+}
static ssize_t disk_dev_read(struct gendisk * disk, char *page)
{
dev_t base = MKDEV(disk->major, disk->first_minor);
@@ -382,6 +402,10 @@ static ssize_t disk_stats_read(struct gendisk * disk, char *page)
jiffies_to_msecs(disk_stat_read(disk, io_ticks)),
jiffies_to_msecs(disk_stat_read(disk, time_in_queue)));
}
+static struct disk_attribute disk_attr_uevent = {
+ .attr = {.name = "uevent", .mode = S_IWUSR },
+ .store = disk_uevent_store
+};
static struct disk_attribute disk_attr_dev = {
.attr = {.name = "dev", .mode = S_IRUGO },
.show = disk_dev_read
@@ -404,6 +428,7 @@ static struct disk_attribute disk_attr_stat = {
};
static struct attribute * default_attrs[] = {
+ &disk_attr_uevent.attr,
&disk_attr_dev.attr,
&disk_attr_range.attr,
&disk_attr_removable.attr,
diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c
index baedac522945..0af73512b9a8 100644
--- a/drivers/block/ll_rw_blk.c
+++ b/drivers/block/ll_rw_blk.c
@@ -263,8 +263,6 @@ void blk_queue_make_request(request_queue_t * q, make_request_fn * mfn)
blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);
blk_queue_activity_fn(q, NULL, NULL);
-
- INIT_LIST_HEAD(&q->drain_list);
}
EXPORT_SYMBOL(blk_queue_make_request);
@@ -353,6 +351,8 @@ static void blk_pre_flush_end_io(struct request *flush_rq)
struct request *rq = flush_rq->end_io_data;
request_queue_t *q = rq->q;
+ elv_completed_request(q, flush_rq);
+
rq->flags |= REQ_BAR_PREFLUSH;
if (!flush_rq->errors)
@@ -369,6 +369,8 @@ static void blk_post_flush_end_io(struct request *flush_rq)
struct request *rq = flush_rq->end_io_data;
request_queue_t *q = rq->q;
+ elv_completed_request(q, flush_rq);
+
rq->flags |= REQ_BAR_POSTFLUSH;
q->end_flush_fn(q, flush_rq);
@@ -408,8 +410,6 @@ struct request *blk_start_pre_flush(request_queue_t *q, struct request *rq)
if (!list_empty(&rq->queuelist))
blkdev_dequeue_request(rq);
- elv_deactivate_request(q, rq);
-
flush_rq->end_io_data = rq;
flush_rq->end_io = blk_pre_flush_end_io;
@@ -1040,6 +1040,7 @@ EXPORT_SYMBOL(blk_queue_invalidate_tags);
static char *rq_flags[] = {
"REQ_RW",
"REQ_FAILFAST",
+ "REQ_SORTED",
"REQ_SOFTBARRIER",
"REQ_HARDBARRIER",
"REQ_CMD",
@@ -1047,6 +1048,7 @@ static char *rq_flags[] = {
"REQ_STARTED",
"REQ_DONTPREP",
"REQ_QUEUED",
+ "REQ_ELVPRIV",
"REQ_PC",
"REQ_BLOCK_PC",
"REQ_SENSE",
@@ -1637,9 +1639,9 @@ static int blk_init_free_list(request_queue_t *q)
rl->count[READ] = rl->count[WRITE] = 0;
rl->starved[READ] = rl->starved[WRITE] = 0;
+ rl->elvpriv = 0;
init_waitqueue_head(&rl->wait[READ]);
init_waitqueue_head(&rl->wait[WRITE]);
- init_waitqueue_head(&rl->drain);
rl->rq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
mempool_free_slab, request_cachep, q->node);
@@ -1652,13 +1654,13 @@ static int blk_init_free_list(request_queue_t *q)
static int __make_request(request_queue_t *, struct bio *);
-request_queue_t *blk_alloc_queue(int gfp_mask)
+request_queue_t *blk_alloc_queue(gfp_t gfp_mask)
{
return blk_alloc_queue_node(gfp_mask, -1);
}
EXPORT_SYMBOL(blk_alloc_queue);
-request_queue_t *blk_alloc_queue_node(int gfp_mask, int node_id)
+request_queue_t *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
{
request_queue_t *q;
@@ -1782,12 +1784,14 @@ EXPORT_SYMBOL(blk_get_queue);
static inline void blk_free_request(request_queue_t *q, struct request *rq)
{
- elv_put_request(q, rq);
+ if (rq->flags & REQ_ELVPRIV)
+ elv_put_request(q, rq);
mempool_free(rq, q->rq.rq_pool);
}
static inline struct request *
-blk_alloc_request(request_queue_t *q, int rw, struct bio *bio, int gfp_mask)
+blk_alloc_request(request_queue_t *q, int rw, struct bio *bio,
+ int priv, gfp_t gfp_mask)
{
struct request *rq = mempool_alloc(q->rq.rq_pool, gfp_mask);
@@ -1800,11 +1804,15 @@ blk_alloc_request(request_queue_t *q, int rw, struct bio *bio, int gfp_mask)
*/
rq->flags = rw;
- if (!elv_set_request(q, rq, bio, gfp_mask))
- return rq;
+ if (priv) {
+ if (unlikely(elv_set_request(q, rq, bio, gfp_mask))) {
+ mempool_free(rq, q->rq.rq_pool);
+ return NULL;
+ }
+ rq->flags |= REQ_ELVPRIV;
+ }
- mempool_free(rq, q->rq.rq_pool);
- return NULL;
+ return rq;
}
/*
@@ -1860,22 +1868,18 @@ static void __freed_request(request_queue_t *q, int rw)
* A request has just been released. Account for it, update the full and
* congestion status, wake up any waiters. Called under q->queue_lock.
*/
-static void freed_request(request_queue_t *q, int rw)
+static void freed_request(request_queue_t *q, int rw, int priv)
{
struct request_list *rl = &q->rq;
rl->count[rw]--;
+ if (priv)
+ rl->elvpriv--;
__freed_request(q, rw);
if (unlikely(rl->starved[rw ^ 1]))
__freed_request(q, rw ^ 1);
-
- if (!rl->count[READ] && !rl->count[WRITE]) {
- smp_mb();
- if (unlikely(waitqueue_active(&rl->drain)))
- wake_up(&rl->drain);
- }
}
#define blkdev_free_rq(list) list_entry((list)->next, struct request, queuelist)
@@ -1885,14 +1889,12 @@ static void freed_request(request_queue_t *q, int rw)
* Returns !NULL on success, with queue_lock *not held*.
*/
static struct request *get_request(request_queue_t *q, int rw, struct bio *bio,
- int gfp_mask)
+ gfp_t gfp_mask)
{
struct request *rq = NULL;
struct request_list *rl = &q->rq;
struct io_context *ioc = current_io_context(GFP_ATOMIC);
-
- if (unlikely(test_bit(QUEUE_FLAG_DRAIN, &q->queue_flags)))
- goto out;
+ int priv;
if (rl->count[rw]+1 >= q->nr_requests) {
/*
@@ -1937,9 +1939,14 @@ get_rq:
rl->starved[rw] = 0;
if (rl->count[rw] >= queue_congestion_on_threshold(q))
set_queue_congested(q, rw);
+
+ priv = !test_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
+ if (priv)
+ rl->elvpriv++;
+
spin_unlock_irq(q->queue_lock);
- rq = blk_alloc_request(q, rw, bio, gfp_mask);
+ rq = blk_alloc_request(q, rw, bio, priv, gfp_mask);
if (!rq) {
/*
* Allocation failed presumably due to memory. Undo anything
@@ -1949,7 +1956,7 @@ get_rq:
* wait queue, but this is pretty rare.
*/
spin_lock_irq(q->queue_lock);
- freed_request(q, rw);
+ freed_request(q, rw, priv);
/*
* in the very unlikely event that allocation failed and no
@@ -2019,7 +2026,7 @@ static struct request *get_request_wait(request_queue_t *q, int rw,
return rq;
}
-struct request *blk_get_request(request_queue_t *q, int rw, int gfp_mask)
+struct request *blk_get_request(request_queue_t *q, int rw, gfp_t gfp_mask)
{
struct request *rq;
@@ -2251,7 +2258,7 @@ EXPORT_SYMBOL(blk_rq_unmap_user);
* @gfp_mask: memory allocation flags
*/
int blk_rq_map_kern(request_queue_t *q, struct request *rq, void *kbuf,
- unsigned int len, unsigned int gfp_mask)
+ unsigned int len, gfp_t gfp_mask)
{
struct bio *bio;
@@ -2433,13 +2440,15 @@ void disk_round_stats(struct gendisk *disk)
{
unsigned long now = jiffies;
- __disk_stat_add(disk, time_in_queue,
- disk->in_flight * (now - disk->stamp));
- disk->stamp = now;
+ if (now == disk->stamp)
+ return;
- if (disk->in_flight)
- __disk_stat_add(disk, io_ticks, (now - disk->stamp_idle));
- disk->stamp_idle = now;
+ if (disk->in_flight) {
+ __disk_stat_add(disk, time_in_queue,
+ disk->in_flight * (now - disk->stamp));
+ __disk_stat_add(disk, io_ticks, (now - disk->stamp));
+ }
+ disk->stamp = now;
}
/*
@@ -2454,6 +2463,8 @@ static void __blk_put_request(request_queue_t *q, struct request *req)
if (unlikely(--req->ref_count))
return;
+ elv_completed_request(q, req);
+
req->rq_status = RQ_INACTIVE;
req->rl = NULL;
@@ -2463,26 +2474,25 @@ static void __blk_put_request(request_queue_t *q, struct request *req)
*/
if (rl) {
int rw = rq_data_dir(req);
-
- elv_completed_request(q, req);
+ int priv = req->flags & REQ_ELVPRIV;
BUG_ON(!list_empty(&req->queuelist));
blk_free_request(q, req);
- freed_request(q, rw);
+ freed_request(q, rw, priv);
}
}
void blk_put_request(struct request *req)
{
+ unsigned long flags;
+ request_queue_t *q = req->q;
+
/*
- * if req->rl isn't set, this request didnt originate from the
- * block layer, so it's safe to just disregard it
+ * Gee, IDE calls in w/ NULL q. Fix IDE and remove the
+ * following if (q) test.
*/
- if (req->rl) {
- unsigned long flags;
- request_queue_t *q = req->q;
-
+ if (q) {
spin_lock_irqsave(q->queue_lock, flags);
__blk_put_request(q, req);
spin_unlock_irqrestore(q->queue_lock, flags);
@@ -2797,97 +2807,6 @@ static inline void blk_partition_remap(struct bio *bio)
}
}
-void blk_finish_queue_drain(request_queue_t *q)
-{
- struct request_list *rl = &q->rq;
- struct request *rq;
- int requeued = 0;
-
- spin_lock_irq(q->queue_lock);
- clear_bit(QUEUE_FLAG_DRAIN, &q->queue_flags);
-
- while (!list_empty(&q->drain_list)) {
- rq = list_entry_rq(q->drain_list.next);
-
- list_del_init(&rq->queuelist);
- elv_requeue_request(q, rq);
- requeued++;
- }
-
- if (requeued)
- q->request_fn(q);
-
- spin_unlock_irq(q->queue_lock);
-
- wake_up(&rl->wait[0]);
- wake_up(&rl->wait[1]);
- wake_up(&rl->drain);
-}
-
-static int wait_drain(request_queue_t *q, struct request_list *rl, int dispatch)
-{
- int wait = rl->count[READ] + rl->count[WRITE];
-
- if (dispatch)
- wait += !list_empty(&q->queue_head);
-
- return wait;
-}
-
-/*
- * We rely on the fact that only requests allocated through blk_alloc_request()
- * have io scheduler private data structures associated with them. Any other
- * type of request (allocated on stack or through kmalloc()) should not go
- * to the io scheduler core, but be attached to the queue head instead.
- */
-void blk_wait_queue_drained(request_queue_t *q, int wait_dispatch)
-{
- struct request_list *rl = &q->rq;
- DEFINE_WAIT(wait);
-
- spin_lock_irq(q->queue_lock);
- set_bit(QUEUE_FLAG_DRAIN, &q->queue_flags);
-
- while (wait_drain(q, rl, wait_dispatch)) {
- prepare_to_wait(&rl->drain, &wait, TASK_UNINTERRUPTIBLE);
-
- if (wait_drain(q, rl, wait_dispatch)) {
- __generic_unplug_device(q);
- spin_unlock_irq(q->queue_lock);
- io_schedule();
- spin_lock_irq(q->queue_lock);
- }
-
- finish_wait(&rl->drain, &wait);
- }
-
- spin_unlock_irq(q->queue_lock);
-}
-
-/*
- * block waiting for the io scheduler being started again.
- */
-static inline void block_wait_queue_running(request_queue_t *q)
-{
- DEFINE_WAIT(wait);
-
- while (unlikely(test_bit(QUEUE_FLAG_DRAIN, &q->queue_flags))) {
- struct request_list *rl = &q->rq;
-
- prepare_to_wait_exclusive(&rl->drain, &wait,
- TASK_UNINTERRUPTIBLE);
-
- /*
- * re-check the condition. avoids using prepare_to_wait()
- * in the fast path (queue is running)
- */
- if (test_bit(QUEUE_FLAG_DRAIN, &q->queue_flags))
- io_schedule();
-
- finish_wait(&rl->drain, &wait);
- }
-}
-
static void handle_bad_sector(struct bio *bio)
{
char b[BDEVNAME_SIZE];
@@ -2983,8 +2902,6 @@ end_io:
if (unlikely(test_bit(QUEUE_FLAG_DEAD, &q->queue_flags)))
goto end_io;
- block_wait_queue_running(q);
-
/*
* If this device has partitions, remap block n
* of partition p to block n+start(p) of the disk.
@@ -3393,7 +3310,7 @@ void exit_io_context(void)
* but since the current task itself holds a reference, the context can be
* used in general code, so long as it stays within `current` context.
*/
-struct io_context *current_io_context(int gfp_flags)
+struct io_context *current_io_context(gfp_t gfp_flags)
{
struct task_struct *tsk = current;
struct io_context *ret;
@@ -3424,7 +3341,7 @@ EXPORT_SYMBOL(current_io_context);
*
* This is always called in the context of the task which submitted the I/O.
*/
-struct io_context *get_io_context(int gfp_flags)
+struct io_context *get_io_context(gfp_t gfp_flags)
{
struct io_context *ret;
ret = current_io_context(gfp_flags);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index b35e08876dd4..96c664af8d06 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -881,7 +881,7 @@ loop_init_xfer(struct loop_device *lo, struct loop_func_table *xfer,
static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
{
struct file *filp = lo->lo_backing_file;
- int gfp = lo->old_gfp_mask;
+ gfp_t gfp = lo->old_gfp_mask;
if (lo->lo_state != Lo_bound)
return -ENXIO;
diff --git a/drivers/block/noop-iosched.c b/drivers/block/noop-iosched.c
index b1730b62c37e..f56b8edb06e4 100644
--- a/drivers/block/noop-iosched.c
+++ b/drivers/block/noop-iosched.c
@@ -7,57 +7,19 @@
#include <linux/module.h>
#include <linux/init.h>
-/*
- * See if we can find a request that this buffer can be coalesced with.
- */
-static int elevator_noop_merge(request_queue_t *q, struct request **req,
- struct bio *bio)
-{
- int ret;
-
- ret = elv_try_last_merge(q, bio);
- if (ret != ELEVATOR_NO_MERGE)
- *req = q->last_merge;
-
- return ret;
-}
-
-static void elevator_noop_merge_requests(request_queue_t *q, struct request *req,
- struct request *next)
-{
- list_del_init(&next->queuelist);
-}
-
-static void elevator_noop_add_request(request_queue_t *q, struct request *rq,
- int where)
+static void elevator_noop_add_request(request_queue_t *q, struct request *rq)
{
- if (where == ELEVATOR_INSERT_FRONT)
- list_add(&rq->queuelist, &q->queue_head);
- else
- list_add_tail(&rq->queuelist, &q->queue_head);
-
- /*
- * new merges must not precede this barrier
- */
- if (rq->flags & REQ_HARDBARRIER)
- q->last_merge = NULL;
- else if (!q->last_merge)
- q->last_merge = rq;
+ elv_dispatch_add_tail(q, rq);
}
-static struct request *elevator_noop_next_request(request_queue_t *q)
+static int elevator_noop_dispatch(request_queue_t *q, int force)
{
- if (!list_empty(&q->queue_head))
- return list_entry_rq(q->queue_head.next);
-
- return NULL;
+ return 0;
}
static struct elevator_type elevator_noop = {
.ops = {
- .elevator_merge_fn = elevator_noop_merge,
- .elevator_merge_req_fn = elevator_noop_merge_requests,
- .elevator_next_req_fn = elevator_noop_next_request,
+ .elevator_dispatch_fn = elevator_noop_dispatch,
.elevator_add_req_fn = elevator_noop_add_request,
},
.elevator_name = "noop",
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index b3982395f22b..82f2d6d2eeef 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -674,7 +674,7 @@ static int __init pg_init(void)
for (unit = 0; unit < PG_UNITS; unit++) {
struct pg *dev = &devices[unit];
if (dev->present) {
- class_device_create(pg_class, MKDEV(major, unit),
+ class_device_create(pg_class, NULL, MKDEV(major, unit),
NULL, "pg%u", unit);
err = devfs_mk_cdev(MKDEV(major, unit),
S_IFCHR | S_IRUSR | S_IWUSR, "pg/%u",
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index d8d35233cf49..686c95573452 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -971,7 +971,7 @@ static int __init pt_init(void)
devfs_mk_dir("pt");
for (unit = 0; unit < PT_UNITS; unit++)
if (pt[unit].present) {
- class_device_create(pt_class, MKDEV(major, unit),
+ class_device_create(pt_class, NULL, MKDEV(major, unit),
NULL, "pt%d", unit);
err = devfs_mk_cdev(MKDEV(major, unit),
S_IFCHR | S_IRUSR | S_IWUSR,
@@ -980,7 +980,7 @@ static int __init pt_init(void)
class_device_destroy(pt_class, MKDEV(major, unit));
goto out_class;
}
- class_device_create(pt_class, MKDEV(major, unit + 128),
+ class_device_create(pt_class, NULL, MKDEV(major, unit + 128),
NULL, "pt%dn", unit);
err = devfs_mk_cdev(MKDEV(major, unit + 128),
S_IFCHR | S_IRUSR | S_IWUSR,
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 145c1fbffe01..68c60a5bcdab 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -348,7 +348,7 @@ static int rd_open(struct inode *inode, struct file *filp)
struct block_device *bdev = inode->i_bdev;
struct address_space *mapping;
unsigned bsize;
- int gfp_mask;
+ gfp_t gfp_mask;
inode = igrab(bdev->bd_inode);
rd_bdev[unit] = bdev;
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index d57007b92f77..1ded3b433459 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -1,7 +1,7 @@
/*
* sx8.c: Driver for Promise SATA SX8 looks-like-I2O hardware
*
- * Copyright 2004 Red Hat, Inc.
+ * Copyright 2004-2005 Red Hat, Inc.
*
* Author/maintainer: Jeff Garzik <jgarzik@pobox.com>
*
@@ -31,10 +31,6 @@
#include <asm/semaphore.h>
#include <asm/uaccess.h>
-MODULE_AUTHOR("Jeff Garzik");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Promise SATA SX8 block driver");
-
#if 0
#define CARM_DEBUG
#define CARM_VERBOSE_DEBUG
@@ -45,9 +41,35 @@ MODULE_DESCRIPTION("Promise SATA SX8 block driver");
#undef CARM_NDEBUG
#define DRV_NAME "sx8"
-#define DRV_VERSION "0.8"
+#define DRV_VERSION "1.0"
#define PFX DRV_NAME ": "
+MODULE_AUTHOR("Jeff Garzik");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Promise SATA SX8 block driver");
+MODULE_VERSION(DRV_VERSION);
+
+/*
+ * SX8 hardware has a single message queue for all ATA ports.
+ * When this driver was written, the hardware (firmware?) would
+ * corrupt data eventually, if more than one request was outstanding.
+ * As one can imagine, having 8 ports bottlenecking on a single
+ * command hurts performance.
+ *
+ * Based on user reports, later versions of the hardware (firmware?)
+ * seem to be able to survive with more than one command queued.
+ *
+ * Therefore, we default to the safe option -- 1 command -- but
+ * allow the user to increase this.
+ *
+ * SX8 should be able to support up to ~60 queued commands (CARM_MAX_REQ),
+ * but problems seem to occur when you exceed ~30, even on newer hardware.
+ */
+static int max_queue = 1;
+module_param(max_queue, int, 0444);
+MODULE_PARM_DESC(max_queue, "Maximum number of queued commands. (min==1, max==30, safe==1)");
+
+
#define NEXT_RESP(idx) ((idx + 1) % RMSG_Q_LEN)
/* 0xf is just arbitrary, non-zero noise; this is sorta like poisoning */
@@ -90,12 +112,10 @@ enum {
/* command message queue limits */
CARM_MAX_REQ = 64, /* max command msgs per host */
- CARM_MAX_Q = 1, /* one command at a time */
CARM_MSG_LOW_WATER = (CARM_MAX_REQ / 4), /* refill mark */
/* S/G limits, host-wide and per-request */
CARM_MAX_REQ_SG = 32, /* max s/g entries per request */
- CARM_SG_BOUNDARY = 0xffffUL, /* s/g segment boundary */
CARM_MAX_HOST_SG = 600, /* max s/g entries per host */
CARM_SG_LOW_WATER = (CARM_MAX_HOST_SG / 4), /* re-fill mark */
@@ -181,6 +201,10 @@ enum {
FL_DYN_MAJOR = (1 << 17),
};
+enum {
+ CARM_SG_BOUNDARY = 0xffffUL, /* s/g segment boundary */
+};
+
enum scatter_gather_types {
SGT_32BIT = 0,
SGT_64BIT = 1,
@@ -218,7 +242,6 @@ static const char *state_name[] = {
struct carm_port {
unsigned int port_no;
- unsigned int n_queued;
struct gendisk *disk;
struct carm_host *host;
@@ -448,7 +471,7 @@ static inline int carm_lookup_bucket(u32 msg_size)
for (i = 0; i < ARRAY_SIZE(msg_sizes); i++)
if (msg_size <= msg_sizes[i])
return i;
-
+
return -ENOENT;
}
@@ -509,7 +532,7 @@ static struct carm_request *carm_get_request(struct carm_host *host)
if (host->hw_sg_used >= (CARM_MAX_HOST_SG - CARM_MAX_REQ_SG))
return NULL;
- for (i = 0; i < CARM_MAX_Q; i++)
+ for (i = 0; i < max_queue; i++)
if ((host->msg_alloc & (1ULL << i)) == 0) {
struct carm_request *crq = &host->req[i];
crq->port = NULL;
@@ -521,14 +544,14 @@ static struct carm_request *carm_get_request(struct carm_host *host)
assert(host->n_msgs <= CARM_MAX_REQ);
return crq;
}
-
+
DPRINTK("no request available, returning NULL\n");
return NULL;
}
static int carm_put_request(struct carm_host *host, struct carm_request *crq)
{
- assert(crq->tag < CARM_MAX_Q);
+ assert(crq->tag < max_queue);
if (unlikely((host->msg_alloc & (1ULL << crq->tag)) == 0))
return -EINVAL; /* tried to clear a tag that was not active */
@@ -791,7 +814,7 @@ static inline void carm_end_rq(struct carm_host *host, struct carm_request *crq,
int is_ok)
{
carm_end_request_queued(host, crq, is_ok);
- if (CARM_MAX_Q == 1)
+ if (max_queue == 1)
carm_round_robin(host);
else if ((host->n_msgs <= CARM_MSG_LOW_WATER) &&
(host->hw_sg_used <= CARM_SG_LOW_WATER)) {
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index ed4d5006fe62..bfb23d543ff7 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1512,7 +1512,7 @@ static void ub_state_sense(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
scmd->nsg = 1;
sg = &scmd->sgv[0];
sg->page = virt_to_page(sc->top_sense);
- sg->offset = (unsigned int)sc->top_sense & (PAGE_SIZE-1);
+ sg->offset = (unsigned long)sc->top_sense & (PAGE_SIZE-1);
sg->length = UB_SENSE_SIZE;
scmd->len = UB_SENSE_SIZE;
scmd->lun = cmd->lun;
@@ -1891,7 +1891,7 @@ static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun,
cmd->nsg = 1;
sg = &cmd->sgv[0];
sg->page = virt_to_page(p);
- sg->offset = (unsigned int)p & (PAGE_SIZE-1);
+ sg->offset = (unsigned long)p & (PAGE_SIZE-1);
sg->length = 8;
cmd->len = 8;
cmd->lun = lun;
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 543f93e0f23f..b9fbe6e7f9ae 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -55,14 +55,6 @@ config BT_HCIUART_BCSP
Say Y here to compile support for HCI BCSP protocol.
-config BT_HCIUART_BCSP_TXCRC
- bool "Transmit CRC with every BCSP packet"
- depends on BT_HCIUART_BCSP
- help
- If you say Y here, a 16-bit CRC checksum will be transmitted along with
- every BCSP (BlueCore Serial Protocol) packet sent to the Bluetooth chip.
- This increases reliability, but slightly reduces efficiency.
-
config BT_HCIBCM203X
tristate "HCI BCM203x USB driver"
depends on USB
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 4fa85234d8b5..0db0400519c9 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -550,6 +550,9 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
if (ignore)
return -ENODEV;
+ if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
+ return -ENODEV;
+
data = kmalloc(sizeof(*data), GFP_KERNEL);
if (!data) {
BT_ERR("Can't allocate data structure");
diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index 0ee324e1265d..0a4761415ac3 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -1,35 +1,27 @@
-/*
- BlueCore Serial Protocol (BCSP) for Linux Bluetooth stack (BlueZ).
- Copyright 2002 by Fabrizio Gennari <fabrizio.gennari@philips.com>
-
- Based on
- hci_h4.c by Maxim Krasnyansky <maxk@qualcomm.com>
- ABCSP by Carl Orsborn <cjo@csr.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
-*/
-
/*
- * $Id: hci_bcsp.c,v 1.2 2002/09/26 05:05:14 maxk Exp $
+ *
+ * Bluetooth HCI UART driver
+ *
+ * Copyright (C) 2002-2003 Fabrizio Gennari <fabrizio.gennari@philips.com>
+ * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
*/
-#define VERSION "0.2"
-
#include <linux/config.h>
#include <linux/module.h>
@@ -52,16 +44,56 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
+
#include "hci_uart.h"
-#include "hci_bcsp.h"
#ifndef CONFIG_BT_HCIUART_DEBUG
#undef BT_DBG
#define BT_DBG( A... )
#endif
+#define VERSION "0.3"
+
+static int txcrc = 1;
static int hciextn = 1;
+#define BCSP_TXWINSIZE 4
+
+#define BCSP_ACK_PKT 0x05
+#define BCSP_LE_PKT 0x06
+
+struct bcsp_struct {
+ struct sk_buff_head unack; /* Unack'ed packets queue */
+ struct sk_buff_head rel; /* Reliable packets queue */
+ struct sk_buff_head unrel; /* Unreliable packets queue */
+
+ unsigned long rx_count;
+ struct sk_buff *rx_skb;
+ u8 rxseq_txack; /* rxseq == txack. */
+ u8 rxack; /* Last packet sent by us that the peer ack'ed */
+ struct timer_list tbcsp;
+
+ enum {
+ BCSP_W4_PKT_DELIMITER,
+ BCSP_W4_PKT_START,
+ BCSP_W4_BCSP_HDR,
+ BCSP_W4_DATA,
+ BCSP_W4_CRC
+ } rx_state;
+
+ enum {
+ BCSP_ESCSTATE_NOESC,
+ BCSP_ESCSTATE_ESC
+ } rx_esc_state;
+
+ u8 use_crc;
+ u16 message_crc;
+ u8 txack_req; /* Do we need to send ack's to the peer? */
+
+ /* Reliable packet sequence number - used to assign seq to each rel pkt. */
+ u8 msgq_txseq;
+};
+
/* ---- BCSP CRC calculation ---- */
/* Table for calculating CRC for polynomial 0x1021, LSB processed first,
@@ -111,6 +143,7 @@ static u16 bcsp_crc_reverse(u16 crc)
rev |= (crc & 1);
crc = crc >> 1;
}
+
return (rev);
}
@@ -119,6 +152,7 @@ static u16 bcsp_crc_reverse(u16 crc)
static void bcsp_slip_msgdelim(struct sk_buff *skb)
{
const char pkt_delim = 0xc0;
+
memcpy(skb_put(skb, 1), &pkt_delim, 1);
}
@@ -173,11 +207,8 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data,
{
struct sk_buff *nskb;
u8 hdr[4], chan;
- int rel, i;
-
-#ifdef CONFIG_BT_HCIUART_BCSP_TXCRC
u16 BCSP_CRC_INIT(bcsp_txmsg_crc);
-#endif
+ int rel, i;
switch (pkt_type) {
case HCI_ACLDATA_PKT:
@@ -240,9 +271,9 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data,
BT_DBG("Sending packet with seqno %u", bcsp->msgq_txseq);
bcsp->msgq_txseq = ++(bcsp->msgq_txseq) & 0x07;
}
-#ifdef CONFIG_BT_HCIUART_BCSP_TXCRC
- hdr[0] |= 0x40;
-#endif
+
+ if (bcsp->use_crc)
+ hdr[0] |= 0x40;
hdr[1] = ((len << 4) & 0xff) | chan;
hdr[2] = len >> 4;
@@ -251,25 +282,25 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data,
/* Put BCSP header */
for (i = 0; i < 4; i++) {
bcsp_slip_one_byte(nskb, hdr[i]);
-#ifdef CONFIG_BT_HCIUART_BCSP_TXCRC
- bcsp_crc_update(&bcsp_txmsg_crc, hdr[i]);
-#endif
+
+ if (bcsp->use_crc)
+ bcsp_crc_update(&bcsp_txmsg_crc, hdr[i]);
}
/* Put payload */
for (i = 0; i < len; i++) {
bcsp_slip_one_byte(nskb, data[i]);
-#ifdef CONFIG_BT_HCIUART_BCSP_TXCRC
- bcsp_crc_update(&bcsp_txmsg_crc, data[i]);
-#endif
+
+ if (bcsp->use_crc)
+ bcsp_crc_update(&bcsp_txmsg_crc, data[i]);
}
-#ifdef CONFIG_BT_HCIUART_BCSP_TXCRC
/* Put CRC */
- bcsp_txmsg_crc = bcsp_crc_reverse(bcsp_txmsg_crc);
- bcsp_slip_one_byte(nskb, (u8) ((bcsp_txmsg_crc >> 8) & 0x00ff));
- bcsp_slip_one_byte(nskb, (u8) (bcsp_txmsg_crc & 0x00ff));
-#endif
+ if (bcsp->use_crc) {
+ bcsp_txmsg_crc = bcsp_crc_reverse(bcsp_txmsg_crc);
+ bcsp_slip_one_byte(nskb, (u8) ((bcsp_txmsg_crc >> 8) & 0x00ff));
+ bcsp_slip_one_byte(nskb, (u8) (bcsp_txmsg_crc & 0x00ff));
+ }
bcsp_slip_msgdelim(nskb);
return nskb;
@@ -317,7 +348,6 @@ static struct sk_buff *bcsp_dequeue(struct hci_uart *hu)
spin_unlock_irqrestore(&bcsp->unack.lock, flags);
-
/* We could not send a reliable packet, either because there are
none or because there are too many unack'ed pkts. Did we receive
any packets we have not acknowledged yet ? */
@@ -363,7 +393,7 @@ static void bcsp_pkt_cull(struct bcsp_struct *bcsp)
BT_ERR("Peer acked invalid packet");
BT_DBG("Removing %u pkts out of %u, up to seqno %u",
- pkts_to_be_removed, bcsp->unack.qlen, (seqno - 1) & 0x07);
+ pkts_to_be_removed, bcsp->unack.qlen, (seqno - 1) & 0x07);
for (i = 0, skb = ((struct sk_buff *) &bcsp->unack)->next; i < pkts_to_be_removed
&& skb != (struct sk_buff *) &bcsp->unack; i++) {
@@ -374,8 +404,10 @@ static void bcsp_pkt_cull(struct bcsp_struct *bcsp)
kfree_skb(skb);
skb = nskb;
}
+
if (bcsp->unack.qlen == 0)
del_timer(&bcsp->tbcsp);
+
spin_unlock_irqrestore(&bcsp->unack.lock, flags);
if (i != pkts_to_be_removed)
@@ -530,6 +562,7 @@ static inline void bcsp_complete_rx_pkt(struct hci_uart *hu)
hci_recv_frame(bcsp->rx_skb);
}
+
bcsp->rx_state = BCSP_W4_PKT_DELIMITER;
bcsp->rx_skb = NULL;
}
@@ -598,8 +631,8 @@ static int bcsp_recv(struct hci_uart *hu, void *data, int count)
BT_ERR ("Checksum failed: computed %04x received %04x",
bcsp_crc_reverse(bcsp->message_crc),
- (bcsp->rx_skb-> data[bcsp->rx_skb->len - 2] << 8) +
- bcsp->rx_skb->data[bcsp->rx_skb->len - 1]);
+ (bcsp->rx_skb-> data[bcsp->rx_skb->len - 2] << 8) +
+ bcsp->rx_skb->data[bcsp->rx_skb->len - 1]);
kfree_skb(bcsp->rx_skb);
bcsp->rx_state = BCSP_W4_PKT_DELIMITER;
@@ -633,7 +666,7 @@ static int bcsp_recv(struct hci_uart *hu, void *data, int count)
bcsp->rx_count = 4;
bcsp->rx_esc_state = BCSP_ESCSTATE_NOESC;
BCSP_CRC_INIT(bcsp->message_crc);
-
+
/* Do not increment ptr or decrement count
* Allocate packet. Max len of a BCSP pkt=
* 0xFFF (payload) +4 (header) +2 (crc) */
@@ -698,6 +731,9 @@ static int bcsp_open(struct hci_uart *hu)
bcsp->rx_state = BCSP_W4_PKT_DELIMITER;
+ if (txcrc)
+ bcsp->use_crc = 1;
+
return 0;
}
@@ -718,18 +754,19 @@ static int bcsp_close(struct hci_uart *hu)
}
static struct hci_uart_proto bcsp = {
- .id = HCI_UART_BCSP,
- .open = bcsp_open,
- .close = bcsp_close,
- .enqueue = bcsp_enqueue,
- .dequeue = bcsp_dequeue,
- .recv = bcsp_recv,
- .flush = bcsp_flush
+ .id = HCI_UART_BCSP,
+ .open = bcsp_open,
+ .close = bcsp_close,
+ .enqueue = bcsp_enqueue,
+ .dequeue = bcsp_dequeue,
+ .recv = bcsp_recv,
+ .flush = bcsp_flush
};
int bcsp_init(void)
{
int err = hci_uart_register_proto(&bcsp);
+
if (!err)
BT_INFO("HCI BCSP protocol initialized");
else
@@ -743,5 +780,8 @@ int bcsp_deinit(void)
return hci_uart_unregister_proto(&bcsp);
}
+module_param(txcrc, bool, 0644);
+MODULE_PARM_DESC(txcrc, "Transmit CRC with every BCSP packet");
+
module_param(hciextn, bool, 0644);
MODULE_PARM_DESC(hciextn, "Convert HCI Extensions into BCSP packets");
diff --git a/drivers/bluetooth/hci_bcsp.h b/drivers/bluetooth/hci_bcsp.h
deleted file mode 100644
index a2b3bb92274b..000000000000
--- a/drivers/bluetooth/hci_bcsp.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- BlueCore Serial Protocol (BCSP) for Linux Bluetooth stack (BlueZ).
- Copyright 2002 by Fabrizio Gennari <fabrizio.gennari@philips.com>
-
- Based on
- hci_h4.c by Maxim Krasnyansky <maxk@qualcomm.com>
- ABCSP by Carl Orsborn <cjo@csr.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
-*/
-
-/*
- * $Id: hci_bcsp.h,v 1.2 2002/09/26 05:05:14 maxk Exp $
- */
-
-#ifndef __HCI_BCSP_H__
-#define __HCI_BCSP_H__
-
-#define BCSP_TXWINSIZE 4
-
-#define BCSP_ACK_PKT 0x05
-#define BCSP_LE_PKT 0x06
-
-struct bcsp_struct {
- struct sk_buff_head unack; /* Unack'ed packets queue */
- struct sk_buff_head rel; /* Reliable packets queue */
- struct sk_buff_head unrel; /* Unreliable packets queue */
-
- unsigned long rx_count;
- struct sk_buff *rx_skb;
- u8 rxseq_txack; /* rxseq == txack. */
- u8 rxack; /* Last packet sent by us that the peer ack'ed */
- struct timer_list tbcsp;
-
- enum {
- BCSP_W4_PKT_DELIMITER,
- BCSP_W4_PKT_START,
- BCSP_W4_BCSP_HDR,
- BCSP_W4_DATA,
- BCSP_W4_CRC
- } rx_state;
-
- enum {
- BCSP_ESCSTATE_NOESC,
- BCSP_ESCSTATE_ESC
- } rx_esc_state;
-
- u16 message_crc;
- u8 txack_req; /* Do we need to send ack's to the peer? */
-
- /* Reliable packet sequence number - used to assign seq to each rel pkt. */
- u8 msgq_txseq;
-};
-
-#endif /* __HCI_BCSP_H__ */
diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c
index cf8a22d58d96..12e369a66fc2 100644
--- a/drivers/bluetooth/hci_h4.c
+++ b/drivers/bluetooth/hci_h4.c
@@ -1,33 +1,27 @@
-/*
- BlueZ - Bluetooth protocol stack for Linux
- Copyright (C) 2000-2001 Qualcomm Incorporated
-
- Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
-*/
-
/*
- * Bluetooth HCI UART(H4) protocol.
*
- * $Id: hci_h4.c,v 1.3 2002/09/09 01:17:32 maxk Exp $
+ * Bluetooth HCI UART driver
+ *
+ * Copyright (C) 2000-2001 Qualcomm Incorporated
+ * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
+ * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
*/
-#define VERSION "1.2"
#include <linux/config.h>
#include <linux/module.h>
@@ -51,24 +45,41 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
+
#include "hci_uart.h"
-#include "hci_h4.h"
#ifndef CONFIG_BT_HCIUART_DEBUG
#undef BT_DBG
#define BT_DBG( A... )
#endif
+#define VERSION "1.2"
+
+struct h4_struct {
+ unsigned long rx_state;
+ unsigned long rx_count;
+ struct sk_buff *rx_skb;
+ struct sk_buff_head txq;
+};
+
+/* H4 receiver States */
+#define H4_W4_PACKET_TYPE 0
+#define H4_W4_EVENT_HDR 1
+#define H4_W4_ACL_HDR 2
+#define H4_W4_SCO_HDR 3
+#define H4_W4_DATA 4
+
/* Initialize protocol */
static int h4_open(struct hci_uart *hu)
{
struct h4_struct *h4;
-
+
BT_DBG("hu %p", hu);
-
+
h4 = kmalloc(sizeof(*h4), GFP_ATOMIC);
if (!h4)
return -ENOMEM;
+
memset(h4, 0, sizeof(*h4));
skb_queue_head_init(&h4->txq);
@@ -83,7 +94,9 @@ static int h4_flush(struct hci_uart *hu)
struct h4_struct *h4 = hu->priv;
BT_DBG("hu %p", hu);
+
skb_queue_purge(&h4->txq);
+
return 0;
}
@@ -91,16 +104,19 @@ static int h4_flush(struct hci_uart *hu)
static int h4_close(struct hci_uart *hu)
{
struct h4_struct *h4 = hu->priv;
+
hu->priv = NULL;
BT_DBG("hu %p", hu);
skb_queue_purge(&h4->txq);
+
if (h4->rx_skb)
kfree_skb(h4->rx_skb);
hu->priv = NULL;
kfree(h4);
+
return 0;
}
@@ -114,6 +130,7 @@ static int h4_enqueue(struct hci_uart *hu, struct sk_buff *skb)
/* Prepend skb with frame type */
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
skb_queue_tail(&h4->txq, skb);
+
return 0;
}
@@ -122,6 +139,7 @@ static inline int h4_check_data_len(struct h4_struct *h4, int len)
register int room = skb_tailroom(h4->rx_skb);
BT_DBG("len %d room %d", len, room);
+
if (!len) {
hci_recv_frame(h4->rx_skb);
} else if (len > room) {
@@ -136,6 +154,7 @@ static inline int h4_check_data_len(struct h4_struct *h4, int len)
h4->rx_state = H4_W4_PACKET_TYPE;
h4->rx_skb = NULL;
h4->rx_count = 0;
+
return 0;
}
@@ -228,6 +247,7 @@ static int h4_recv(struct hci_uart *hu, void *data, int count)
ptr++; count--;
continue;
};
+
ptr++; count--;
/* Allocate packet */
@@ -238,9 +258,11 @@ static int h4_recv(struct hci_uart *hu, void *data, int count)
h4->rx_count = 0;
return 0;
}
+
h4->rx_skb->dev = (void *) hu->hdev;
bt_cb(h4->rx_skb)->pkt_type = type;
}
+
return count;
}
@@ -251,23 +273,24 @@ static struct sk_buff *h4_dequeue(struct hci_uart *hu)
}
static struct hci_uart_proto h4p = {
- .id = HCI_UART_H4,
- .open = h4_open,
- .close = h4_close,
- .recv = h4_recv,
- .enqueue = h4_enqueue,
- .dequeue = h4_dequeue,
- .flush = h4_flush,
+ .id = HCI_UART_H4,
+ .open = h4_open,
+ .close = h4_close,
+ .recv = h4_recv,
+ .enqueue = h4_enqueue,
+ .dequeue = h4_dequeue,
+ .flush = h4_flush,
};
-
+
int h4_init(void)
{
int err = hci_uart_register_proto(&h4p);
+
if (!err)
BT_INFO("HCI H4 protocol initialized");
else
BT_ERR("HCI H4 protocol registration failed");
-
+
return err;
}
diff --git a/drivers/bluetooth/hci_h4.h b/drivers/bluetooth/hci_h4.h
deleted file mode 100644
index b95ff54bfd47..000000000000
--- a/drivers/bluetooth/hci_h4.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- BlueZ - Bluetooth protocol stack for Linux
- Copyright (C) 2000-2001 Qualcomm Incorporated
-
- Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
-*/
-
-/*
- * $Id: hci_h4.h,v 1.2 2002/09/09 01:17:32 maxk Exp $
- */
-
-#ifdef __KERNEL__
-struct h4_struct {
- unsigned long rx_state;
- unsigned long rx_count;
- struct sk_buff *rx_skb;
- struct sk_buff_head txq;
-};
-
-/* H4 receiver States */
-#define H4_W4_PACKET_TYPE 0
-#define H4_W4_EVENT_HDR 1
-#define H4_W4_ACL_HDR 2
-#define H4_W4_SCO_HDR 3
-#define H4_W4_DATA 4
-
-#endif /* __KERNEL__ */
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index aed80cc22890..4a775f6ea390 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -1,33 +1,27 @@
-/*
- BlueZ - Bluetooth protocol stack for Linux
- Copyright (C) 2000-2001 Qualcomm Incorporated
-
- Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
-*/
-
/*
- * Bluetooth HCI UART driver.
*
- * $Id: hci_ldisc.c,v 1.5 2002/10/02 18:37:20 maxk Exp $
+ * Bluetooth HCI UART driver
+ *
+ * Copyright (C) 2000-2001 Qualcomm Incorporated
+ * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
+ * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
*/
-#define VERSION "2.1"
#include <linux/config.h>
#include <linux/module.h>
@@ -59,6 +53,8 @@
#define BT_DBG( A... )
#endif
+#define VERSION "2.2"
+
static int reset = 0;
static struct hci_uart_proto *hup[HCI_UART_MAX_PROTO];
@@ -72,6 +68,7 @@ int hci_uart_register_proto(struct hci_uart_proto *p)
return -EEXIST;
hup[p->id] = p;
+
return 0;
}
@@ -84,6 +81,7 @@ int hci_uart_unregister_proto(struct hci_uart_proto *p)
return -EINVAL;
hup[p->id] = NULL;
+
return 0;
}
@@ -91,13 +89,14 @@ static struct hci_uart_proto *hci_uart_get_proto(unsigned int id)
{
if (id >= HCI_UART_MAX_PROTO)
return NULL;
+
return hup[id];
}
static inline void hci_uart_tx_complete(struct hci_uart *hu, int pkt_type)
{
struct hci_dev *hdev = hu->hdev;
-
+
/* Update HCI stat counters */
switch (pkt_type) {
case HCI_COMMAND_PKT:
@@ -117,10 +116,12 @@ static inline void hci_uart_tx_complete(struct hci_uart *hu, int pkt_type)
static inline struct sk_buff *hci_uart_dequeue(struct hci_uart *hu)
{
struct sk_buff *skb = hu->tx_skb;
+
if (!skb)
skb = hu->proto->dequeue(hu);
else
hu->tx_skb = NULL;
+
return skb;
}
@@ -129,7 +130,7 @@ int hci_uart_tx_wakeup(struct hci_uart *hu)
struct tty_struct *tty = hu->tty;
struct hci_dev *hdev = hu->hdev;
struct sk_buff *skb;
-
+
if (test_and_set_bit(HCI_UART_SENDING, &hu->tx_state)) {
set_bit(HCI_UART_TX_WAKEUP, &hu->tx_state);
return 0;
@@ -142,7 +143,7 @@ restart:
while ((skb = hci_uart_dequeue(hu))) {
int len;
-
+
set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
len = tty->driver->write(tty, skb->data, skb->len);
hdev->stat.byte_tx += len;
@@ -152,11 +153,11 @@ restart:
hu->tx_skb = skb;
break;
}
-
+
hci_uart_tx_complete(hu, bt_cb(skb)->pkt_type);
kfree_skb(skb);
- }
-
+ }
+
if (test_bit(HCI_UART_TX_WAKEUP, &hu->tx_state))
goto restart;
@@ -173,6 +174,7 @@ static int hci_uart_open(struct hci_dev *hdev)
/* Nothing to do for UART driver */
set_bit(HCI_RUNNING, &hdev->flags);
+
return 0;
}
@@ -234,6 +236,7 @@ static int hci_uart_send_frame(struct sk_buff *skb)
hu->proto->enqueue(hu, skb);
hci_uart_tx_wakeup(hu);
+
return 0;
}
@@ -241,7 +244,8 @@ static void hci_uart_destruct(struct hci_dev *hdev)
{
struct hci_uart *hu;
- if (!hdev) return;
+ if (!hdev)
+ return;
BT_DBG("%s", hdev->name);
@@ -272,6 +276,7 @@ static int hci_uart_tty_open(struct tty_struct *tty)
BT_ERR("Can't allocate controll structure");
return -ENFILE;
}
+
memset(hu, 0, sizeof(struct hci_uart));
tty->disc_data = hu;
@@ -280,8 +285,10 @@ static int hci_uart_tty_open(struct tty_struct *tty)
spin_lock_init(&hu->rx_lock);
/* Flush any pending characters in the driver and line discipline. */
+
/* FIXME: why is this needed. Note don't use ldisc_ref here as the
open path is before the ldisc is referencable */
+
if (tty->ldisc.flush_buffer)
tty->ldisc.flush_buffer(tty);
@@ -372,13 +379,13 @@ static int hci_uart_tty_room (struct tty_struct *tty)
static void hci_uart_tty_receive(struct tty_struct *tty, const __u8 *data, char *flags, int count)
{
struct hci_uart *hu = (void *)tty->disc_data;
-
+
if (!hu || tty != hu->tty)
return;
if (!test_bit(HCI_UART_PROTO_SET, &hu->flags))
return;
-
+
spin_lock(&hu->rx_lock);
hu->proto->recv(hu, (void *) data, count);
hu->hdev->stat.byte_rx += count;
@@ -429,8 +436,8 @@ static int hci_uart_register_dev(struct hci_uart *hu)
static int hci_uart_set_proto(struct hci_uart *hu, int id)
{
struct hci_uart_proto *p;
- int err;
-
+ int err;
+
p = hci_uart_get_proto(id);
if (!p)
return -EPROTONOSUPPORT;
@@ -446,6 +453,7 @@ static int hci_uart_set_proto(struct hci_uart *hu, int id)
p->close(hu);
return err;
}
+
return 0;
}
@@ -463,7 +471,7 @@ static int hci_uart_set_proto(struct hci_uart *hu, int id)
* Return Value: Command dependent
*/
static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
struct hci_uart *hu = (void *)tty->disc_data;
int err = 0;
@@ -483,14 +491,14 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
return err;
}
tty->low_latency = 1;
- } else
+ } else
return -EBUSY;
case HCIUARTGETPROTO:
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
return hu->proto->id;
return -EUNATCH;
-
+
default:
err = n_tty_ioctl(tty, file, cmd, arg);
break;
@@ -502,28 +510,24 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
/*
* We don't provide read/write/poll interface for user space.
*/
-static ssize_t hci_uart_tty_read(struct tty_struct *tty, struct file *file, unsigned char __user *buf, size_t nr)
+static ssize_t hci_uart_tty_read(struct tty_struct *tty, struct file *file,
+ unsigned char __user *buf, size_t nr)
{
return 0;
}
-static ssize_t hci_uart_tty_write(struct tty_struct *tty, struct file *file, const unsigned char *data, size_t count)
+
+static ssize_t hci_uart_tty_write(struct tty_struct *tty, struct file *file,
+ const unsigned char *data, size_t count)
{
return 0;
}
-static unsigned int hci_uart_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait)
+
+static unsigned int hci_uart_tty_poll(struct tty_struct *tty,
+ struct file *filp, poll_table *wait)
{
return 0;
}
-#ifdef CONFIG_BT_HCIUART_H4
-int h4_init(void);
-int h4_deinit(void);
-#endif
-#ifdef CONFIG_BT_HCIUART_BCSP
-int bcsp_init(void);
-int bcsp_deinit(void);
-#endif
-
static int __init hci_uart_init(void)
{
static struct tty_ldisc hci_uart_ldisc;
@@ -534,18 +538,18 @@ static int __init hci_uart_init(void)
/* Register the tty discipline */
memset(&hci_uart_ldisc, 0, sizeof (hci_uart_ldisc));
- hci_uart_ldisc.magic = TTY_LDISC_MAGIC;
- hci_uart_ldisc.name = "n_hci";
- hci_uart_ldisc.open = hci_uart_tty_open;
- hci_uart_ldisc.close = hci_uart_tty_close;
- hci_uart_ldisc.read = hci_uart_tty_read;
- hci_uart_ldisc.write = hci_uart_tty_write;
- hci_uart_ldisc.ioctl = hci_uart_tty_ioctl;
- hci_uart_ldisc.poll = hci_uart_tty_poll;
- hci_uart_ldisc.receive_room= hci_uart_tty_room;
- hci_uart_ldisc.receive_buf = hci_uart_tty_receive;
- hci_uart_ldisc.write_wakeup= hci_uart_tty_wakeup;
- hci_uart_ldisc.owner = THIS_MODULE;
+ hci_uart_ldisc.magic = TTY_LDISC_MAGIC;
+ hci_uart_ldisc.name = "n_hci";
+ hci_uart_ldisc.open = hci_uart_tty_open;
+ hci_uart_ldisc.close = hci_uart_tty_close;
+ hci_uart_ldisc.read = hci_uart_tty_read;
+ hci_uart_ldisc.write = hci_uart_tty_write;
+ hci_uart_ldisc.ioctl = hci_uart_tty_ioctl;
+ hci_uart_ldisc.poll = hci_uart_tty_poll;
+ hci_uart_ldisc.receive_room = hci_uart_tty_room;
+ hci_uart_ldisc.receive_buf = hci_uart_tty_receive;
+ hci_uart_ldisc.write_wakeup = hci_uart_tty_wakeup;
+ hci_uart_ldisc.owner = THIS_MODULE;
if ((err = tty_register_ldisc(N_HCI, &hci_uart_ldisc))) {
BT_ERR("HCI line discipline registration failed. (%d)", err);
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 0a57d72790ec..b250e6789dee 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -1,32 +1,29 @@
-/*
- BlueZ - Bluetooth protocol stack for Linux
- Copyright (C) 2000-2001 Qualcomm Incorporated
-
- Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License version 2 as
- published by the Free Software Foundation;
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
- IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
- SOFTWARE IS DISCLAIMED.
-*/
-
/*
- * $Id: hci_uart.h,v 1.2 2002/09/09 01:17:32 maxk Exp $
+ *
+ * Bluetooth HCI UART driver
+ *
+ * Copyright (C) 2000-2001 Qualcomm Incorporated
+ * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
+ * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
*/
-#ifndef N_HCI
+#ifndef N_HCI
#define N_HCI 15
#endif
@@ -42,7 +39,6 @@
#define HCI_UART_3WIRE 2
#define HCI_UART_H4DS 3
-#ifdef __KERNEL__
struct hci_uart;
struct hci_uart_proto {
@@ -56,27 +52,35 @@ struct hci_uart_proto {
};
struct hci_uart {
- struct tty_struct *tty;
- struct hci_dev *hdev;
- unsigned long flags;
+ struct tty_struct *tty;
+ struct hci_dev *hdev;
+ unsigned long flags;
- struct hci_uart_proto *proto;
- void *priv;
-
- struct sk_buff *tx_skb;
- unsigned long tx_state;
- spinlock_t rx_lock;
+ struct hci_uart_proto *proto;
+ void *priv;
+
+ struct sk_buff *tx_skb;
+ unsigned long tx_state;
+ spinlock_t rx_lock;
};
/* HCI_UART flag bits */
-#define HCI_UART_PROTO_SET 0
+#define HCI_UART_PROTO_SET 0
/* TX states */
-#define HCI_UART_SENDING 1
-#define HCI_UART_TX_WAKEUP 2
+#define HCI_UART_SENDING 1
+#define HCI_UART_TX_WAKEUP 2
int hci_uart_register_proto(struct hci_uart_proto *p);
int hci_uart_unregister_proto(struct hci_uart_proto *p);
int hci_uart_tx_wakeup(struct hci_uart *hu);
-#endif /* __KERNEL__ */
+#ifdef CONFIG_BT_HCIUART_H4
+int h4_init(void);
+int h4_deinit(void);
+#endif
+
+#ifdef CONFIG_BT_HCIUART_BCSP
+int bcsp_init(void);
+int bcsp_deinit(void);
+#endif
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 26271e3ca823..8693835cb2d5 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -515,7 +515,7 @@ static int __init dsp56k_init_driver(void)
err = PTR_ERR(dsp56k_class);
goto out_chrdev;
}
- class_device_create(dsp56k_class, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
+ class_device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), NULL, "dsp56k");
err = devfs_mk_cdev(MKDEV(DSP56K_MAJOR, 0),
S_IFCHR | S_IRUSR | S_IWUSR, "dsp56k");
diff --git a/drivers/char/ftape/zftape/zftape-init.c b/drivers/char/ftape/zftape/zftape-init.c
index 5745b74044ec..821357ce7e0e 100644
--- a/drivers/char/ftape/zftape/zftape-init.c
+++ b/drivers/char/ftape/zftape/zftape-init.c
@@ -331,27 +331,27 @@ KERN_INFO
zft_class = class_create(THIS_MODULE, "zft");
for (i = 0; i < 4; i++) {
- class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i), NULL, "qft%i", i);
+ class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i), NULL, "qft%i", i);
devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i),
S_IFCHR | S_IRUSR | S_IWUSR,
"qft%i", i);
- class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 4), NULL, "nqft%i", i);
+ class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 4), NULL, "nqft%i", i);
devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 4),
S_IFCHR | S_IRUSR | S_IWUSR,
"nqft%i", i);
- class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 16), NULL, "zqft%i", i);
+ class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 16), NULL, "zqft%i", i);
devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 16),
S_IFCHR | S_IRUSR | S_IWUSR,
"zqft%i", i);
- class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 20), NULL, "nzqft%i", i);
+ class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 20), NULL, "nzqft%i", i);
devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 20),
S_IFCHR | S_IRUSR | S_IWUSR,
"nzqft%i", i);
- class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 32), NULL, "rawqft%i", i);
+ class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 32), NULL, "rawqft%i", i);
devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 32),
S_IFCHR | S_IRUSR | S_IWUSR,
"rawqft%i", i);
- class_device_create(zft_class, MKDEV(QIC117_TAPE_MAJOR, i + 36), NULL, "nrawrawqft%i", i);
+ class_device_create(zft_class, NULL, MKDEV(QIC117_TAPE_MAJOR, i + 36), NULL, "nrawrawqft%i", i);
devfs_mk_cdev(MKDEV(QIC117_TAPE_MAJOR, i + 36),
S_IFCHR | S_IRUSR | S_IWUSR,
"nrawqft%i", i);
diff --git a/drivers/char/ip2main.c b/drivers/char/ip2main.c
index 9e4e26aef94e..d815d197dc3e 100644
--- a/drivers/char/ip2main.c
+++ b/drivers/char/ip2main.c
@@ -721,8 +721,9 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
}
if ( NULL != ( pB = i2BoardPtrTable[i] ) ) {
- class_device_create(ip2_class, MKDEV(IP2_IPL_MAJOR,
- 4 * i), NULL, "ipl%d", i);
+ class_device_create(ip2_class, NULL,
+ MKDEV(IP2_IPL_MAJOR, 4 * i),
+ NULL, "ipl%d", i);
err = devfs_mk_cdev(MKDEV(IP2_IPL_MAJOR, 4 * i),
S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR,
"ip2/ipl%d", i);
@@ -732,8 +733,9 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize)
goto out_class;
}
- class_device_create(ip2_class, MKDEV(IP2_IPL_MAJOR,
- 4 * i + 1), NULL, "stat%d", i);
+ class_device_create(ip2_class, NULL,
+ MKDEV(IP2_IPL_MAJOR, 4 * i + 1),
+ NULL, "stat%d", i);
err = devfs_mk_cdev(MKDEV(IP2_IPL_MAJOR, 4 * i + 1),
S_IRUSR | S_IWUSR | S_IRGRP | S_IFCHR,
"ip2/stat%d", i);
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index a09ff1080687..7c0684deea06 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -798,7 +798,7 @@ static void ipmi_new_smi(int if_num)
devfs_mk_cdev(dev, S_IFCHR | S_IRUSR | S_IWUSR,
"ipmidev/%d", if_num);
- class_device_create(ipmi_class, dev, NULL, "ipmi%d", if_num);
+ class_device_create(ipmi_class, NULL, dev, NULL, "ipmi%d", if_num);
}
static void ipmi_smi_gone(int if_num)
diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 9c19e5435a11..e3ddbdb85a2f 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -5246,7 +5246,8 @@ int __init stli_init(void)
devfs_mk_cdev(MKDEV(STL_SIOMEMMAJOR, i),
S_IFCHR | S_IRUSR | S_IWUSR,
"staliomem/%d", i);
- class_device_create(istallion_class, MKDEV(STL_SIOMEMMAJOR, i),
+ class_device_create(istallion_class, NULL,
+ MKDEV(STL_SIOMEMMAJOR, i),
NULL, "staliomem%d", i);
}
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index 2afb9038dbc5..e57260525293 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -805,7 +805,7 @@ static int lp_register(int nr, struct parport *port)
if (reset)
lp_reset(nr);
- class_device_create(lp_class, MKDEV(LP_MAJOR, nr), NULL,
+ class_device_create(lp_class, NULL, MKDEV(LP_MAJOR, nr), NULL,
"lp%d", nr);
devfs_mk_cdev(MKDEV(LP_MAJOR, nr), S_IFCHR | S_IRUGO | S_IWUGO,
"printers/%d", nr);
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index f182752fe918..38be4b0dbd1c 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -920,7 +920,8 @@ static int __init chr_dev_init(void)
mem_class = class_create(THIS_MODULE, "mem");
for (i = 0; i < ARRAY_SIZE(devlist); i++) {
- class_device_create(mem_class, MKDEV(MEM_MAJOR, devlist[i].minor),
+ class_device_create(mem_class, NULL,
+ MKDEV(MEM_MAJOR, devlist[i].minor),
NULL, devlist[i].name);
devfs_mk_cdev(MKDEV(MEM_MAJOR, devlist[i].minor),
S_IFCHR | devlist[i].mode, devlist[i].name);
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 0c8375165e29..3e4c0414a01a 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -234,7 +234,7 @@ int misc_register(struct miscdevice * misc)
}
dev = MKDEV(MISC_MAJOR, misc->minor);
- misc->class = class_device_create(misc_class, dev, misc->dev,
+ misc->class = class_device_create(misc_class, NULL, dev, misc->dev,
"%s", misc->name);
if (IS_ERR(misc->class)) {
err = PTR_ERR(misc->class);
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index c9bdf544ed2c..c556f4d3ccd7 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -62,7 +62,7 @@
static inline unsigned char *alloc_buf(void)
{
- unsigned int prio = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
+ gfp_t prio = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
if (PAGE_SIZE != N_TTY_BUF_SIZE)
return kmalloc(N_TTY_BUF_SIZE, prio);
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 1af733d07321..9e24bbd4090c 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -32,9 +32,11 @@
* added changelog
* 1.2 Erik Gilling: Cobalt Networks support
* Tim Hockin: general cleanup, Cobalt support
+ * 1.3 Jon Ringle: Comdial MP1000 support
+ *
*/
-#define NVRAM_VERSION "1.2"
+#define NVRAM_VERSION "1.3"
#include <linux/module.h>
#include <linux/config.h>
@@ -45,6 +47,7 @@
#define PC 1
#define ATARI 2
#define COBALT 3
+#define MP1000 4
/* select machine configuration */
#if defined(CONFIG_ATARI)
@@ -54,6 +57,9 @@
# if defined(CONFIG_COBALT)
# include <linux/cobalt-nvram.h>
# define MACH COBALT
+# elif defined(CONFIG_MACH_MP1000)
+# undef MACH
+# define MACH MP1000
# else
# define MACH PC
# endif
@@ -112,6 +118,23 @@
#endif
+#if MACH == MP1000
+
+/* RTC in a MP1000 */
+#define CHECK_DRIVER_INIT() 1
+
+#define MP1000_CKS_RANGE_START 0
+#define MP1000_CKS_RANGE_END 111
+#define MP1000_CKS_LOC 112
+
+#define NVRAM_BYTES (128-NVRAM_FIRST_BYTE)
+
+#define mach_check_checksum mp1000_check_checksum
+#define mach_set_checksum mp1000_set_checksum
+#define mach_proc_infos mp1000_proc_infos
+
+#endif
+
/* Note that *all* calls to CMOS_READ and CMOS_WRITE must be done with
* rtc_lock held. Due to the index-port/data-port design of the RTC, we
* don't want two different things trying to get to it at once. (e.g. the
@@ -915,6 +938,91 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len,
#endif /* MACH == ATARI */
+#if MACH == MP1000
+
+static int
+mp1000_check_checksum(void)
+{
+ int i;
+ unsigned short sum = 0;
+ unsigned short expect;
+
+ for (i = MP1000_CKS_RANGE_START; i <= MP1000_CKS_RANGE_END; ++i)
+ sum += __nvram_read_byte(i);
+
+ expect = __nvram_read_byte(MP1000_CKS_LOC+1)<<8 |
+ __nvram_read_byte(MP1000_CKS_LOC);
+ return ((sum & 0xffff) == expect);
+}
+
+static void
+mp1000_set_checksum(void)
+{
+ int i;
+ unsigned short sum = 0;
+
+ for (i = MP1000_CKS_RANGE_START; i <= MP1000_CKS_RANGE_END; ++i)
+ sum += __nvram_read_byte(i);
+ __nvram_write_byte(sum >> 8, MP1000_CKS_LOC + 1);
+ __nvram_write_byte(sum & 0xff, MP1000_CKS_LOC);
+}
+
+#ifdef CONFIG_PROC_FS
+
+#define SERVER_N_LEN 32
+#define PATH_N_LEN 32
+#define FILE_N_LEN 32
+#define NVRAM_MAGIC_SIG 0xdead
+
+typedef struct NvRamImage
+{
+ unsigned short int magic;
+ unsigned short int mode;
+ char fname[FILE_N_LEN];
+ char path[PATH_N_LEN];
+ char server[SERVER_N_LEN];
+ char pad[12];
+} NvRam;
+
+static int
+mp1000_proc_infos(unsigned char *nvram, char *buffer, int *len,
+ off_t *begin, off_t offset, int size)
+{
+ int checksum;
+ NvRam* nv = (NvRam*)nvram;
+
+ spin_lock_irq(&rtc_lock);
+ checksum = __nvram_check_checksum();
+ spin_unlock_irq(&rtc_lock);
+
+ PRINT_PROC("Checksum status: %svalid\n", checksum ? "" : "not ");
+
+ switch( nv->mode )
+ {
+ case 0 :
+ PRINT_PROC( "\tMode 0, tftp prompt\n" );
+ break;
+ case 1 :
+ PRINT_PROC( "\tMode 1, booting from disk\n" );
+ break;
+ case 2 :
+ PRINT_PROC( "\tMode 2, Alternate boot from disk /boot/%s\n", nv->fname );
+ break;
+ case 3 :
+ PRINT_PROC( "\tMode 3, Booting from net:\n" );
+ PRINT_PROC( "\t\t%s:%s%s\n",nv->server, nv->path, nv->fname );
+ break;
+ default:
+ PRINT_PROC( "\tInconsistant nvram?\n" );
+ break;
+ }
+
+ return 1;
+}
+#endif
+
+#endif /* MACH == MP1000 */
+
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(__nvram_read_byte);
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 0e22880432bc..306ee0f091a4 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -752,7 +752,7 @@ static struct file_operations pp_fops = {
static void pp_attach(struct parport *port)
{
- class_device_create(ppdev_class, MKDEV(PP_MAJOR, port->number),
+ class_device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number),
NULL, "parport%d", port->number);
}
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index f13e5de02207..30e4cbe16bb0 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -128,7 +128,7 @@ raw_ioctl(struct inode *inode, struct file *filp,
static void bind_device(struct raw_config_request *rq)
{
class_device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor));
- class_device_create(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor),
+ class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor),
NULL, "raw%d", rq->raw_minor);
}
@@ -307,7 +307,7 @@ static int __init raw_init(void)
unregister_chrdev_region(dev, MAX_RAW_MINORS);
goto error;
}
- class_device_create(raw_class, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
+ class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl");
devfs_mk_cdev(MKDEV(RAW_MAJOR, 0),
S_IFCHR | S_IRUGO | S_IWUGO,
diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index e1a90d9a8756..887b8b2d7882 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -519,30 +519,28 @@ static struct timespec s3c2410_rtc_delta;
static int ticnt_save;
-static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state, u32 level)
+static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state)
{
struct rtc_time tm;
struct timespec time;
time.tv_nsec = 0;
- if (level == SUSPEND_POWER_DOWN) {
- /* save TICNT for anyone using periodic interrupts */
+ /* save TICNT for anyone using periodic interrupts */
- ticnt_save = readb(S3C2410_TICNT);
+ ticnt_save = readb(S3C2410_TICNT);
- /* calculate time delta for suspend */
+ /* calculate time delta for suspend */
- s3c2410_rtc_gettime(&tm);
- rtc_tm_to_time(&tm, &time.tv_sec);
- save_time_delta(&s3c2410_rtc_delta, &time);
- s3c2410_rtc_enable(dev, 0);
- }
+ s3c2410_rtc_gettime(&tm);
+ rtc_tm_to_time(&tm, &time.tv_sec);
+ save_time_delta(&s3c2410_rtc_delta, &time);
+ s3c2410_rtc_enable(dev, 0);
return 0;
}
-static int s3c2410_rtc_resume(struct device *dev, u32 level)
+static int s3c2410_rtc_resume(struct device *dev)
{
struct rtc_time tm;
struct timespec time;
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index a025a89ea70a..0e7d216e7eb0 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -437,7 +437,7 @@ scdrv_init(void)
continue;
}
- class_device_create(snsc_class, dev, NULL,
+ class_device_create(snsc_class, NULL, dev, NULL,
"%s", devname);
ia64_sn_irtr_intr_enable(scd->scd_nasid,
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 36ae9ad2598c..f86c15587238 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -424,10 +424,6 @@ static struct sonypi_eventtypes {
#define SONYPI_BUF_SIZE 128
-/* The name of the devices for the input device drivers */
-#define SONYPI_JOG_INPUTNAME "Sony Vaio Jogdial"
-#define SONYPI_KEY_INPUTNAME "Sony Vaio Keys"
-
/* Correspondance table between sonypi events and input layer events */
static struct {
int sonypiev;
@@ -490,8 +486,8 @@ static struct sonypi_device {
struct fasync_struct *fifo_async;
int open_count;
int model;
- struct input_dev input_jog_dev;
- struct input_dev input_key_dev;
+ struct input_dev *input_jog_dev;
+ struct input_dev *input_key_dev;
struct work_struct input_work;
struct kfifo *input_fifo;
spinlock_t input_fifo_lock;
@@ -779,8 +775,8 @@ static void input_keyrelease(void *data)
static void sonypi_report_input_event(u8 event)
{
- struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
- struct input_dev *key_dev = &sonypi_device.input_key_dev;
+ struct input_dev *jog_dev = sonypi_device.input_jog_dev;
+ struct input_dev *key_dev = sonypi_device.input_key_dev;
struct sonypi_keypress kp = { NULL };
int i;
@@ -1171,19 +1167,17 @@ static int sonypi_disable(void)
#ifdef CONFIG_PM
static int old_camera_power;
-static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
+static int sonypi_suspend(struct device *dev, pm_message_t state)
{
- if (level == SUSPEND_DISABLE) {
- old_camera_power = sonypi_device.camera_power;
- sonypi_disable();
- }
+ old_camera_power = sonypi_device.camera_power;
+ sonypi_disable();
+
return 0;
}
-static int sonypi_resume(struct device *dev, u32 level)
+static int sonypi_resume(struct device *dev)
{
- if (level == RESUME_ENABLE)
- sonypi_enable(old_camera_power);
+ sonypi_enable(old_camera_power);
return 0;
}
#endif
@@ -1203,6 +1197,47 @@ static struct device_driver sonypi_driver = {
.shutdown = sonypi_shutdown,
};
+static int __devinit sonypi_create_input_devices(void)
+{
+ struct input_dev *jog_dev;
+ struct input_dev *key_dev;
+ int i;
+
+ sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
+ if (!jog_dev)
+ return -ENOMEM;
+
+ jog_dev->name = "Sony Vaio Jogdial";
+ jog_dev->id.bustype = BUS_ISA;
+ jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
+
+ jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
+ jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
+ jog_dev->relbit[0] = BIT(REL_WHEEL);
+
+ sonypi_device.input_key_dev = key_dev = input_allocate_device();
+ if (!key_dev) {
+ input_free_device(jog_dev);
+ sonypi_device.input_jog_dev = NULL;
+ return -ENOMEM;
+ }
+
+ key_dev->name = "Sony Vaio Keys";
+ key_dev->id.bustype = BUS_ISA;
+ key_dev->id.vendor = PCI_VENDOR_ID_SONY;
+
+ /* Initialize the Input Drivers: special keys */
+ key_dev->evbit[0] = BIT(EV_KEY);
+ for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
+ if (sonypi_inputkeys[i].inputev)
+ set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
+
+ input_register_device(jog_dev);
+ input_register_device(key_dev);
+
+ return 0;
+}
+
static int __devinit sonypi_probe(void)
{
int i, ret;
@@ -1298,34 +1333,10 @@ static int __devinit sonypi_probe(void)
}
if (useinput) {
- /* Initialize the Input Drivers: jogdial */
- int i;
- sonypi_device.input_jog_dev.evbit[0] =
- BIT(EV_KEY) | BIT(EV_REL);
- sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
- BIT(BTN_MIDDLE);
- sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
- sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
- sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
- sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
-
- input_register_device(&sonypi_device.input_jog_dev);
- printk(KERN_INFO "%s input method installed.\n",
- sonypi_device.input_jog_dev.name);
-
- /* Initialize the Input Drivers: special keys */
- sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
- for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
- if (sonypi_inputkeys[i].inputev)
- set_bit(sonypi_inputkeys[i].inputev,
- sonypi_device.input_key_dev.keybit);
- sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
- sonypi_device.input_key_dev.id.bustype = BUS_ISA;
- sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
- input_register_device(&sonypi_device.input_key_dev);
- printk(KERN_INFO "%s input method installed.\n",
- sonypi_device.input_key_dev.name);
+ ret = sonypi_create_input_devices();
+ if (ret)
+ goto out_inputdevices;
spin_lock_init(&sonypi_device.input_fifo_lock);
sonypi_device.input_fifo =
@@ -1375,8 +1386,9 @@ static int __devinit sonypi_probe(void)
out_platformdev:
kfifo_free(sonypi_device.input_fifo);
out_infifo:
- input_unregister_device(&sonypi_device.input_key_dev);
- input_unregister_device(&sonypi_device.input_jog_dev);
+ input_unregister_device(sonypi_device.input_key_dev);
+ input_unregister_device(sonypi_device.input_jog_dev);
+out_inputdevices:
free_irq(sonypi_device.irq, sonypi_irq);
out_reqirq:
release_region(sonypi_device.ioport1, sonypi_device.region_size);
@@ -1402,8 +1414,8 @@ static void __devexit sonypi_remove(void)
platform_device_unregister(sonypi_device.pdev);
if (useinput) {
- input_unregister_device(&sonypi_device.input_key_dev);
- input_unregister_device(&sonypi_device.input_jog_dev);
+ input_unregister_device(sonypi_device.input_key_dev);
+ input_unregister_device(sonypi_device.input_jog_dev);
kfifo_free(sonypi_device.input_fifo);
}
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 951545a6ef2d..1c686414e0a1 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -3095,7 +3095,9 @@ static int __init stl_init(void)
devfs_mk_cdev(MKDEV(STL_SIOMEMMAJOR, i),
S_IFCHR|S_IRUSR|S_IWUSR,
"staliomem/%d", i);
- class_device_create(stallion_class, MKDEV(STL_SIOMEMMAJOR, i), NULL, "staliomem%d", i);
+ class_device_create(stallion_class, NULL,
+ MKDEV(STL_SIOMEMMAJOR, i), NULL,
+ "staliomem%d", i);
}
stl_serial->owner = THIS_MODULE;
diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c
index ec78d2f161f7..41a94bc79f67 100644
--- a/drivers/char/tipar.c
+++ b/drivers/char/tipar.c
@@ -436,7 +436,7 @@ tipar_register(int nr, struct parport *port)
goto out;
}
- class_device_create(tipar_class, MKDEV(TIPAR_MAJOR,
+ class_device_create(tipar_class, NULL, MKDEV(TIPAR_MAJOR,
TIPAR_MINOR + nr), NULL, "par%d", nr);
/* Use devfs, tree: /dev/ticables/par/[0..2] */
err = devfs_mk_cdev(MKDEV(TIPAR_MAJOR, TIPAR_MINOR + nr),
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index e5953f3433f3..f5649a337743 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2728,7 +2728,7 @@ void tty_register_device(struct tty_driver *driver, unsigned index,
pty_line_name(driver, index, name);
else
tty_line_name(driver, index, name);
- class_device_create(tty_class, dev, device, name);
+ class_device_create(tty_class, NULL, dev, device, "%s", name);
}
/**
@@ -2983,14 +2983,14 @@ static int __init tty_init(void)
register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0)
panic("Couldn't register /dev/tty driver\n");
devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 0), S_IFCHR|S_IRUGO|S_IWUGO, "tty");
- class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty");
+ class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty");
cdev_init(&console_cdev, &console_fops);
if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) ||
register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0)
panic("Couldn't register /dev/console driver\n");
devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 1), S_IFCHR|S_IRUSR|S_IWUSR, "console");
- class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 1), NULL, "console");
+ class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), NULL, "console");
#ifdef CONFIG_UNIX98_PTYS
cdev_init(&ptmx_cdev, &ptmx_fops);
@@ -2998,7 +2998,7 @@ static int __init tty_init(void)
register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0)
panic("Couldn't register /dev/ptmx driver\n");
devfs_mk_cdev(MKDEV(TTYAUX_MAJOR, 2), S_IFCHR|S_IRUGO|S_IWUGO, "ptmx");
- class_device_create(tty_class, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx");
+ class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx");
#endif
#ifdef CONFIG_VT
@@ -3007,7 +3007,7 @@ static int __init tty_init(void)
register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0)
panic("Couldn't register /dev/tty0 driver\n");
devfs_mk_cdev(MKDEV(TTY_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vc/0");
- class_device_create(tty_class, MKDEV(TTY_MAJOR, 0), NULL, "tty0");
+ class_device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), NULL, "tty0");
vty_init();
#endif
diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
index 79c2928a8817..f66c7ad6fd38 100644
--- a/drivers/char/vc_screen.c
+++ b/drivers/char/vc_screen.c
@@ -484,8 +484,10 @@ void vcs_make_devfs(struct tty_struct *tty)
devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 129),
S_IFCHR|S_IRUSR|S_IWUSR,
"vcc/a%u", tty->index + 1);
- class_device_create(vc_class, MKDEV(VCS_MAJOR, tty->index + 1), NULL, "vcs%u", tty->index + 1);
- class_device_create(vc_class, MKDEV(VCS_MAJOR, tty->index + 129), NULL, "vcsa%u", tty->index + 1);
+ class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1),
+ NULL, "vcs%u", tty->index + 1);
+ class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129),
+ NULL, "vcsa%u", tty->index + 1);
}
void vcs_remove_devfs(struct tty_struct *tty)
{
@@ -503,7 +505,7 @@ int __init vcs_init(void)
devfs_mk_cdev(MKDEV(VCS_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/0");
devfs_mk_cdev(MKDEV(VCS_MAJOR, 128), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/a0");
- class_device_create(vc_class, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
- class_device_create(vc_class, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
+ class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs");
+ class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa");
return 0;
}
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 0aff45fac2e6..a5e104f428f8 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -956,9 +956,9 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id)
state[i].cur_part = 0;
for (j = 0; j < MAX_PARTITIONS; ++j)
state[i].part_stat_rwi[j] = VIOT_IDLE;
- class_device_create(tape_class, MKDEV(VIOTAPE_MAJOR, i), NULL,
+ class_device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i), NULL,
"iseries!vt%d", i);
- class_device_create(tape_class, MKDEV(VIOTAPE_MAJOR, i | 0x80),
+ class_device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80),
NULL, "iseries!nvt%d", i);
devfs_mk_cdev(MKDEV(VIOTAPE_MAJOR, i), S_IFCHR | S_IRUSR | S_IWUSR,
"iseries/vt%d", i);
diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 3625b2601b42..b732020acadb 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -464,32 +464,28 @@ static void s3c2410wdt_shutdown(struct device *dev)
static unsigned long wtcon_save;
static unsigned long wtdat_save;
-static int s3c2410wdt_suspend(struct device *dev, pm_message_t state, u32 level)
+static int s3c2410wdt_suspend(struct device *dev, pm_message_t state)
{
- if (level == SUSPEND_POWER_DOWN) {
- /* Save watchdog state, and turn it off. */
- wtcon_save = readl(wdt_base + S3C2410_WTCON);
- wtdat_save = readl(wdt_base + S3C2410_WTDAT);
+ /* Save watchdog state, and turn it off. */
+ wtcon_save = readl(wdt_base + S3C2410_WTCON);
+ wtdat_save = readl(wdt_base + S3C2410_WTDAT);
- /* Note that WTCNT doesn't need to be saved. */
- s3c2410wdt_stop();
- }
+ /* Note that WTCNT doesn't need to be saved. */
+ s3c2410wdt_stop();
return 0;
}
-static int s3c2410wdt_resume(struct device *dev, u32 level)
+static int s3c2410wdt_resume(struct device *dev)
{
- if (level == RESUME_POWER_ON) {
- /* Restore watchdog state. */
+ /* Restore watchdog state. */
- writel(wtdat_save, wdt_base + S3C2410_WTDAT);
- writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */
- writel(wtcon_save, wdt_base + S3C2410_WTCON);
+ writel(wtdat_save, wdt_base + S3C2410_WTDAT);
+ writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */
+ writel(wtcon_save, wdt_base + S3C2410_WTCON);
- printk(KERN_INFO PFX "watchdog %sabled\n",
- (wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis");
- }
+ printk(KERN_INFO PFX "watchdog %sabled\n",
+ (wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis");
return 0;
}
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index e928cdb041cb..8102876c7c3f 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -121,7 +121,7 @@ static int adm1021_write_value(struct i2c_client *client, u8 reg,
static struct adm1021_data *adm1021_update_device(struct device *dev);
/* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */
-static int read_only = 0;
+static int read_only;
/* This is the driver that will be inserted */
@@ -204,11 +204,10 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access adm1021_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct adm1021_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct adm1021_data), GFP_KERNEL))) {
err = -ENOMEM;
goto error0;
}
- memset(data, 0, sizeof(struct adm1021_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 526b7ff179eb..3ec12421694f 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -331,11 +331,10 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct adm1025_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct adm1025_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct adm1025_data));
/* The common I2C client data is placed right before the
ADM1025-specific data. */
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index 625158110fd4..e0f56549d1d8 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -315,7 +315,7 @@ static struct i2c_driver adm1026_driver = {
.detach_client = adm1026_detach_client,
};
-int adm1026_attach_adapter(struct i2c_adapter *adapter)
+static int adm1026_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON)) {
return 0;
@@ -323,7 +323,7 @@ int adm1026_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, adm1026_detect);
}
-int adm1026_detach_client(struct i2c_client *client)
+static int adm1026_detach_client(struct i2c_client *client)
{
struct adm1026_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
@@ -332,7 +332,7 @@ int adm1026_detach_client(struct i2c_client *client)
return 0;
}
-int adm1026_read_value(struct i2c_client *client, u8 reg)
+static int adm1026_read_value(struct i2c_client *client, u8 reg)
{
int res;
@@ -346,7 +346,7 @@ int adm1026_read_value(struct i2c_client *client, u8 reg)
return res;
}
-int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
+static int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
{
int res;
@@ -360,7 +360,7 @@ int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
return res;
}
-void adm1026_init_client(struct i2c_client *client)
+static void adm1026_init_client(struct i2c_client *client)
{
int value, i;
struct adm1026_data *data = i2c_get_clientdata(client);
@@ -460,7 +460,7 @@ void adm1026_init_client(struct i2c_client *client)
}
}
-void adm1026_print_gpio(struct i2c_client *client)
+static void adm1026_print_gpio(struct i2c_client *client)
{
struct adm1026_data *data = i2c_get_clientdata(client);
int i;
@@ -492,7 +492,7 @@ void adm1026_print_gpio(struct i2c_client *client)
}
}
-void adm1026_fixup_gpio(struct i2c_client *client)
+static void adm1026_fixup_gpio(struct i2c_client *client)
{
struct adm1026_data *data = i2c_get_clientdata(client);
int i;
@@ -1452,8 +1452,8 @@ static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
-int adm1026_detect(struct i2c_adapter *adapter, int address,
- int kind)
+static int adm1026_detect(struct i2c_adapter *adapter, int address,
+ int kind)
{
int company, verstep;
struct i2c_client *new_client;
@@ -1470,13 +1470,11 @@ int adm1026_detect(struct i2c_adapter *adapter, int address,
client structure, even though we cannot fill it completely yet.
But it allows us to access adm1026_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct adm1026_data));
-
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 58338ed7c8a1..7c545d5eee45 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -740,11 +740,10 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct adm1031_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct adm1031_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct adm1031_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index bc7faef162f7..11dc95f8a17e 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -45,6 +45,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
+#include <linux/hwmon-sysfs.h>
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
@@ -69,8 +70,7 @@ I2C_CLIENT_INSMOD_3(adm9240, ds1780, lm81);
#define ADM9240_REG_INT(nr) (0x41 + (nr))
#define ADM9240_REG_INT_MASK(nr) (0x43 + (nr))
#define ADM9240_REG_TEMP 0x27
-#define ADM9240_REG_TEMP_HIGH 0x39
-#define ADM9240_REG_TEMP_HYST 0x3a
+#define ADM9240_REG_TEMP_MAX(nr) (0x39 + (nr)) /* 0, 1 = high, hyst */
#define ADM9240_REG_ANALOG_OUT 0x19
#define ADM9240_REG_CHASSIS_CLEAR 0x46
#define ADM9240_REG_VID_FAN_DIV 0x47
@@ -162,177 +162,155 @@ struct adm9240_data {
u8 fan_min[2]; /* rw fan1_min */
u8 fan_div[2]; /* rw fan1_div, read-only accessor */
s16 temp; /* ro temp1_input, 9-bit sign-extended */
- s8 temp_high; /* rw temp1_max */
- s8 temp_hyst; /* rw temp1_max_hyst */
+ s8 temp_max[2]; /* rw 0 -> temp_max, 1 -> temp_max_hyst */
u16 alarms; /* ro alarms */
u8 aout; /* rw aout_output */
u8 vid; /* ro vid */
u8 vrm; /* -- vrm set on startup, no accessor */
};
-/* i2c byte read/write interface */
-static int adm9240_read_value(struct i2c_client *client, u8 reg)
+/*** sysfs accessors ***/
+
+/* temperature */
+static ssize_t show_temp(struct device *dev, struct device_attribute *dummy,
+ char *buf)
{
- return i2c_smbus_read_byte_data(client, reg);
+ struct adm9240_data *data = adm9240_update_device(dev);
+ return sprintf(buf, "%d\n", data->temp * 500); /* 9-bit value */
}
-static int adm9240_write_value(struct i2c_client *client, u8 reg, u8 value)
+static ssize_t show_max(struct device *dev, struct device_attribute *devattr,
+ char *buf)
{
- return i2c_smbus_write_byte_data(client, reg, value);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct adm9240_data *data = adm9240_update_device(dev);
+ return sprintf(buf, "%d\n", data->temp_max[attr->index] * 1000);
}
-/*** sysfs accessors ***/
+static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ struct i2c_client *client = to_i2c_client(dev);
+ struct adm9240_data *data = i2c_get_clientdata(client);
+ long val = simple_strtol(buf, NULL, 10);
+
+ down(&data->update_lock);
+ data->temp_max[attr->index] = TEMP_TO_REG(val);
+ i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index),
+ data->temp_max[attr->index]);
+ up(&data->update_lock);
+ return count;
+}
-/* temperature */
-#define show_temp(value, scale) \
-static ssize_t show_##value(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- struct adm9240_data *data = adm9240_update_device(dev); \
- return sprintf(buf, "%d\n", data->value * scale); \
-}
-show_temp(temp_high, 1000);
-show_temp(temp_hyst, 1000);
-show_temp(temp, 500); /* 0.5'C per bit */
-
-#define set_temp(value, reg) \
-static ssize_t set_##value(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct i2c_client *client = to_i2c_client(dev); \
- struct adm9240_data *data = adm9240_update_device(dev); \
- long temp = simple_strtoul(buf, NULL, 10); \
- \
- down(&data->update_lock); \
- data->value = TEMP_TO_REG(temp); \
- adm9240_write_value(client, reg, data->value); \
- up(&data->update_lock); \
- return count; \
-}
-
-set_temp(temp_high, ADM9240_REG_TEMP_HIGH);
-set_temp(temp_hyst, ADM9240_REG_TEMP_HYST);
-
-static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
- show_temp_high, set_temp_high);
-static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
- show_temp_hyst, set_temp_hyst);
static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
+ show_max, set_max, 0);
+static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO,
+ show_max, set_max, 1);
/* voltage */
-static ssize_t show_in(struct device *dev, char *buf, int nr)
+static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
+ char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm9240_data *data = adm9240_update_device(dev);
- return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr], nr));
+ return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index],
+ attr->index));
}
-static ssize_t show_in_min(struct device *dev, char *buf, int nr)
+static ssize_t show_in_min(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm9240_data *data = adm9240_update_device(dev);
- return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr], nr));
+ return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index],
+ attr->index));
}
-static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+static ssize_t show_in_max(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm9240_data *data = adm9240_update_device(dev);
- return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr], nr));
+ return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index],
+ attr->index));
}
-static ssize_t set_in_min(struct device *dev, const char *buf,
- size_t count, int nr)
+static ssize_t set_in_min(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
- data->in_min[nr] = IN_TO_REG(val, nr);
- adm9240_write_value(client, ADM9240_REG_IN_MIN(nr), data->in_min[nr]);
+ data->in_min[attr->index] = IN_TO_REG(val, attr->index);
+ i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index),
+ data->in_min[attr->index]);
up(&data->update_lock);
return count;
}
-static ssize_t set_in_max(struct device *dev, const char *buf,
- size_t count, int nr)
+static ssize_t set_in_max(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
- data->in_max[nr] = IN_TO_REG(val, nr);
- adm9240_write_value(client, ADM9240_REG_IN_MAX(nr), data->in_max[nr]);
+ data->in_max[attr->index] = IN_TO_REG(val, attr->index);
+ i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index),
+ data->in_max[attr->index]);
up(&data->update_lock);
return count;
}
-#define show_in_offset(offset) \
-static ssize_t show_in##offset(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- return show_in(dev, buf, offset); \
-} \
-static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL); \
-static ssize_t show_in##offset##_min(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- return show_in_min(dev, buf, offset); \
-} \
-static ssize_t show_in##offset##_max(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
- return show_in_max(dev, buf, offset); \
-} \
-static ssize_t \
-set_in##offset##_min(struct device *dev, \
- struct device_attribute *attr, const char *buf, \
- size_t count) \
-{ \
- return set_in_min(dev, buf, count, offset); \
-} \
-static ssize_t \
-set_in##offset##_max(struct device *dev, \
- struct device_attribute *attr, const char *buf, \
- size_t count) \
-{ \
- return set_in_max(dev, buf, count, offset); \
-} \
-static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
- show_in##offset##_min, set_in##offset##_min); \
-static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
- show_in##offset##_max, set_in##offset##_max);
-
-show_in_offset(0);
-show_in_offset(1);
-show_in_offset(2);
-show_in_offset(3);
-show_in_offset(4);
-show_in_offset(5);
+#define vin(nr) \
+static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \
+ show_in, NULL, nr); \
+static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR, \
+ show_in_min, set_in_min, nr); \
+static SENSOR_DEVICE_ATTR(in##nr##_max, S_IRUGO | S_IWUSR, \
+ show_in_max, set_in_max, nr);
+
+vin(0);
+vin(1);
+vin(2);
+vin(3);
+vin(4);
+vin(5);
/* fans */
-static ssize_t show_fan(struct device *dev, char *buf, int nr)
+static ssize_t show_fan(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm9240_data *data = adm9240_update_device(dev);
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
- 1 << data->fan_div[nr]));
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[attr->index],
+ 1 << data->fan_div[attr->index]));
}
-static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+static ssize_t show_fan_min(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm9240_data *data = adm9240_update_device(dev);
- return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
- 1 << data->fan_div[nr]));
+ return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[attr->index],
+ 1 << data->fan_div[attr->index]));
}
-static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+static ssize_t show_fan_div(struct device *dev,
+ struct device_attribute *devattr, char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct adm9240_data *data = adm9240_update_device(dev);
- return sprintf(buf, "%d\n", 1 << data->fan_div[nr]);
+ return sprintf(buf, "%d\n", 1 << data->fan_div[attr->index]);
}
/* write new fan div, callers must hold data->update_lock */
@@ -341,16 +319,16 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr,
{
u8 reg, old, shift = (nr + 2) * 2;
- reg = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV);
+ reg = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV);
old = (reg >> shift) & 3;
reg &= ~(3 << shift);
reg |= (fan_div << shift);
- adm9240_write_value(client, ADM9240_REG_VID_FAN_DIV, reg);
+ i2c_smbus_write_byte_data(client, ADM9240_REG_VID_FAN_DIV, reg);
dev_dbg(&client->dev, "fan%d clock divider changed from %u "
"to %u\n", nr + 1, 1 << old, 1 << fan_div);
}
-/*
+/*
* set fan speed low limit:
*
* - value is zero: disable fan speed low limit alarm
@@ -361,12 +339,15 @@ static void adm9240_write_fan_div(struct i2c_client *client, int nr,
* - otherwise: select fan clock divider to suit fan speed low limit,
* measurement code may adjust registers to ensure fan speed reading
*/
-static ssize_t set_fan_min(struct device *dev, const char *buf,
- size_t count, int nr)
+static ssize_t set_fan_min(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
+ int nr = attr->index;
u8 new_div;
down(&data->update_lock);
@@ -406,50 +387,27 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
data->fan_div[nr] = new_div;
adm9240_write_fan_div(client, nr, new_div);
}
- adm9240_write_value(client, ADM9240_REG_FAN_MIN(nr),
+ i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr),
data->fan_min[nr]);
up(&data->update_lock);
return count;
}
-#define show_fan_offset(offset) \
-static ssize_t show_fan_##offset (struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
-return show_fan(dev, buf, offset - 1); \
-} \
-static ssize_t show_fan_##offset##_div (struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
-return show_fan_div(dev, buf, offset - 1); \
-} \
-static ssize_t show_fan_##offset##_min (struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
-{ \
-return show_fan_min(dev, buf, offset - 1); \
-} \
-static ssize_t set_fan_##offset##_min (struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
-return set_fan_min(dev, buf, count, offset - 1); \
-} \
-static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
- show_fan_##offset, NULL); \
-static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
- show_fan_##offset##_div, NULL); \
-static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
- show_fan_##offset##_min, set_fan_##offset##_min);
-
-show_fan_offset(1);
-show_fan_offset(2);
+#define fan(nr) \
+static SENSOR_DEVICE_ATTR(fan##nr##_input, S_IRUGO, \
+ show_fan, NULL, nr - 1); \
+static SENSOR_DEVICE_ATTR(fan##nr##_div, S_IRUGO, \
+ show_fan_div, NULL, nr - 1); \
+static SENSOR_DEVICE_ATTR(fan##nr##_min, S_IRUGO | S_IWUSR, \
+ show_fan_min, set_fan_min, nr - 1);
+
+fan(1);
+fan(2);
/* alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm9240_data *data = adm9240_update_device(dev);
return sprintf(buf, "%u\n", data->alarms);
@@ -457,7 +415,8 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
/* vid */
-static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm9240_data *data = adm9240_update_device(dev);
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
@@ -465,13 +424,16 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
/* analog output */
-static ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_aout(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct adm9240_data *data = adm9240_update_device(dev);
return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout));
}
-static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t set_aout(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
@@ -479,20 +441,23 @@ static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const
down(&data->update_lock);
data->aout = AOUT_TO_REG(val);
- adm9240_write_value(client, ADM9240_REG_ANALOG_OUT, data->aout);
+ i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout);
up(&data->update_lock);
return count;
}
static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
/* chassis_clear */
-static ssize_t chassis_clear(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t chassis_clear(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
unsigned long val = simple_strtol(buf, NULL, 10);
if (val == 1) {
- adm9240_write_value(client, ADM9240_REG_CHASSIS_CLEAR, 0x80);
+ i2c_smbus_write_byte_data(client,
+ ADM9240_REG_CHASSIS_CLEAR, 0x80);
dev_dbg(&client->dev, "chassis intrusion latch cleared\n");
}
return count;
@@ -513,11 +478,10 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct adm9240_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(*data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct adm9240_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -533,7 +497,7 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
if (kind < 0) {
/* verify chip: reg address should match i2c address */
- if (adm9240_read_value(new_client, ADM9240_REG_I2C_ADDR)
+ if (i2c_smbus_read_byte_data(new_client, ADM9240_REG_I2C_ADDR)
!= address) {
dev_err(&adapter->dev, "detect fail: address match, "
"0x%02x\n", address);
@@ -541,8 +505,8 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* check known chip manufacturer */
- man_id = adm9240_read_value(new_client, ADM9240_REG_MAN_ID);
-
+ man_id = i2c_smbus_read_byte_data(new_client,
+ ADM9240_REG_MAN_ID);
if (man_id == 0x23) {
kind = adm9240;
} else if (man_id == 0xda) {
@@ -556,7 +520,8 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* successful detect, print chip info */
- die_rev = adm9240_read_value(new_client, ADM9240_REG_DIE_REV);
+ die_rev = i2c_smbus_read_byte_data(new_client,
+ ADM9240_REG_DIE_REV);
dev_info(&adapter->dev, "found %s revision %u\n",
man_id == 0x23 ? "ADM9240" :
man_id == 0xda ? "DS1780" : "LM81", die_rev);
@@ -588,33 +553,59 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_detach;
}
- device_create_file(&new_client->dev, &dev_attr_in0_input);
- device_create_file(&new_client->dev, &dev_attr_in0_min);
- device_create_file(&new_client->dev, &dev_attr_in0_max);
- device_create_file(&new_client->dev, &dev_attr_in1_input);
- device_create_file(&new_client->dev, &dev_attr_in1_min);
- device_create_file(&new_client->dev, &dev_attr_in1_max);
- device_create_file(&new_client->dev, &dev_attr_in2_input);
- device_create_file(&new_client->dev, &dev_attr_in2_min);
- device_create_file(&new_client->dev, &dev_attr_in2_max);
- device_create_file(&new_client->dev, &dev_attr_in3_input);
- device_create_file(&new_client->dev, &dev_attr_in3_min);
- device_create_file(&new_client->dev, &dev_attr_in3_max);
- device_create_file(&new_client->dev, &dev_attr_in4_input);
- device_create_file(&new_client->dev, &dev_attr_in4_min);
- device_create_file(&new_client->dev, &dev_attr_in4_max);
- device_create_file(&new_client->dev, &dev_attr_in5_input);
- device_create_file(&new_client->dev, &dev_attr_in5_min);
- device_create_file(&new_client->dev, &dev_attr_in5_max);
- device_create_file(&new_client->dev, &dev_attr_temp1_max);
- device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in0_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in0_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in0_max.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in1_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in1_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in1_max.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in2_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in2_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in2_max.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in3_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in3_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in3_max.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in4_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in4_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in4_max.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in5_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in5_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_in5_max.dev_attr);
device_create_file(&new_client->dev, &dev_attr_temp1_input);
- device_create_file(&new_client->dev, &dev_attr_fan1_input);
- device_create_file(&new_client->dev, &dev_attr_fan1_div);
- device_create_file(&new_client->dev, &dev_attr_fan1_min);
- device_create_file(&new_client->dev, &dev_attr_fan2_input);
- device_create_file(&new_client->dev, &dev_attr_fan2_div);
- device_create_file(&new_client->dev, &dev_attr_fan2_min);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_temp1_max.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_temp1_max_hyst.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_div.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan1_min.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_div.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_fan2_min.dev_attr);
device_create_file(&new_client->dev, &dev_attr_alarms);
device_create_file(&new_client->dev, &dev_attr_aout_output);
device_create_file(&new_client->dev, &dev_attr_chassis_clear);
@@ -654,8 +645,8 @@ static int adm9240_detach_client(struct i2c_client *client)
static void adm9240_init_client(struct i2c_client *client)
{
struct adm9240_data *data = i2c_get_clientdata(client);
- u8 conf = adm9240_read_value(client, ADM9240_REG_CONFIG);
- u8 mode = adm9240_read_value(client, ADM9240_REG_TEMP_CONF) & 3;
+ u8 conf = i2c_smbus_read_byte_data(client, ADM9240_REG_CONFIG);
+ u8 mode = i2c_smbus_read_byte_data(client, ADM9240_REG_TEMP_CONF) & 3;
data->vrm = vid_which_vrm(); /* need this to report vid as mV */
@@ -672,18 +663,22 @@ static void adm9240_init_client(struct i2c_client *client)
for (i = 0; i < 6; i++)
{
- adm9240_write_value(client,
+ i2c_smbus_write_byte_data(client,
ADM9240_REG_IN_MIN(i), 0);
- adm9240_write_value(client,
+ i2c_smbus_write_byte_data(client,
ADM9240_REG_IN_MAX(i), 255);
}
- adm9240_write_value(client, ADM9240_REG_FAN_MIN(0), 255);
- adm9240_write_value(client, ADM9240_REG_FAN_MIN(1), 255);
- adm9240_write_value(client, ADM9240_REG_TEMP_HIGH, 127);
- adm9240_write_value(client, ADM9240_REG_TEMP_HYST, 127);
+ i2c_smbus_write_byte_data(client,
+ ADM9240_REG_FAN_MIN(0), 255);
+ i2c_smbus_write_byte_data(client,
+ ADM9240_REG_FAN_MIN(1), 255);
+ i2c_smbus_write_byte_data(client,
+ ADM9240_REG_TEMP_MAX(0), 127);
+ i2c_smbus_write_byte_data(client,
+ ADM9240_REG_TEMP_MAX(1), 127);
/* start measurement cycle */
- adm9240_write_value(client, ADM9240_REG_CONFIG, 1);
+ i2c_smbus_write_byte_data(client, ADM9240_REG_CONFIG, 1);
dev_info(&client->dev, "cold start: config was 0x%02x "
"mode %u\n", conf, mode);
@@ -704,25 +699,25 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
for (i = 0; i < 6; i++) /* read voltages */
{
- data->in[i] = adm9240_read_value(client,
+ data->in[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN(i));
}
- data->alarms = adm9240_read_value(client,
+ data->alarms = i2c_smbus_read_byte_data(client,
ADM9240_REG_INT(0)) |
- adm9240_read_value(client,
+ i2c_smbus_read_byte_data(client,
ADM9240_REG_INT(1)) << 8;
/* read temperature: assume temperature changes less than
* 0.5'C per two measurement cycles thus ignore possible
* but unlikely aliasing error on lsb reading. --Grant */
- data->temp = ((adm9240_read_value(client,
+ data->temp = ((i2c_smbus_read_byte_data(client,
ADM9240_REG_TEMP) << 8) |
- adm9240_read_value(client,
+ i2c_smbus_read_byte_data(client,
ADM9240_REG_TEMP_CONF)) / 128;
for (i = 0; i < 2; i++) /* read fans */
{
- data->fan[i] = adm9240_read_value(client,
+ data->fan[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_FAN(i));
/* adjust fan clock divider on overflow */
@@ -747,30 +742,30 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
for (i = 0; i < 6; i++)
{
- data->in_min[i] = adm9240_read_value(client,
+ data->in_min[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN_MIN(i));
- data->in_max[i] = adm9240_read_value(client,
+ data->in_max[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN_MAX(i));
}
for (i = 0; i < 2; i++)
{
- data->fan_min[i] = adm9240_read_value(client,
+ data->fan_min[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_FAN_MIN(i));
}
- data->temp_high = adm9240_read_value(client,
- ADM9240_REG_TEMP_HIGH);
- data->temp_hyst = adm9240_read_value(client,
- ADM9240_REG_TEMP_HYST);
+ data->temp_max[0] = i2c_smbus_read_byte_data(client,
+ ADM9240_REG_TEMP_MAX(0));
+ data->temp_max[1] = i2c_smbus_read_byte_data(client,
+ ADM9240_REG_TEMP_MAX(1));
/* read fan divs and 5-bit VID */
- i = adm9240_read_value(client, ADM9240_REG_VID_FAN_DIV);
+ i = i2c_smbus_read_byte_data(client, ADM9240_REG_VID_FAN_DIV);
data->fan_div[0] = (i >> 4) & 3;
data->fan_div[1] = (i >> 6) & 3;
data->vid = i & 0x0f;
- data->vid |= (adm9240_read_value(client,
+ data->vid |= (i2c_smbus_read_byte_data(client,
ADM9240_REG_VID4) & 1) << 4;
/* read analog out */
- data->aout = adm9240_read_value(client,
+ data->aout = i2c_smbus_read_byte_data(client,
ADM9240_REG_ANALOG_OUT);
data->last_updated_config = jiffies;
diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c
index 8e34855a6274..52c469722a65 100644
--- a/drivers/hwmon/asb100.c
+++ b/drivers/hwmon/asb100.c
@@ -629,19 +629,17 @@ static int asb100_detect_subclients(struct i2c_adapter *adapter, int address,
int i, id, err;
struct asb100_data *data = i2c_get_clientdata(new_client);
- data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!(data->lm75[0])) {
err = -ENOMEM;
goto ERROR_SC_0;
}
- memset(data->lm75[0], 0x00, sizeof(struct i2c_client));
- data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!(data->lm75[1])) {
err = -ENOMEM;
goto ERROR_SC_1;
}
- memset(data->lm75[1], 0x00, sizeof(struct i2c_client));
id = i2c_adapter_id(adapter);
@@ -724,12 +722,11 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access asb100_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct asb100_data), GFP_KERNEL))) {
- pr_debug("asb100.o: detect failed, kmalloc failed!\n");
+ if (!(data = kzalloc(sizeof(struct asb100_data), GFP_KERNEL))) {
+ pr_debug("asb100.o: detect failed, kzalloc failed!\n");
err = -ENOMEM;
goto ERROR0;
}
- memset(data, 0, sizeof(struct asb100_data));
new_client = &data->client;
init_MUTEX(&data->lock);
diff --git a/drivers/hwmon/atxp1.c b/drivers/hwmon/atxp1.c
index deb4d34c9539..53324f56404e 100644
--- a/drivers/hwmon/atxp1.c
+++ b/drivers/hwmon/atxp1.c
@@ -253,6 +253,8 @@ static DEVICE_ATTR(gpio2, S_IRUGO | S_IWUSR, atxp1_showgpio2, atxp1_storegpio2);
static int atxp1_attach_adapter(struct i2c_adapter *adapter)
{
+ if (!(adapter->class & I2C_CLASS_HWMON))
+ return 0;
return i2c_probe(adapter, &addr_data, &atxp1_detect);
};
@@ -266,12 +268,11 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct atxp1_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct atxp1_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct atxp1_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index b0199e063d0e..34f71b7c7f37 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -180,12 +180,14 @@ static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
static int ds1621_attach_adapter(struct i2c_adapter *adapter)
{
+ if (!(adapter->class & I2C_CLASS_HWMON))
+ return 0;
return i2c_probe(adapter, &addr_data, ds1621_detect);
}
/* This function is called by i2c_probe */
-int ds1621_detect(struct i2c_adapter *adapter, int address,
- int kind)
+static int ds1621_detect(struct i2c_adapter *adapter, int address,
+ int kind)
{
int conf, temp;
struct i2c_client *new_client;
@@ -200,11 +202,10 @@ int ds1621_detect(struct i2c_adapter *adapter, int address,
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet.
But it allows us to access ds1621_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct ds1621_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct ds1621_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct ds1621_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c
index eef6061d786b..a02e1c34c757 100644
--- a/drivers/hwmon/fscher.c
+++ b/drivers/hwmon/fscher.c
@@ -303,11 +303,10 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
* client structure, even though we cannot fill it completely yet.
* But it allows us to access i2c_smbus_read_byte_data. */
- if (!(data = kmalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct fscher_data));
/* The common I2C client data is placed right before the
* Hermes-specific data. */
diff --git a/drivers/hwmon/fscpos.c b/drivers/hwmon/fscpos.c
index 5fc77a5fed07..64e4edc64f8d 100644
--- a/drivers/hwmon/fscpos.c
+++ b/drivers/hwmon/fscpos.c
@@ -438,7 +438,7 @@ static int fscpos_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, fscpos_detect);
}
-int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
+static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *new_client;
struct fscpos_data *data;
@@ -453,11 +453,10 @@ int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
* But it allows us to access fscpos_{read,write}_value.
*/
- if (!(data = kmalloc(sizeof(struct fscpos_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct fscpos_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct fscpos_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/gl518sm.c b/drivers/hwmon/gl518sm.c
index 256b9323c84b..2f178dbe3d87 100644
--- a/drivers/hwmon/gl518sm.c
+++ b/drivers/hwmon/gl518sm.c
@@ -365,11 +365,10 @@ static int gl518_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access gl518_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct gl518_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct gl518_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct gl518_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
index 12fd757066fc..c39ba1239426 100644
--- a/drivers/hwmon/gl520sm.c
+++ b/drivers/hwmon/gl520sm.c
@@ -536,11 +536,10 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access gl520_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct gl520_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct gl520_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct gl520_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
index 7f0107613827..0015da5668a1 100644
--- a/drivers/hwmon/hdaps.c
+++ b/drivers/hwmon/hdaps.c
@@ -296,11 +296,9 @@ static int hdaps_probe(struct device *dev)
return 0;
}
-static int hdaps_resume(struct device *dev, u32 level)
+static int hdaps_resume(struct device *dev)
{
- if (level == RESUME_ENABLE)
- return hdaps_device_init();
- return 0;
+ return hdaps_device_init();
}
static struct device_driver hdaps_driver = {
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 9b41c9bd805f..6f48579799b5 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -45,7 +45,7 @@ struct class_device *hwmon_device_register(struct device *dev)
return ERR_PTR(-ENOMEM);
id = id & MAX_ID_MASK;
- cdev = class_device_create(hwmon_class, MKDEV(0,0), dev,
+ cdev = class_device_create(hwmon_class, NULL, MKDEV(0,0), dev,
HWMON_ID_FORMAT, id);
if (IS_ERR(cdev))
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 53cc2b6d6385..6c41e25e670b 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -2,7 +2,7 @@
it87.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring.
- Supports: IT8705F Super I/O chip w/LPC interface & SMBus
+ Supports: IT8705F Super I/O chip w/LPC interface
IT8712F Super I/O chip w/LPC interface & SMBus
Sis950 A clone of the IT8705F
@@ -47,7 +47,7 @@
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned short isa_address = 0x290;
+static unsigned short isa_address;
/* Insmod parameters */
I2C_CLIENT_INSMOD_2(it87, it8712);
@@ -706,7 +706,7 @@ static int it87_isa_attach_adapter(struct i2c_adapter *adapter)
}
/* SuperIO detection - will change isa_address if a chip is found */
-static int __init it87_find(int *address)
+static int __init it87_find(unsigned short *address)
{
int err = -ENODEV;
@@ -738,7 +738,7 @@ exit:
}
/* This function is called by i2c_probe */
-int it87_detect(struct i2c_adapter *adapter, int address, int kind)
+static int it87_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i;
struct i2c_client *new_client;
@@ -757,42 +757,14 @@ int it87_detect(struct i2c_adapter *adapter, int address, int kind)
if (!request_region(address, IT87_EXTENT, it87_isa_driver.name))
goto ERROR0;
- /* Probe whether there is anything available on this address. Already
- done for SMBus and Super-I/O clients */
- if (kind < 0) {
- if (is_isa && !chip_type) {
-#define REALLY_SLOW_IO
- /* We need the timeouts for at least some IT87-like chips. But only
- if we read 'undefined' registers. */
- i = inb_p(address + 1);
- if (inb_p(address + 2) != i
- || inb_p(address + 3) != i
- || inb_p(address + 7) != i) {
- err = -ENODEV;
- goto ERROR1;
- }
-#undef REALLY_SLOW_IO
-
- /* Let's just hope nothing breaks here */
- i = inb_p(address + 5) & 0x7f;
- outb_p(~i & 0x7f, address + 5);
- if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
- outb_p(i, address + 5);
- err = -ENODEV;
- goto ERROR1;
- }
- }
- }
-
- /* OK. For now, we presume we have a valid client. We now create the
+ /* For now, we presume we have a valid client. We create the
client structure, even though we cannot fill it completely yet.
But it allows us to access it87_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct it87_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct it87_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR1;
}
- memset(data, 0, sizeof(struct it87_data));
new_client = &data->client;
if (is_isa)
@@ -1182,20 +1154,18 @@ static struct it87_data *it87_update_device(struct device *dev)
static int __init sm_it87_init(void)
{
- int addr, res;
-
- if (!it87_find(&addr)) {
- isa_address = addr;
- }
+ int res;
res = i2c_add_driver(&it87_driver);
if (res)
return res;
- res = i2c_isa_add_driver(&it87_isa_driver);
- if (res) {
- i2c_del_driver(&it87_driver);
- return res;
+ if (!it87_find(&isa_address)) {
+ res = i2c_isa_add_driver(&it87_isa_driver);
+ if (res) {
+ i2c_del_driver(&it87_driver);
+ return res;
+ }
}
return 0;
diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
index be5c7095ecbb..954ec2497249 100644
--- a/drivers/hwmon/lm63.c
+++ b/drivers/hwmon/lm63.c
@@ -375,11 +375,10 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct lm63_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm63_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm63_data));
/* The common I2C client data is placed right before the
LM63-specific data. */
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 9a3ebdf583f4..d70f4c8fc1e6 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -127,11 +127,10 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet.
But it allows us to access lm75_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct lm75_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm75_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm75_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index 866eab96a6f6..9380fda7dcd1 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -226,11 +226,10 @@ static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet.
But it allows us to access lm77_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct lm77_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm77_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm77_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/lm78.c b/drivers/hwmon/lm78.c
index f6730dc3573b..bde0cda9477e 100644
--- a/drivers/hwmon/lm78.c
+++ b/drivers/hwmon/lm78.c
@@ -480,7 +480,7 @@ static int lm78_isa_attach_adapter(struct i2c_adapter *adapter)
}
/* This function is called by i2c_probe */
-int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
+static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i, err;
struct i2c_client *new_client;
@@ -540,11 +540,10 @@ int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access lm78_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct lm78_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm78_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR1;
}
- memset(data, 0, sizeof(struct lm78_data));
new_client = &data->client;
if (is_isa)
@@ -726,7 +725,6 @@ static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
return i2c_smbus_write_byte_data(client, reg, value);
}
-/* Called when we have found a new LM78. It should set limits, etc. */
static void lm78_init_client(struct i2c_client *client)
{
u8 config = lm78_read_value(client, LM78_REG_CONFIG);
diff --git a/drivers/hwmon/lm80.c b/drivers/hwmon/lm80.c
index 83af8b3a0cac..c359fdea211e 100644
--- a/drivers/hwmon/lm80.c
+++ b/drivers/hwmon/lm80.c
@@ -393,7 +393,7 @@ static int lm80_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, lm80_detect);
}
-int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
+static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i, cur;
struct i2c_client *new_client;
@@ -407,11 +407,10 @@ int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet.
But it allows us to access lm80_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct lm80_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm80_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm80_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index d74b2c20c719..9a70611a9f69 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -230,11 +230,10 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct lm83_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm83_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm83_data));
/* The common I2C client data is placed right after the
* LM83-specific data. */
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index ab214df9624b..d1070ed2bee6 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1007,14 +1007,14 @@ temp_auto(1);
temp_auto(2);
temp_auto(3);
-int lm85_attach_adapter(struct i2c_adapter *adapter)
+static int lm85_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
return 0;
return i2c_probe(adapter, &addr_data, lm85_detect);
}
-int lm85_detect(struct i2c_adapter *adapter, int address,
+static int lm85_detect(struct i2c_adapter *adapter, int address,
int kind)
{
int company, verstep ;
@@ -1033,11 +1033,10 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
client structure, even though we cannot fill it completely yet.
But it allows us to access lm85_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR0;
}
- memset(data, 0, sizeof(struct lm85_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -1236,7 +1235,7 @@ int lm85_detect(struct i2c_adapter *adapter, int address,
return err;
}
-int lm85_detach_client(struct i2c_client *client)
+static int lm85_detach_client(struct i2c_client *client)
{
struct lm85_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
@@ -1246,7 +1245,7 @@ int lm85_detach_client(struct i2c_client *client)
}
-int lm85_read_value(struct i2c_client *client, u8 reg)
+static int lm85_read_value(struct i2c_client *client, u8 reg)
{
int res;
@@ -1276,7 +1275,7 @@ int lm85_read_value(struct i2c_client *client, u8 reg)
return res ;
}
-int lm85_write_value(struct i2c_client *client, u8 reg, int value)
+static int lm85_write_value(struct i2c_client *client, u8 reg, int value)
{
int res ;
@@ -1305,7 +1304,7 @@ int lm85_write_value(struct i2c_client *client, u8 reg, int value)
return res ;
}
-void lm85_init_client(struct i2c_client *client)
+static void lm85_init_client(struct i2c_client *client)
{
int value;
struct lm85_data *data = i2c_get_clientdata(client);
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index dca996de4c33..eeec18177861 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -554,11 +554,10 @@ static int lm87_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct lm87_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm87_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm87_data));
/* The common I2C client data is placed right before the
LM87-specific data. */
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 14de05fcd431..83cf2e1b09f5 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -31,7 +31,7 @@
* Devices. That chip is similar to the LM90, with a few differences
* that are not handled by this driver. Complete datasheet can be
* obtained from Analog's website at:
- * http://products.analog.com/products/info.asp?product=ADM1032
+ * http://www.analog.com/en/prod/0,2877,ADM1032,00.html
* Among others, it has a higher accuracy than the LM90, much like the
* LM86 does.
*
@@ -49,7 +49,7 @@
* register values are decoded differently) it is ignored by this
* driver. Complete datasheet can be obtained from Analog's website
* at:
- * http://products.analog.com/products/info.asp?product=ADT7461
+ * http://www.analog.com/en/prod/0,2877,ADT7461,00.html
*
* Since the LM90 was the first chipset supported by this driver, most
* comments will refer to this chipset, but are actually general and
@@ -83,10 +83,10 @@
* Addresses to scan
* Address is fully defined internally and cannot be changed except for
* MAX6659.
- * LM86, LM89, LM90, LM99, ADM1032, MAX6657 and MAX6658 have address 0x4c.
- * LM89-1, and LM99-1 have address 0x4d.
+ * LM86, LM89, LM90, LM99, ADM1032, ADM1032-1, ADT7461, MAX6657 and MAX6658
+ * have address 0x4c.
+ * ADM1032-2, ADT7461-2, LM89-1, and LM99-1 have address 0x4d.
* MAX6659 can have address 0x4c, 0x4d or 0x4e (unsupported).
- * ADT7461 always has address 0x4c.
*/
static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END };
@@ -345,10 +345,74 @@ static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temphyst,
static SENSOR_DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temphyst, NULL, 4);
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+/* pec used for ADM1032 only */
+static ssize_t show_pec(struct device *dev, struct device_attribute *dummy,
+ char *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ return sprintf(buf, "%d\n", !!(client->flags & I2C_CLIENT_PEC));
+}
+
+static ssize_t set_pec(struct device *dev, struct device_attribute *dummy,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ long val = simple_strtol(buf, NULL, 10);
+
+ switch (val) {
+ case 0:
+ client->flags &= ~I2C_CLIENT_PEC;
+ break;
+ case 1:
+ client->flags |= I2C_CLIENT_PEC;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return count;
+}
+
+static DEVICE_ATTR(pec, S_IWUSR | S_IRUGO, show_pec, set_pec);
+
/*
* Real code
*/
+/* The ADM1032 supports PEC but not on write byte transactions, so we need
+ to explicitely ask for a transaction without PEC. */
+static inline s32 adm1032_write_byte(struct i2c_client *client, u8 value)
+{
+ return i2c_smbus_xfer(client->adapter, client->addr,
+ client->flags & ~I2C_CLIENT_PEC,
+ I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL);
+}
+
+/* It is assumed that client->update_lock is held (unless we are in
+ detection or initialization steps). This matters when PEC is enabled,
+ because we don't want the address pointer to change between the write
+ byte and the read byte transactions. */
+static int lm90_read_reg(struct i2c_client* client, u8 reg, u8 *value)
+{
+ int err;
+
+ if (client->flags & I2C_CLIENT_PEC) {
+ err = adm1032_write_byte(client, reg);
+ if (err >= 0)
+ err = i2c_smbus_read_byte(client);
+ } else
+ err = i2c_smbus_read_byte_data(client, reg);
+
+ if (err < 0) {
+ dev_warn(&client->dev, "Register %#02x read failed (%d)\n",
+ reg, err);
+ return err;
+ }
+ *value = err;
+
+ return 0;
+}
+
static int lm90_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
@@ -370,11 +434,10 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct lm90_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm90_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm90_data));
/* The common I2C client data is placed right before the
LM90-specific data. */
@@ -403,20 +466,22 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
if (kind < 0) { /* detection and identification */
u8 man_id, chip_id, reg_config1, reg_convrate;
- man_id = i2c_smbus_read_byte_data(new_client,
- LM90_REG_R_MAN_ID);
- chip_id = i2c_smbus_read_byte_data(new_client,
- LM90_REG_R_CHIP_ID);
- reg_config1 = i2c_smbus_read_byte_data(new_client,
- LM90_REG_R_CONFIG1);
- reg_convrate = i2c_smbus_read_byte_data(new_client,
- LM90_REG_R_CONVRATE);
+ if (lm90_read_reg(new_client, LM90_REG_R_MAN_ID,
+ &man_id) < 0
+ || lm90_read_reg(new_client, LM90_REG_R_CHIP_ID,
+ &chip_id) < 0
+ || lm90_read_reg(new_client, LM90_REG_R_CONFIG1,
+ &reg_config1) < 0
+ || lm90_read_reg(new_client, LM90_REG_R_CONVRATE,
+ &reg_convrate) < 0)
+ goto exit_free;
if (man_id == 0x01) { /* National Semiconductor */
u8 reg_config2;
- reg_config2 = i2c_smbus_read_byte_data(new_client,
- LM90_REG_R_CONFIG2);
+ if (lm90_read_reg(new_client, LM90_REG_R_CONFIG2,
+ &reg_config2) < 0)
+ goto exit_free;
if ((reg_config1 & 0x2A) == 0x00
&& (reg_config2 & 0xF8) == 0x00
@@ -435,14 +500,12 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
}
} else
if (man_id == 0x41) { /* Analog Devices */
- if (address == 0x4C
- && (chip_id & 0xF0) == 0x40 /* ADM1032 */
+ if ((chip_id & 0xF0) == 0x40 /* ADM1032 */
&& (reg_config1 & 0x3F) == 0x00
&& reg_convrate <= 0x0A) {
kind = adm1032;
} else
- if (address == 0x4c
- && chip_id == 0x51 /* ADT7461 */
+ if (chip_id == 0x51 /* ADT7461 */
&& (reg_config1 & 0x1F) == 0x00 /* check compat mode */
&& reg_convrate <= 0x0A) {
kind = adt7461;
@@ -477,6 +540,10 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
name = "lm90";
} else if (kind == adm1032) {
name = "adm1032";
+ /* The ADM1032 supports PEC, but only if combined
+ transactions are not used. */
+ if (i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
+ new_client->flags |= I2C_CLIENT_PEC;
} else if (kind == lm99) {
name = "lm99";
} else if (kind == lm86) {
@@ -529,6 +596,9 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
&sensor_dev_attr_temp2_crit_hyst.dev_attr);
device_create_file(&new_client->dev, &dev_attr_alarms);
+ if (new_client->flags & I2C_CLIENT_PEC)
+ device_create_file(&new_client->dev, &dev_attr_pec);
+
return 0;
exit_detach:
@@ -548,7 +618,10 @@ static void lm90_init_client(struct i2c_client *client)
*/
i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE,
5); /* 2 Hz */
- config = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG1);
+ if (lm90_read_reg(client, LM90_REG_R_CONFIG1, &config) < 0) {
+ dev_warn(&client->dev, "Initialization failed!\n");
+ return;
+ }
if (config & 0x40)
i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
config & 0xBF); /* run */
@@ -576,21 +649,15 @@ static struct lm90_data *lm90_update_device(struct device *dev)
down(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
- u8 oldh, newh;
+ u8 oldh, newh, l;
dev_dbg(&client->dev, "Updating lm90 data.\n");
- data->temp8[0] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_LOCAL_TEMP);
- data->temp8[1] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_LOCAL_LOW);
- data->temp8[2] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_LOCAL_HIGH);
- data->temp8[3] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_LOCAL_CRIT);
- data->temp8[4] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_CRIT);
- data->temp_hyst = i2c_smbus_read_byte_data(client,
- LM90_REG_R_TCRIT_HYST);
+ lm90_read_reg(client, LM90_REG_R_LOCAL_TEMP, &data->temp8[0]);
+ lm90_read_reg(client, LM90_REG_R_LOCAL_LOW, &data->temp8[1]);
+ lm90_read_reg(client, LM90_REG_R_LOCAL_HIGH, &data->temp8[2]);
+ lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT, &data->temp8[3]);
+ lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT, &data->temp8[4]);
+ lm90_read_reg(client, LM90_REG_R_TCRIT_HYST, &data->temp_hyst);
/*
* There is a trick here. We have to read two registers to
@@ -606,36 +673,20 @@ static struct lm90_data *lm90_update_device(struct device *dev)
* then we have a valid reading. Else we have to read the low
* byte again, and now we believe we have a correct reading.
*/
- oldh = i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_TEMPH);
- data->temp11[0] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_TEMPL);
- newh = i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_TEMPH);
- if (newh != oldh) {
- data->temp11[0] = i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_TEMPL);
-#ifdef DEBUG
- oldh = i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_TEMPH);
- /* oldh is actually newer */
- if (newh != oldh)
- dev_warn(&client->dev, "Remote temperature may be "
- "wrong.\n");
-#endif
- }
- data->temp11[0] |= (newh << 8);
-
- data->temp11[1] = (i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_LOWH) << 8) +
- i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_LOWL);
- data->temp11[2] = (i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_HIGHH) << 8) +
- i2c_smbus_read_byte_data(client,
- LM90_REG_R_REMOTE_HIGHL);
- data->alarms = i2c_smbus_read_byte_data(client,
- LM90_REG_R_STATUS);
+ if (lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &oldh) == 0
+ && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0
+ && lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPH, &newh) == 0
+ && (newh == oldh
+ || lm90_read_reg(client, LM90_REG_R_REMOTE_TEMPL, &l) == 0))
+ data->temp11[0] = (newh << 8) | l;
+
+ if (lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH, &newh) == 0
+ && lm90_read_reg(client, LM90_REG_R_REMOTE_LOWL, &l) == 0)
+ data->temp11[1] = (newh << 8) | l;
+ if (lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHH, &newh) == 0
+ && lm90_read_reg(client, LM90_REG_R_REMOTE_HIGHL, &l) == 0)
+ data->temp11[2] = (newh << 8) | l;
+ lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms);
data->last_updated = jiffies;
data->valid = 1;
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 647b7c7cd575..7a4b3701ed1a 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -300,11 +300,10 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
| I2C_FUNC_SMBUS_WORD_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct lm92_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct lm92_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct lm92_data));
/* Fill in enough client fields so that we can read from the chip,
which is required for identication */
diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 16bf71f3a04d..6a82ffae1bfd 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -197,11 +197,10 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct max1619_data));
/* The common I2C client data is placed right before the
MAX1619-specific data. */
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index cf2a35799c7c..17f745a23d04 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -754,9 +754,8 @@ static int pc87360_detect(struct i2c_adapter *adapter)
const char *name = "pc87360";
int use_thermistors = 0;
- if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
+ if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
return -ENOMEM;
- memset(data, 0x00, sizeof(struct pc87360_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 21aa9a41f62c..9c6cadec1087 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -518,11 +518,10 @@ static int sis5595_detect(struct i2c_adapter *adapter)
goto exit_release;
}
- if (!(data = kmalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit_release;
}
- memset(data, 0, sizeof(struct sis5595_data));
new_client = &data->client;
new_client->addr = address;
diff --git a/drivers/hwmon/smsc47b397.c b/drivers/hwmon/smsc47b397.c
index 7fe71576dea4..2a3e21b5b6b4 100644
--- a/drivers/hwmon/smsc47b397.c
+++ b/drivers/hwmon/smsc47b397.c
@@ -244,11 +244,10 @@ static int smsc47b397_detect(struct i2c_adapter *adapter)
return -EBUSY;
}
- if (!(data = kmalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) {
err = -ENOMEM;
goto error_release;
}
- memset(data, 0x00, sizeof(struct smsc47b397_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -299,7 +298,7 @@ static int __init smsc47b397_find(unsigned short *addr)
superio_enter();
id = superio_inb(SUPERIO_REG_DEVID);
- if (id != 0x6f) {
+ if ((id != 0x6f) && (id != 0x81)) {
superio_exit();
return -ENODEV;
}
@@ -310,8 +309,9 @@ static int __init smsc47b397_find(unsigned short *addr)
*addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8)
| superio_inb(SUPERIO_REG_BASE_LSB);
- printk(KERN_INFO "smsc47b397: found SMSC LPC47B397-NC "
- "(base address 0x%04x, revision %u)\n", *addr, rev);
+ printk(KERN_INFO "smsc47b397: found SMSC %s "
+ "(base address 0x%04x, revision %u)\n",
+ id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev);
superio_exit();
return 0;
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index c9cc683eba4a..5905c1af88f2 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -3,7 +3,7 @@
for hardware monitoring
Supports the SMSC LPC47B27x, LPC47M10x, LPC47M13x, LPC47M14x,
- LPC47M15x and LPC47M192 Super-I/O chips.
+ LPC47M15x, LPC47M192 and LPC47M997 Super-I/O chips.
Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
@@ -356,6 +356,8 @@ static int __init smsc47m1_find(unsigned short *addr)
* 0x5F) and LPC47B27x (device id 0x51) have fan control.
* The LPC47M15x and LPC47M192 chips "with hardware monitoring block"
* can do much more besides (device id 0x60).
+ * The LPC47M997 is undocumented, but seems to be compatible with
+ * the LPC47M192, and has the same device id.
*/
if (val == 0x51)
printk(KERN_INFO "smsc47m1: Found SMSC LPC47B27x\n");
@@ -364,7 +366,8 @@ static int __init smsc47m1_find(unsigned short *addr)
else if (val == 0x5F)
printk(KERN_INFO "smsc47m1: Found SMSC LPC47M14x\n");
else if (val == 0x60)
- printk(KERN_INFO "smsc47m1: Found SMSC LPC47M15x/LPC47M192\n");
+ printk(KERN_INFO "smsc47m1: Found SMSC "
+ "LPC47M15x/LPC47M192/LPC47M997\n");
else {
superio_exit();
return -ENODEV;
@@ -396,11 +399,10 @@ static int smsc47m1_detect(struct i2c_adapter *adapter)
return -EBUSY;
}
- if (!(data = kmalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
err = -ENOMEM;
goto error_release;
}
- memset(data, 0x00, sizeof(struct smsc47m1_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/hwmon/via686a.c b/drivers/hwmon/via686a.c
index 05ddc88e7dd2..6f696f897176 100644
--- a/drivers/hwmon/via686a.c
+++ b/drivers/hwmon/via686a.c
@@ -44,7 +44,7 @@
/* If force_addr is set to anything different from 0, we forcibly enable
the device at the given address. */
-static unsigned short force_addr = 0;
+static unsigned short force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr,
"Initialize the base address of the sensors");
@@ -198,7 +198,7 @@ static inline u8 FAN_TO_REG(long rpm, int div)
but the function is very linear in the useful range (0-80 deg C), so
we'll just use linear interpolation for 10-bit readings.) So, tempLUT
is the temp at via register values 0-255: */
-static const long tempLUT[] =
+static const s16 tempLUT[] =
{ -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
-503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
-362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
@@ -270,7 +270,7 @@ static inline u8 TEMP_TO_REG(long val)
}
/* for 8-bit temperature hyst and over registers */
-#define TEMP_FROM_REG(val) (tempLUT[(val)] * 100)
+#define TEMP_FROM_REG(val) ((long)tempLUT[val] * 100)
/* for 10-bit temperature readings */
static inline long TEMP_FROM_REG10(u16 val)
@@ -589,10 +589,8 @@ static int via686a_detect(struct i2c_adapter *adapter)
u16 val;
/* 8231 requires multiple of 256, we enforce that on 686 as well */
- if (force_addr)
- address = force_addr & 0xFF00;
-
if (force_addr) {
+ address = force_addr & 0xFF00;
dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n",
address);
if (PCIBIOS_SUCCESSFUL !=
@@ -603,11 +601,17 @@ static int via686a_detect(struct i2c_adapter *adapter)
pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val))
return -ENODEV;
if (!(val & 0x0001)) {
- dev_warn(&adapter->dev, "enabling sensors\n");
- if (PCIBIOS_SUCCESSFUL !=
- pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
- val | 0x0001))
+ if (force_addr) {
+ dev_info(&adapter->dev, "enabling sensors\n");
+ if (PCIBIOS_SUCCESSFUL !=
+ pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
+ val | 0x0001))
+ return -ENODEV;
+ } else {
+ dev_warn(&adapter->dev, "sensors disabled - enable "
+ "with force_addr=0x%x\n", address);
return -ENODEV;
+ }
}
/* Reserve the ISA region */
@@ -617,11 +621,10 @@ static int via686a_detect(struct i2c_adapter *adapter)
return -ENODEV;
}
- if (!(data = kmalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit_release;
}
- memset(data, 0, sizeof(struct via686a_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -708,7 +711,6 @@ static int via686a_detach_client(struct i2c_client *client)
return 0;
}
-/* Called when we have found a new VIA686A. Set limits, etc. */
static void via686a_init_client(struct i2c_client *client)
{
u8 reg;
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index b60efe8f8b26..eee22a57e929 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -105,7 +105,9 @@ superio_exit(void)
* ISA constants
*/
-#define REGION_LENGTH 8
+#define REGION_ALIGNMENT ~7
+#define REGION_OFFSET 5
+#define REGION_LENGTH 2
#define ADDR_REG_OFFSET 5
#define DATA_REG_OFFSET 6
@@ -673,16 +675,16 @@ static int w83627ehf_detect(struct i2c_adapter *adapter)
struct w83627ehf_data *data;
int i, err = 0;
- if (!request_region(address, REGION_LENGTH, w83627ehf_driver.name)) {
+ if (!request_region(address + REGION_OFFSET, REGION_LENGTH,
+ w83627ehf_driver.name)) {
err = -EBUSY;
goto exit;
}
- if (!(data = kmalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit_release;
}
- memset(data, 0, sizeof(struct w83627ehf_data));
client = &data->client;
i2c_set_clientdata(client, data);
@@ -762,7 +764,7 @@ exit_detach:
exit_free:
kfree(data);
exit_release:
- release_region(address, REGION_LENGTH);
+ release_region(address + REGION_OFFSET, REGION_LENGTH);
exit:
return err;
}
@@ -776,7 +778,7 @@ static int w83627ehf_detach_client(struct i2c_client *client)
if ((err = i2c_detach_client(client)))
return err;
- release_region(client->addr, REGION_LENGTH);
+ release_region(client->addr + REGION_OFFSET, REGION_LENGTH);
kfree(data);
return 0;
@@ -807,7 +809,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr)
superio_select(W83627EHF_LD_HWM);
val = (superio_inb(SIO_REG_ADDR) << 8)
| superio_inb(SIO_REG_ADDR + 1);
- *addr = val & ~(REGION_LENGTH - 1);
+ *addr = val & REGION_ALIGNMENT;
if (*addr == 0) {
superio_exit();
return -ENODEV;
diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c
index 3479dc5208e2..70ef926c3bd8 100644
--- a/drivers/hwmon/w83627hf.c
+++ b/drivers/hwmon/w83627hf.c
@@ -142,10 +142,14 @@ superio_exit(void)
#define WINB_BASE_REG 0x60
/* Constants specified below */
-/* Length of ISA address segment */
-#define WINB_EXTENT 8
+/* Alignment of the base address */
+#define WINB_ALIGNMENT ~7
-/* Where are the ISA address/data registers relative to the base address */
+/* Offset & size of I/O region we are interested in */
+#define WINB_REGION_OFFSET 5
+#define WINB_REGION_SIZE 2
+
+/* Where are the sensors address/data registers relative to the base address */
#define W83781D_ADDR_REG_OFFSET 5
#define W83781D_DATA_REG_OFFSET 6
@@ -197,7 +201,6 @@ superio_exit(void)
#define W83627HF_REG_PWM1 0x5A
#define W83627HF_REG_PWM2 0x5B
-#define W83627HF_REG_PWMCLK12 0x5C
#define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */
#define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */
@@ -981,7 +984,7 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr)
superio_select(W83627HF_LD_HWM);
val = (superio_inb(WINB_BASE_REG) << 8) |
superio_inb(WINB_BASE_REG + 1);
- *addr = val & ~(WINB_EXTENT - 1);
+ *addr = val & WINB_ALIGNMENT;
if (*addr == 0 && force_addr == 0) {
superio_exit();
return -ENODEV;
@@ -1000,9 +1003,10 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
const char *client_name = "";
if(force_addr)
- address = force_addr & ~(WINB_EXTENT - 1);
+ address = force_addr & WINB_ALIGNMENT;
- if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) {
+ if (!request_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE,
+ w83627hf_driver.name)) {
err = -EBUSY;
goto ERROR0;
}
@@ -1041,11 +1045,10 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
client structure, even though we cannot fill it completely yet.
But it allows us to access w83627hf_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR1;
}
- memset(data, 0, sizeof(struct w83627hf_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -1148,7 +1151,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
ERROR2:
kfree(data);
ERROR1:
- release_region(address, WINB_EXTENT);
+ release_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE);
ERROR0:
return err;
}
@@ -1163,7 +1166,7 @@ static int w83627hf_detach_client(struct i2c_client *client)
if ((err = i2c_detach_client(client)))
return err;
- release_region(client->addr, WINB_EXTENT);
+ release_region(client->addr + WINB_REGION_OFFSET, WINB_REGION_SIZE);
kfree(data);
return 0;
@@ -1275,7 +1278,6 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
return 0;
}
-/* Called when we have found a new W83781D. It should set limits, etc. */
static void w83627hf_init_client(struct i2c_client *client)
{
struct w83627hf_data *data = i2c_get_clientdata(client);
@@ -1369,12 +1371,6 @@ static void w83627hf_init_client(struct i2c_client *client)
}
}
- if (type == w83627hf) {
- /* enable PWM2 control (can't hurt since PWM reg
- should have been reset to 0xff) */
- w83627hf_write_value(client, W83627HF_REG_PWMCLK12,
- 0x19);
- }
/* enable comparator mode for temp2 and temp3 so
alarm indication will work correctly */
i = w83627hf_read_value(client, W83781D_REG_IRQ);
diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c
index 4c43337ca780..9265f32122fa 100644
--- a/drivers/hwmon/w83781d.c
+++ b/drivers/hwmon/w83781d.c
@@ -889,12 +889,11 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
const char *client_name = "";
struct w83781d_data *data = i2c_get_clientdata(new_client);
- data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!(data->lm75[0])) {
err = -ENOMEM;
goto ERROR_SC_0;
}
- memset(data->lm75[0], 0x00, sizeof (struct i2c_client));
id = i2c_adapter_id(adapter);
@@ -919,13 +918,11 @@ w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
}
if (kind != w83783s) {
-
- data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!(data->lm75[1])) {
err = -ENOMEM;
goto ERROR_SC_1;
}
- memset(data->lm75[1], 0x0, sizeof(struct i2c_client));
if (force_subclients[0] == id &&
force_subclients[1] == address) {
@@ -1064,11 +1061,10 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access w83781d_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR1;
}
- memset(data, 0, sizeof(struct w83781d_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -1451,7 +1447,6 @@ w83781d_write_value(struct i2c_client *client, u16 reg, u16 value)
return 0;
}
-/* Called when we have found a new W83781D. It should set limits, etc. */
static void
w83781d_init_client(struct i2c_client *client)
{
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c
index ba0c28015f6a..4be59dbb78c4 100644
--- a/drivers/hwmon/w83792d.c
+++ b/drivers/hwmon/w83792d.c
@@ -1086,11 +1086,10 @@ w83792d_create_subclient(struct i2c_adapter *adapter,
int err;
struct i2c_client *sub_client;
- (*sub_cli) = sub_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!(sub_client)) {
return -ENOMEM;
}
- memset(sub_client, 0x00, sizeof(struct i2c_client));
sub_client->addr = 0x48 + addr;
i2c_set_clientdata(sub_client, NULL);
sub_client->adapter = adapter;
@@ -1184,11 +1183,10 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
client structure, even though we cannot fill it completely yet.
But it allows us to access w83792d_{read,write}_value. */
- if (!(data = kmalloc(sizeof(struct w83792d_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR0;
}
- memset(data, 0, sizeof(struct w83792d_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
@@ -1429,7 +1427,6 @@ w83792d_write_value(struct i2c_client *client, u8 reg, u8 value)
return 0;
}
-/* Called when we have found a new W83792D. It should set limits, etc. */
static void
w83792d_init_client(struct i2c_client *client)
{
diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index 133e34ab1d0a..f495b6378668 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -37,6 +37,7 @@
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
/* How many retries on register read error */
@@ -73,7 +74,7 @@ I2C_CLIENT_INSMOD_1(w83l785ts);
* The W83L785TS-S uses signed 8-bit values.
*/
-#define TEMP_FROM_REG(val) ((val & 0x80 ? val-0x100 : val) * 1000)
+#define TEMP_FROM_REG(val) ((val) * 1000)
/*
* Functions declaration
@@ -111,27 +112,24 @@ struct w83l785ts_data {
unsigned long last_updated; /* in jiffies */
/* registers values */
- u8 temp, temp_over;
+ s8 temp[2]; /* 0: input
+ 1: critical limit */
};
/*
* Sysfs stuff
*/
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
+ char *buf)
{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct w83l785ts_data *data = w83l785ts_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
+ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
}
-static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct w83l785ts_data *data = w83l785ts_update_device(dev);
- return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
-}
-
-static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
-static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_over, NULL);
+static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_temp, NULL, 1);
/*
* Real code
@@ -158,12 +156,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto exit;
- if (!(data = kmalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct w83l785ts_data));
-
/* The common I2C client data is placed right before the
* W83L785TS-specific data. */
@@ -228,7 +224,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
init_MUTEX(&data->update_lock);
/* Default values in case the first read fails (unlikely). */
- data->temp_over = data->temp = 0;
+ data->temp[1] = data->temp[0] = 0;
/* Tell the I2C layer a new client has arrived. */
if ((err = i2c_attach_client(new_client)))
@@ -246,8 +242,10 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_detach;
}
- device_create_file(&new_client->dev, &dev_attr_temp1_input);
- device_create_file(&new_client->dev, &dev_attr_temp1_max);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_temp1_input.dev_attr);
+ device_create_file(&new_client->dev,
+ &sensor_dev_attr_temp1_max.dev_attr);
return 0;
@@ -305,10 +303,10 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
dev_dbg(&client->dev, "Updating w83l785ts data.\n");
- data->temp = w83l785ts_read_value(client,
- W83L785TS_REG_TEMP, data->temp);
- data->temp_over = w83l785ts_read_value(client,
- W83L785TS_REG_TEMP_OVER, data->temp_over);
+ data->temp[0] = w83l785ts_read_value(client,
+ W83L785TS_REG_TEMP, data->temp[0]);
+ data->temp[1] = w83l785ts_read_value(client,
+ W83L785TS_REG_TEMP_OVER, data->temp[1]);
data->last_updated = jiffies;
data->valid = 1;
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index beb10edfe9c1..82946acab4c7 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -34,7 +34,7 @@
#define DEB2(fmt, args...) do { if (i2c_debug>=2) printk(fmt, ## args); } while(0)
#define DEB3(fmt, args...) do { if (i2c_debug>=3) printk(fmt, ## args); } while(0)
-static int i2c_debug=0;
+static int i2c_debug;
#define pca_outw(adap, reg, val) adap->write_byte(adap, reg, val)
#define pca_inw(adap, reg) adap->read_byte(adap, reg)
diff --git a/drivers/i2c/algos/i2c-algo-sibyte.c b/drivers/i2c/algos/i2c-algo-sibyte.c
index 8ed5ad12552f..938848ae162d 100644
--- a/drivers/i2c/algos/i2c-algo-sibyte.c
+++ b/drivers/i2c/algos/i2c-algo-sibyte.c
@@ -42,7 +42,7 @@
/* module parameters:
*/
-static int bit_scan=0; /* have a look at what's hanging 'round */
+static int bit_scan; /* have a look at what's hanging 'round */
static int smbus_xfer(struct i2c_adapter *i2c_adap, u16 addr,
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 3badfec75b1c..4010fe92e72b 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -135,11 +135,12 @@ config I2C_I810
help
If you say yes to this option, support will be included for the Intel
810/815 family of mainboard I2C interfaces. Specifically, the
- following versions of the chipset is supported:
+ following versions of the chipset are supported:
i810AA
i810AB
i810E
i815
+ i845G
This driver can also be built as a module. If so, the module
will be called i2c-i810.
diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index f021acd2674e..ba90f5140af6 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -134,7 +134,7 @@
/* -> Read = 1 */
#define ALI1535_SMBIO_EN 0x04 /* SMB I/O Space enable */
-
+static struct pci_driver ali1535_driver;
static unsigned short ali1535_smba;
static DECLARE_MUTEX(i2c_ali1535_sem);
@@ -162,7 +162,8 @@ static int ali1535_setup(struct pci_dev *dev)
goto exit;
}
- if (!request_region(ali1535_smba, ALI1535_SMB_IOSIZE, "ali1535-smb")) {
+ if (!request_region(ali1535_smba, ALI1535_SMB_IOSIZE,
+ ali1535_driver.name)) {
dev_err(&dev->dev, "ALI1535_smb region 0x%x already in use!\n",
ali1535_smba);
goto exit;
@@ -480,7 +481,6 @@ static struct i2c_adapter ali1535_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id ali1535_ids[] = {
@@ -513,6 +513,7 @@ static void __devexit ali1535_remove(struct pci_dev *dev)
}
static struct pci_driver ali1535_driver = {
+ .owner = THIS_MODULE,
.name = "ali1535_smbus",
.id_table = ali1535_ids,
.probe = ali1535_probe,
diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c
index 86947504aea1..f1a62d892425 100644
--- a/drivers/i2c/busses/i2c-ali1563.c
+++ b/drivers/i2c/busses/i2c-ali1563.c
@@ -60,6 +60,7 @@
#define HST_CNTL2_SIZEMASK 0x38
+static struct pci_driver ali1563_pci_driver;
static unsigned short ali1563_smba;
static int ali1563_transaction(struct i2c_adapter * a, int size)
@@ -350,7 +351,8 @@ static int __devinit ali1563_setup(struct pci_dev * dev)
dev_warn(&dev->dev,"ali1563_smba Uninitialized\n");
goto Err;
}
- if (!request_region(ali1563_smba,ALI1563_SMB_IOSIZE,"i2c-ali1563")) {
+ if (!request_region(ali1563_smba, ALI1563_SMB_IOSIZE,
+ ali1563_pci_driver.name)) {
dev_warn(&dev->dev,"Could not allocate I/O space");
goto Err;
}
@@ -406,7 +408,8 @@ static struct pci_device_id __devinitdata ali1563_id_table[] = {
MODULE_DEVICE_TABLE (pci, ali1563_id_table);
static struct pci_driver ali1563_pci_driver = {
- .name = "ali1563_i2c",
+ .owner = THIS_MODULE,
+ .name = "ali1563_smbus",
.id_table = ali1563_id_table,
.probe = ali1563_probe,
.remove = __devexit_p(ali1563_remove),
diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
index b3f50bff39a0..400b08ed4299 100644
--- a/drivers/i2c/busses/i2c-ali15x3.c
+++ b/drivers/i2c/busses/i2c-ali15x3.c
@@ -125,12 +125,13 @@
/* If force_addr is set to anything different from 0, we forcibly enable
the device at the given address. */
-static u16 force_addr = 0;
+static u16 force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr,
"Initialize the base address of the i2c controller");
-static unsigned short ali15x3_smba = 0;
+static struct pci_driver ali15x3_driver;
+static unsigned short ali15x3_smba;
static int ali15x3_setup(struct pci_dev *ALI15X3_dev)
{
@@ -166,7 +167,8 @@ static int ali15x3_setup(struct pci_dev *ALI15X3_dev)
if(force_addr)
ali15x3_smba = force_addr & ~(ALI15X3_SMB_IOSIZE - 1);
- if (!request_region(ali15x3_smba, ALI15X3_SMB_IOSIZE, "ali15x3-smb")) {
+ if (!request_region(ali15x3_smba, ALI15X3_SMB_IOSIZE,
+ ali15x3_driver.name)) {
dev_err(&ALI15X3_dev->dev,
"ALI15X3_smb region 0x%x already in use!\n",
ali15x3_smba);
@@ -470,7 +472,6 @@ static struct i2c_adapter ali15x3_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id ali15x3_ids[] = {
@@ -503,6 +504,7 @@ static void __devexit ali15x3_remove(struct pci_dev *dev)
}
static struct pci_driver ali15x3_driver = {
+ .owner = THIS_MODULE,
.name = "ali15x3_smbus",
.id_table = ali15x3_ids,
.probe = ali15x3_probe,
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c
index 4e553e8c5cba..f51ab652300a 100644
--- a/drivers/i2c/busses/i2c-amd756-s4882.c
+++ b/drivers/i2c/busses/i2c-amd756-s4882.c
@@ -169,12 +169,12 @@ static int __init amd756_s4882_init(void)
init_MUTEX(&amd756_lock);
/* Define the 5 virtual adapters and algorithms structures */
- if (!(s4882_adapter = kmalloc(5 * sizeof(struct i2c_adapter),
+ if (!(s4882_adapter = kzalloc(5 * sizeof(struct i2c_adapter),
GFP_KERNEL))) {
error = -ENOMEM;
goto ERROR1;
}
- if (!(s4882_algo = kmalloc(5 * sizeof(struct i2c_algorithm),
+ if (!(s4882_algo = kzalloc(5 * sizeof(struct i2c_algorithm),
GFP_KERNEL))) {
error = -ENOMEM;
goto ERROR2;
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 6ad0603384b8..de035d137c3f 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -85,8 +85,8 @@
#define AMD756_PROCESS_CALL 0x04
#define AMD756_BLOCK_DATA 0x05
-
-static unsigned short amd756_ioport = 0;
+static struct pci_driver amd756_driver;
+static unsigned short amd756_ioport;
/*
SMBUS event = I/O 28-29 bit 11
@@ -303,7 +303,6 @@ struct i2c_adapter amd756_smbus = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
enum chiptype { AMD756, AMD766, AMD768, NFORCE, AMD8111 };
@@ -365,7 +364,7 @@ static int __devinit amd756_probe(struct pci_dev *pdev,
amd756_ioport += SMB_ADDR_OFFSET;
}
- if (!request_region(amd756_ioport, SMB_IOSIZE, "amd756-smbus")) {
+ if (!request_region(amd756_ioport, SMB_IOSIZE, amd756_driver.name)) {
dev_err(&pdev->dev, "SMB region 0x%x already in use!\n",
amd756_ioport);
return -ENODEV;
@@ -402,6 +401,7 @@ static void __devexit amd756_remove(struct pci_dev *dev)
}
static struct pci_driver amd756_driver = {
+ .owner = THIS_MODULE,
.name = "amd756_smbus",
.id_table = amd756_ids,
.probe = amd756_probe,
diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 45ea24ba14d5..f3b79a68dbec 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -30,6 +30,8 @@ struct amd_smbus {
int size;
};
+static struct pci_driver amd8111_driver;
+
/*
* AMD PCI control registers definitions.
*/
@@ -242,7 +244,6 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short fl
break;
case I2C_SMBUS_BLOCK_PROC_CALL:
- protocol |= pec;
len = min_t(u8, data->block[0], 31);
amd_ec_write(smbus, AMD_SMB_CMD, command);
amd_ec_write(smbus, AMD_SMB_BCNT, len);
@@ -252,13 +253,6 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 addr, unsigned short fl
read_write = I2C_SMBUS_READ;
break;
- case I2C_SMBUS_WORD_DATA_PEC:
- case I2C_SMBUS_BLOCK_DATA_PEC:
- case I2C_SMBUS_PROC_CALL_PEC:
- case I2C_SMBUS_BLOCK_PROC_CALL_PEC:
- dev_warn(&adap->dev, "Unexpected software PEC transaction %d\n.", size);
- return -1;
-
default:
dev_warn(&adap->dev, "Unsupported transaction %d\n", size);
return -1;
@@ -343,16 +337,15 @@ static int __devinit amd8111_probe(struct pci_dev *dev, const struct pci_device_
if (~pci_resource_flags(dev, 0) & IORESOURCE_IO)
return -ENODEV;
- smbus = kmalloc(sizeof(struct amd_smbus), GFP_KERNEL);
+ smbus = kzalloc(sizeof(struct amd_smbus), GFP_KERNEL);
if (!smbus)
return -ENOMEM;
- memset(smbus, 0, sizeof(struct amd_smbus));
smbus->dev = dev;
smbus->base = pci_resource_start(dev, 0);
smbus->size = pci_resource_len(dev, 0);
- if (!request_region(smbus->base, smbus->size, "amd8111 SMBus 2.0"))
+ if (!request_region(smbus->base, smbus->size, amd8111_driver.name))
goto out_kfree;
smbus->adapter.owner = THIS_MODULE;
@@ -391,6 +384,7 @@ static void __devexit amd8111_remove(struct pci_dev *dev)
}
static struct pci_driver amd8111_driver = {
+ .owner = THIS_MODULE,
.name = "amd8111_smbus2",
.id_table = amd8111_ids,
.probe = amd8111_probe,
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c
index 6930b660e508..59f8308c2356 100644
--- a/drivers/i2c/busses/i2c-elektor.c
+++ b/drivers/i2c/busses/i2c-elektor.c
@@ -22,7 +22,7 @@
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
Frodo Looijaard <frodol@dds.nl> */
-/* Partialy rewriten by Oleg I. Vdovikin for mmapped support of
+/* Partialy rewriten by Oleg I. Vdovikin for mmapped support of
for Alpha Processor Inc. UP-2000(+) boards */
#include <linux/kernel.h>
@@ -46,12 +46,14 @@
#define DEFAULT_BASE 0x330
static int base;
+static u8 __iomem *base_iomem;
+
static int irq;
static int clock = 0x1c;
static int own = 0x55;
static int mmapped;
-/* vdovikin: removed static struct i2c_pcf_isa gpi; code -
+/* vdovikin: removed static struct i2c_pcf_isa gpi; code -
this module in real supports only one device, due to missing arguments
in some functions, called from the algo-pcf module. Sometimes it's
need to be rewriten - but for now just remove this for simpler reading */
@@ -60,40 +62,33 @@ static wait_queue_head_t pcf_wait;
static int pcf_pending;
static spinlock_t lock;
+static struct i2c_adapter pcf_isa_ops;
+
/* ----- local functions ---------------------------------------------- */
static void pcf_isa_setbyte(void *data, int ctl, int val)
{
- int address = ctl ? (base + 1) : base;
+ u8 __iomem *address = ctl ? (base_iomem + 1) : base_iomem;
/* enable irq if any specified for serial operation */
if (ctl && irq && (val & I2C_PCF_ESO)) {
val |= I2C_PCF_ENI;
}
- pr_debug("i2c-elektor: Write 0x%X 0x%02X\n", address, val & 255);
-
- switch (mmapped) {
- case 0: /* regular I/O */
- outb(val, address);
- break;
- case 2: /* double mapped I/O needed for UP2000 board,
- I don't know why this... */
- writeb(val, (void *)address);
- /* fall */
- case 1: /* memory mapped I/O */
- writeb(val, (void *)address);
- break;
- }
+ pr_debug("%s: Write %p 0x%02X\n", pcf_isa_ops.name, address, val);
+ iowrite8(val, address);
+#ifdef __alpha__
+ /* API UP2000 needs some hardware fudging to make the write stick */
+ iowrite8(val, address);
+#endif
}
static int pcf_isa_getbyte(void *data, int ctl)
{
- int address = ctl ? (base + 1) : base;
- int val = mmapped ? readb((void *)address) : inb(address);
-
- pr_debug("i2c-elektor: Read 0x%X 0x%02X\n", address, val);
+ u8 __iomem *address = ctl ? (base_iomem + 1) : base_iomem;
+ int val = ioread8(address);
+ pr_debug("%s: Read %p 0x%02X\n", pcf_isa_ops.name, address, val);
return (val);
}
@@ -149,16 +144,40 @@ static int pcf_isa_init(void)
{
spin_lock_init(&lock);
if (!mmapped) {
- if (!request_region(base, 2, "i2c (isa bus adapter)")) {
- printk(KERN_ERR
- "i2c-elektor: requested I/O region (0x%X:2) "
- "is in use.\n", base);
+ if (!request_region(base, 2, pcf_isa_ops.name)) {
+ printk(KERN_ERR "%s: requested I/O region (%#x:2) is "
+ "in use\n", pcf_isa_ops.name, base);
+ return -ENODEV;
+ }
+ base_iomem = ioport_map(base, 2);
+ if (!base_iomem) {
+ printk(KERN_ERR "%s: remap of I/O region %#x failed\n",
+ pcf_isa_ops.name, base);
+ release_region(base, 2);
+ return -ENODEV;
+ }
+ } else {
+ if (!request_mem_region(base, 2, pcf_isa_ops.name)) {
+ printk(KERN_ERR "%s: requested memory region (%#x:2) "
+ "is in use\n", pcf_isa_ops.name, base);
+ return -ENODEV;
+ }
+ base_iomem = ioremap(base, 2);
+ if (base_iomem == NULL) {
+ printk(KERN_ERR "%s: remap of memory region %#x "
+ "failed\n", pcf_isa_ops.name, base);
+ release_mem_region(base, 2);
return -ENODEV;
}
}
+ pr_debug("%s: registers %#x remapped to %p\n", pcf_isa_ops.name, base,
+ base_iomem);
+
if (irq > 0) {
- if (request_irq(irq, pcf_isa_handler, 0, "PCF8584", NULL) < 0) {
- printk(KERN_ERR "i2c-elektor: Request irq%d failed\n", irq);
+ if (request_irq(irq, pcf_isa_handler, 0, pcf_isa_ops.name,
+ NULL) < 0) {
+ printk(KERN_ERR "%s: Request irq%d failed\n",
+ pcf_isa_ops.name, irq);
irq = 0;
} else
enable_irq(irq);
@@ -186,47 +205,49 @@ static struct i2c_adapter pcf_isa_ops = {
.class = I2C_CLASS_HWMON,
.id = I2C_HW_P_ELEK,
.algo_data = &pcf_isa_data,
- .name = "PCF8584 ISA adapter",
+ .name = "i2c-elektor",
};
-static int __init i2c_pcfisa_init(void)
+static int __init i2c_pcfisa_init(void)
{
#ifdef __alpha__
- /* check to see we have memory mapped PCF8584 connected to the
+ /* check to see we have memory mapped PCF8584 connected to the
Cypress cy82c693 PCI-ISA bridge as on UP2000 board */
if (base == 0) {
struct pci_dev *cy693_dev;
-
- cy693_dev = pci_get_device(PCI_VENDOR_ID_CONTAQ,
+
+ cy693_dev = pci_get_device(PCI_VENDOR_ID_CONTAQ,
PCI_DEVICE_ID_CONTAQ_82C693, NULL);
if (cy693_dev) {
- char config;
+ unsigned char config;
/* yeap, we've found cypress, let's check config */
if (!pci_read_config_byte(cy693_dev, 0x47, &config)) {
-
- pr_debug("i2c-elektor: found cy82c693, config register 0x47 = 0x%02x.\n", config);
+
+ pr_debug("%s: found cy82c693, config "
+ "register 0x47 = 0x%02x\n",
+ pcf_isa_ops.name, config);
/* UP2000 board has this register set to 0xe1,
- but the most significant bit as seems can be
+ but the most significant bit as seems can be
reset during the proper initialisation
- sequence if guys from API decides to do that
- (so, we can even enable Tsunami Pchip
- window for the upper 1 Gb) */
+ sequence if guys from API decides to do that
+ (so, we can even enable Tsunami Pchip
+ window for the upper 1 Gb) */
/* so just check for ROMCS at 0xe0000,
- ROMCS enabled for writes
+ ROMCS enabled for writes
and external XD Bus buffer in use. */
if ((config & 0x7f) == 0x61) {
/* seems to be UP2000 like board */
base = 0xe0000;
- /* I don't know why we need to
- write twice */
- mmapped = 2;
- /* UP2000 drives ISA with
+ mmapped = 1;
+ /* UP2000 drives ISA with
8.25 MHz (PCI/4) clock
(this can be read from cypress) */
clock = I2C_PCF_CLK | I2C_PCF_TRNS90;
- printk(KERN_INFO "i2c-elektor: found API UP2000 like board, will probe PCF8584 later.\n");
+ pr_info("%s: found API UP2000 like "
+ "board, will probe PCF8584 "
+ "later\n", pcf_isa_ops.name);
}
}
pci_dev_put(cy693_dev);
@@ -236,12 +257,11 @@ static int __init i2c_pcfisa_init(void)
/* sanity checks for mmapped I/O */
if (mmapped && base < 0xc8000) {
- printk(KERN_ERR "i2c-elektor: incorrect base address (0x%0X) specified for mmapped I/O.\n", base);
+ printk(KERN_ERR "%s: incorrect base address (%#x) specified "
+ "for mmapped I/O\n", pcf_isa_ops.name, base);
return -ENODEV;
}
- printk(KERN_INFO "i2c-elektor: i2c pcf8584-isa adapter driver\n");
-
if (base == 0) {
base = DEFAULT_BASE;
}
@@ -251,8 +271,8 @@ static int __init i2c_pcfisa_init(void)
return -ENODEV;
if (i2c_pcf_add_bus(&pcf_isa_ops) < 0)
goto fail;
-
- printk(KERN_ERR "i2c-elektor: found device at %#x.\n", base);
+
+ dev_info(&pcf_isa_ops.dev, "found device at %#x\n", base);
return 0;
@@ -262,8 +282,13 @@ static int __init i2c_pcfisa_init(void)
free_irq(irq, NULL);
}
- if (!mmapped)
- release_region(base , 2);
+ if (!mmapped) {
+ ioport_unmap(base_iomem);
+ release_region(base, 2);
+ } else {
+ iounmap(base_iomem);
+ release_mem_region(base, 2);
+ }
return -ENODEV;
}
@@ -276,8 +301,13 @@ static void i2c_pcfisa_exit(void)
free_irq(irq, NULL);
}
- if (!mmapped)
- release_region(base , 2);
+ if (!mmapped) {
+ ioport_unmap(base_iomem);
+ release_region(base, 2);
+ } else {
+ iounmap(base_iomem);
+ release_mem_region(base, 2);
+ }
}
MODULE_AUTHOR("Hans Berglund <hb@spacetec.no>");
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index e0cb3b0f92fa..1b5354e24bf5 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -155,6 +155,7 @@ static void __devexit hydra_remove(struct pci_dev *dev)
static struct pci_driver hydra_driver = {
+ .owner = THIS_MODULE,
.name = "hydra_smbus",
.id_table = hydra_ids,
.probe = hydra_probe,
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 709beab76609..4f63195069da 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -52,10 +52,6 @@
#include <linux/i2c.h>
#include <asm/io.h>
-#ifdef I2C_FUNC_SMBUS_BLOCK_DATA_PEC
-#define HAVE_PEC
-#endif
-
/* I801 SMBus address offsets */
#define SMBHSTSTS (0 + i801_smba)
#define SMBHSTCNT (2 + i801_smba)
@@ -106,10 +102,11 @@ MODULE_PARM_DESC(force_addr,
"EXTREMELY DANGEROUS!");
static int i801_transaction(void);
-static int i801_block_transaction(union i2c_smbus_data *data,
- char read_write, int command);
+static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
+ int command, int hwpec);
static unsigned short i801_smba;
+static struct pci_driver i801_driver;
static struct pci_dev *I801_dev;
static int isich4;
@@ -143,7 +140,7 @@ static int i801_setup(struct pci_dev *dev)
}
}
- if (!request_region(i801_smba, (isich4 ? 16 : 8), "i801-smbus")) {
+ if (!request_region(i801_smba, (isich4 ? 16 : 8), i801_driver.name)) {
dev_err(&dev->dev, "I801_smb region 0x%x already in use!\n",
i801_smba);
error_return = -EBUSY;
@@ -252,7 +249,7 @@ static int i801_transaction(void)
/* All-inclusive block transaction function */
static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
- int command)
+ int command, int hwpec)
{
int i, len;
int smbcmd;
@@ -391,8 +388,7 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
goto END;
}
-#ifdef HAVE_PEC
- if(isich4 && command == I2C_SMBUS_BLOCK_DATA_PEC) {
+ if (hwpec) {
/* wait for INTR bit as advised by Intel */
timeout = 0;
do {
@@ -406,7 +402,6 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
}
outb_p(temp, SMBHSTSTS);
}
-#endif
result = 0;
END:
if (command == I2C_SMBUS_I2C_BLOCK_DATA) {
@@ -421,14 +416,13 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
unsigned short flags, char read_write, u8 command,
int size, union i2c_smbus_data * data)
{
- int hwpec = 0;
+ int hwpec;
int block = 0;
int ret, xact = 0;
-#ifdef HAVE_PEC
- if(isich4)
- hwpec = (flags & I2C_CLIENT_PEC) != 0;
-#endif
+ hwpec = isich4 && (flags & I2C_CLIENT_PEC)
+ && size != I2C_SMBUS_QUICK
+ && size != I2C_SMBUS_I2C_BLOCK_DATA;
switch (size) {
case I2C_SMBUS_QUICK:
@@ -463,11 +457,6 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
break;
case I2C_SMBUS_BLOCK_DATA:
case I2C_SMBUS_I2C_BLOCK_DATA:
-#ifdef HAVE_PEC
- case I2C_SMBUS_BLOCK_DATA_PEC:
- if(hwpec && size == I2C_SMBUS_BLOCK_DATA)
- size = I2C_SMBUS_BLOCK_DATA_PEC;
-#endif
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
SMBHSTADD);
outb_p(command, SMBHSTCMD);
@@ -479,27 +468,18 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr,
return -1;
}
-#ifdef HAVE_PEC
- if(isich4 && hwpec) {
- if(size != I2C_SMBUS_QUICK &&
- size != I2C_SMBUS_I2C_BLOCK_DATA)
- outb_p(1, SMBAUXCTL); /* enable HW PEC */
- }
-#endif
+ if (hwpec)
+ outb_p(1, SMBAUXCTL); /* enable hardware PEC */
+
if(block)
- ret = i801_block_transaction(data, read_write, size);
+ ret = i801_block_transaction(data, read_write, size, hwpec);
else {
outb_p(xact | ENABLE_INT9, SMBHSTCNT);
ret = i801_transaction();
}
-#ifdef HAVE_PEC
- if(isich4 && hwpec) {
- if(size != I2C_SMBUS_QUICK &&
- size != I2C_SMBUS_I2C_BLOCK_DATA)
- outb_p(0, SMBAUXCTL);
- }
-#endif
+ if (hwpec)
+ outb_p(0, SMBAUXCTL); /* disable hardware PEC */
if(block)
return ret;
@@ -526,12 +506,7 @@ static u32 i801_func(struct i2c_adapter *adapter)
return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_BLOCK_DATA | I2C_FUNC_SMBUS_WRITE_I2C_BLOCK
-#ifdef HAVE_PEC
- | (isich4 ? I2C_FUNC_SMBUS_BLOCK_DATA_PEC |
- I2C_FUNC_SMBUS_HWPEC_CALC
- : 0)
-#endif
- ;
+ | (isich4 ? I2C_FUNC_SMBUS_HWPEC_CALC : 0);
}
static struct i2c_algorithm smbus_algorithm = {
@@ -543,7 +518,6 @@ static struct i2c_adapter i801_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id i801_ids[] = {
@@ -586,6 +560,7 @@ static void __devexit i801_remove(struct pci_dev *dev)
}
static struct pci_driver i801_driver = {
+ .owner = THIS_MODULE,
.name = "i801_smbus",
.id_table = i801_ids,
.probe = i801_probe,
diff --git a/drivers/i2c/busses/i2c-i810.c b/drivers/i2c/busses/i2c-i810.c
index 0ff7016e0629..52bc30593bd7 100644
--- a/drivers/i2c/busses/i2c-i810.c
+++ b/drivers/i2c/busses/i2c-i810.c
@@ -32,6 +32,7 @@
i810AB 7123
i810E 7125
i815 1132
+ i845G 2562
*/
#include <linux/kernel.h>
@@ -232,6 +233,7 @@ static void __devexit i810_remove(struct pci_dev *dev)
}
static struct pci_driver i810_driver = {
+ .owner = THIS_MODULE,
.name = "i810_smbus",
.id_table = i810_ids,
.probe = i810_probe,
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index a3ed9590f028..1a587253d716 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -672,13 +672,12 @@ static int __devinit iic_probe(struct ocp_device *ocp){
printk(KERN_WARNING"ibm-iic%d: missing additional data!\n",
ocp->def->index);
- if (!(dev = kmalloc(sizeof(*dev), GFP_KERNEL))){
+ if (!(dev = kzalloc(sizeof(*dev), GFP_KERNEL))) {
printk(KERN_CRIT "ibm-iic%d: failed to allocate device data\n",
ocp->def->index);
return -ENOMEM;
}
- memset(dev, 0, sizeof(*dev));
dev->idx = ocp->def->index;
ocp_set_drvdata(ocp, dev);
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 7bd9102db701..9888fae1f37a 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -43,7 +43,7 @@
#include "i2c-iop3xx.h"
/* global unit counter */
-static int i2c_id = 0;
+static int i2c_id;
static inline unsigned char
iic_cook_addr(struct i2c_msg *msg)
@@ -440,19 +440,17 @@ iop3xx_i2c_probe(struct device *dev)
struct i2c_adapter *new_adapter;
struct i2c_algo_iop3xx_data *adapter_data;
- new_adapter = kmalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
+ new_adapter = kzalloc(sizeof(struct i2c_adapter), GFP_KERNEL);
if (!new_adapter) {
ret = -ENOMEM;
goto out;
}
- memset((void*)new_adapter, 0, sizeof(*new_adapter));
- adapter_data = kmalloc(sizeof(struct i2c_algo_iop3xx_data), GFP_KERNEL);
+ adapter_data = kzalloc(sizeof(struct i2c_algo_iop3xx_data), GFP_KERNEL);
if (!adapter_data) {
ret = -ENOMEM;
goto free_adapter;
}
- memset((void*)adapter_data, 0, sizeof(*adapter_data));
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -525,6 +523,7 @@ out:
static struct device_driver iop3xx_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "IOP3xx-I2C",
.bus = &platform_bus_type,
.probe = iop3xx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-isa.c b/drivers/i2c/busses/i2c-isa.c
index bdc6806dafae..4fdc02411609 100644
--- a/drivers/i2c/busses/i2c-isa.c
+++ b/drivers/i2c/busses/i2c-isa.c
@@ -92,6 +92,7 @@ int i2c_isa_add_driver(struct i2c_driver *driver)
/* Add the driver to the list of i2c drivers in the driver core */
driver->driver.name = driver->name;
+ driver->driver.owner = driver->owner;
driver->driver.bus = &i2c_bus_type;
driver->driver.probe = i2c_isa_device_probe;
driver->driver.remove = i2c_isa_device_remove;
diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c
index 1956af382cd8..42016ee6ef13 100644
--- a/drivers/i2c/busses/i2c-ixp2000.c
+++ b/drivers/i2c/busses/i2c-ixp2000.c
@@ -36,6 +36,8 @@
#include <asm/hardware.h> /* Pick up IXP2000-specific bits */
#include <asm/arch/gpio.h>
+static struct device_driver ixp2000_i2c_driver;
+
static inline int ixp2000_scl_pin(void *data)
{
return ((struct ixp2000_i2c_pins*)data)->scl_pin;
@@ -104,11 +106,10 @@ static int ixp2000_i2c_probe(struct device *dev)
struct platform_device *plat_dev = to_platform_device(dev);
struct ixp2000_i2c_pins *gpio = plat_dev->dev.platform_data;
struct ixp2000_i2c_data *drv_data =
- kmalloc(sizeof(struct ixp2000_i2c_data), GFP_KERNEL);
+ kzalloc(sizeof(struct ixp2000_i2c_data), GFP_KERNEL);
if (!drv_data)
return -ENOMEM;
- memzero(drv_data, sizeof(*drv_data));
drv_data->gpio_pins = gpio;
drv_data->algo_data.data = gpio;
@@ -121,6 +122,8 @@ static int ixp2000_i2c_probe(struct device *dev)
drv_data->algo_data.timeout = 100;
drv_data->adapter.id = I2C_HW_B_IXP2000,
+ strlcpy(drv_data->adapter.name, ixp2000_i2c_driver.name,
+ I2C_NAME_SIZE);
drv_data->adapter.algo_data = &drv_data->algo_data,
drv_data->adapter.dev.parent = &plat_dev->dev;
@@ -142,6 +145,7 @@ static int ixp2000_i2c_probe(struct device *dev)
}
static struct device_driver ixp2000_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "IXP2000-I2C",
.bus = &platform_bus_type,
.probe = ixp2000_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-ixp4xx.c b/drivers/i2c/busses/i2c-ixp4xx.c
index f6f5ca31fdba..69303ab65e04 100644
--- a/drivers/i2c/busses/i2c-ixp4xx.c
+++ b/drivers/i2c/busses/i2c-ixp4xx.c
@@ -35,6 +35,8 @@
#include <asm/hardware.h> /* Pick up IXP4xx-specific bits */
+static struct device_driver ixp4xx_i2c_driver;
+
static inline int ixp4xx_scl_pin(void *data)
{
return ((struct ixp4xx_i2c_pins*)data)->scl_pin;
@@ -105,12 +107,11 @@ static int ixp4xx_i2c_probe(struct device *dev)
struct platform_device *plat_dev = to_platform_device(dev);
struct ixp4xx_i2c_pins *gpio = plat_dev->dev.platform_data;
struct ixp4xx_i2c_data *drv_data =
- kmalloc(sizeof(struct ixp4xx_i2c_data), GFP_KERNEL);
+ kzalloc(sizeof(struct ixp4xx_i2c_data), GFP_KERNEL);
if(!drv_data)
return -ENOMEM;
- memzero(drv_data, sizeof(struct ixp4xx_i2c_data));
drv_data->gpio_pins = gpio;
/*
@@ -129,6 +130,8 @@ static int ixp4xx_i2c_probe(struct device *dev)
drv_data->algo_data.timeout = 100;
drv_data->adapter.id = I2C_HW_B_IXP4XX;
+ strlcpy(drv_data->adapter.name, ixp4xx_i2c_driver.name,
+ I2C_NAME_SIZE);
drv_data->adapter.algo_data = &drv_data->algo_data;
drv_data->adapter.dev.parent = &plat_dev->dev;
@@ -151,6 +154,7 @@ static int ixp4xx_i2c_probe(struct device *dev)
}
static struct device_driver ixp4xx_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "IXP4XX-I2C",
.bus = &platform_bus_type,
.probe = ixp4xx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-keywest.c b/drivers/i2c/busses/i2c-keywest.c
index eff5896ce865..d61f748278fc 100644
--- a/drivers/i2c/busses/i2c-keywest.c
+++ b/drivers/i2c/busses/i2c-keywest.c
@@ -535,13 +535,12 @@ create_iface(struct device_node *np, struct device *dev)
tsize = sizeof(struct keywest_iface) +
(sizeof(struct keywest_chan) + 4) * nchan;
- iface = (struct keywest_iface *) kmalloc(tsize, GFP_KERNEL);
+ iface = kzalloc(tsize, GFP_KERNEL);
if (iface == NULL) {
printk(KERN_ERR "i2c-keywest: can't allocate inteface !\n");
pmac_low_i2c_unlock(np);
return -ENOMEM;
}
- memset(iface, 0, tsize);
spin_lock_init(&iface->lock);
init_completion(&iface->complete);
iface->node = of_node_get(np);
@@ -716,6 +715,7 @@ static struct of_device_id i2c_keywest_match[] =
static struct macio_driver i2c_keywest_macio_driver =
{
+ .owner = THIS_MODULE,
.name = "i2c-keywest",
.match_table = i2c_keywest_match,
.probe = create_iface_macio,
@@ -724,6 +724,7 @@ static struct macio_driver i2c_keywest_macio_driver =
static struct of_platform_driver i2c_keywest_of_platform_driver =
{
+ .owner = THIS_MODULE,
.name = "i2c-keywest",
.match_table = i2c_keywest_match,
.probe = create_iface_of_platform,
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f065583ddcf1..8491633005b8 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -296,10 +296,9 @@ static int fsl_i2c_probe(struct device *device)
pdata = (struct fsl_i2c_platform_data *) pdev->dev.platform_data;
- if (!(i2c = kmalloc(sizeof(*i2c), GFP_KERNEL))) {
+ if (!(i2c = kzalloc(sizeof(*i2c), GFP_KERNEL))) {
return -ENOMEM;
}
- memset(i2c, 0, sizeof(*i2c));
i2c->irq = platform_get_irq(pdev, 0);
i2c->flags = pdata->device_flags;
@@ -361,6 +360,7 @@ static int fsl_i2c_remove(struct device *device)
/* Structure for a device driver */
static struct device_driver fsl_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "fsl-i2c",
.bus = &platform_bus_type,
.probe = fsl_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 99abca45fece..d0d2a6f1386e 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -500,13 +500,10 @@ mv64xxx_i2c_probe(struct device *dev)
if ((pd->id != 0) || !pdata)
return -ENODEV;
- drv_data = kmalloc(sizeof(struct mv64xxx_i2c_data), GFP_KERNEL);
-
+ drv_data = kzalloc(sizeof(struct mv64xxx_i2c_data), GFP_KERNEL);
if (!drv_data)
return -ENOMEM;
- memset(drv_data, 0, sizeof(struct mv64xxx_i2c_data));
-
if (mv64xxx_i2c_map_regs(pd, drv_data)) {
rc = -ENODEV;
goto exit_kfree;
@@ -570,6 +567,7 @@ mv64xxx_i2c_remove(struct device *dev)
}
static struct device_driver mv64xxx_i2c_driver = {
+ .owner = THIS_MODULE,
.name = MV64XXX_I2C_CTLR_NAME,
.bus = &platform_bus_type,
.probe = mv64xxx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index fe9c0f42a2b7..fd26036e68a3 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -97,6 +97,7 @@ struct nforce2_smbus {
#define NVIDIA_SMB_PRTCL_I2C_BLOCK_DATA 0x4a
#define NVIDIA_SMB_PRTCL_PEC 0x80
+static struct pci_driver nforce2_driver;
static s32 nforce2_access(struct i2c_adapter *adap, u16 addr,
unsigned short flags, char read_write,
@@ -113,7 +114,6 @@ static struct i2c_adapter nforce2_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
/* Return -1 on error. See smbus.h for more information */
@@ -188,13 +188,6 @@ static s32 nforce2_access(struct i2c_adapter * adap, u16 addr,
dev_err(&adap->dev, "I2C_SMBUS_BLOCK_PROC_CALL not supported!\n");
return -1;
- case I2C_SMBUS_WORD_DATA_PEC:
- case I2C_SMBUS_BLOCK_DATA_PEC:
- case I2C_SMBUS_PROC_CALL_PEC:
- case I2C_SMBUS_BLOCK_PROC_CALL_PEC:
- dev_err(&adap->dev, "Unexpected software PEC transaction %d\n.", size);
- return -1;
-
default:
dev_err(&adap->dev, "Unsupported transaction %d\n", size);
return -1;
@@ -285,7 +278,7 @@ static int __devinit nforce2_probe_smb (struct pci_dev *dev, int reg,
smbus->base = iobase & 0xfffc;
smbus->size = 8;
- if (!request_region(smbus->base, smbus->size, "nForce2 SMBus")) {
+ if (!request_region(smbus->base, smbus->size, nforce2_driver.name)) {
dev_err(&smbus->adapter.dev, "Error requesting region %02x .. %02X for %s\n",
smbus->base, smbus->base+smbus->size-1, name);
return -1;
@@ -313,10 +306,8 @@ static int __devinit nforce2_probe(struct pci_dev *dev, const struct pci_device_
int res1, res2;
/* we support 2 SMBus adapters */
- if (!(smbuses = (void *)kmalloc(2*sizeof(struct nforce2_smbus),
- GFP_KERNEL)))
+ if (!(smbuses = kzalloc(2*sizeof(struct nforce2_smbus), GFP_KERNEL)))
return -ENOMEM;
- memset (smbuses, 0, 2*sizeof(struct nforce2_smbus));
pci_set_drvdata(dev, smbuses);
/* SMBus adapter 1 */
@@ -356,6 +347,7 @@ static void __devexit nforce2_remove(struct pci_dev *dev)
}
static struct pci_driver nforce2_driver = {
+ .owner = THIS_MODULE,
.name = "nForce2_smbus",
.id_table = nforce2_ids,
.probe = nforce2_probe,
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 71a2502fe069..2854d858fc9b 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -155,12 +155,11 @@ static void i2c_parport_attach (struct parport *port)
{
struct i2c_par *adapter;
- adapter = kmalloc(sizeof(struct i2c_par), GFP_KERNEL);
+ adapter = kzalloc(sizeof(struct i2c_par), GFP_KERNEL);
if (adapter == NULL) {
- printk(KERN_ERR "i2c-parport: Failed to kmalloc\n");
+ printk(KERN_ERR "i2c-parport: Failed to kzalloc\n");
return;
}
- memset(adapter, 0x00, sizeof(struct i2c_par));
pr_debug("i2c-parport: attaching to %s\n", port->name);
adapter->pdev = parport_register_device(port, "i2c-parport",
@@ -232,7 +231,7 @@ static void i2c_parport_detach (struct parport *port)
}
}
-static struct parport_driver i2c_driver = {
+static struct parport_driver i2c_parport_driver = {
.name = "i2c-parport",
.attach = i2c_parport_attach,
.detach = i2c_parport_detach,
@@ -250,12 +249,12 @@ static int __init i2c_parport_init(void)
type = 0;
}
- return parport_register_driver(&i2c_driver);
+ return parport_register_driver(&i2c_parport_driver);
}
static void __exit i2c_parport_exit(void)
{
- parport_unregister_driver(&i2c_driver);
+ parport_unregister_driver(&i2c_parport_driver);
}
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 6d48a4da7bed..7d63eec423fe 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -90,13 +90,13 @@ struct sd {
/* If force is set to anything different from 0, we forcibly enable the
PIIX4. DANGEROUS! */
-static int force = 0;
+static int force;
module_param (force, int, 0);
MODULE_PARM_DESC(force, "Forcibly enable the PIIX4. DANGEROUS!");
/* If force_addr is set to anything different from 0, we forcibly enable
the PIIX4 at the given address. VERY DANGEROUS! */
-static int force_addr = 0;
+static int force_addr;
module_param (force_addr, int, 0);
MODULE_PARM_DESC(force_addr,
"Forcibly enable the PIIX4 at the given address. "
@@ -104,14 +104,15 @@ MODULE_PARM_DESC(force_addr,
/* If fix_hstcfg is set to anything different from 0, we reset one of the
registers to be a valid value. */
-static int fix_hstcfg = 0;
+static int fix_hstcfg;
module_param (fix_hstcfg, int, 0);
MODULE_PARM_DESC(fix_hstcfg,
"Fix config register. Needed on some boards (Force CPCI735).");
static int piix4_transaction(void);
-static unsigned short piix4_smba = 0;
+static unsigned short piix4_smba;
+static struct pci_driver piix4_driver;
static struct i2c_adapter piix4_adapter;
static struct dmi_system_id __devinitdata piix4_dmi_table[] = {
@@ -157,7 +158,7 @@ static int __devinit piix4_setup(struct pci_dev *PIIX4_dev,
}
}
- if (!request_region(piix4_smba, SMBIOSIZE, "piix4-smbus")) {
+ if (!request_region(piix4_smba, SMBIOSIZE, piix4_driver.name)) {
dev_err(&PIIX4_dev->dev, "SMB region 0x%x already in use!\n",
piix4_smba);
return -ENODEV;
@@ -407,7 +408,6 @@ static struct i2c_adapter piix4_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id piix4_ids[] = {
@@ -462,6 +462,7 @@ static void __devexit piix4_remove(struct pci_dev *dev)
}
static struct pci_driver piix4_driver = {
+ .owner = THIS_MODULE,
.name = "piix4_smbus",
.id_table = piix4_ids,
.probe = piix4_probe,
diff --git a/drivers/i2c/busses/i2c-pmac-smu.c b/drivers/i2c/busses/i2c-pmac-smu.c
index 8a9f5648a23d..bfefe7f7a53d 100644
--- a/drivers/i2c/busses/i2c-pmac-smu.c
+++ b/drivers/i2c/busses/i2c-pmac-smu.c
@@ -211,12 +211,11 @@ static int create_iface(struct device_node *np, struct device *dev)
}
busid = *reg;
- iface = kmalloc(sizeof(struct smu_iface), GFP_KERNEL);
+ iface = kzalloc(sizeof(struct smu_iface), GFP_KERNEL);
if (iface == NULL) {
printk(KERN_ERR "i2c-pmac-smu: can't allocate inteface !\n");
return -ENOMEM;
}
- memset(iface, 0, sizeof(struct smu_iface));
init_completion(&iface->complete);
iface->busid = busid;
diff --git a/drivers/i2c/busses/i2c-prosavage.c b/drivers/i2c/busses/i2c-prosavage.c
index 83fd16d61ce5..42cb1d8ca659 100644
--- a/drivers/i2c/busses/i2c-prosavage.c
+++ b/drivers/i2c/busses/i2c-prosavage.c
@@ -83,11 +83,6 @@ struct s_i2c_chip {
/*
* i2c configuration
*/
-#ifndef I2C_HW_B_S3VIA
-#define I2C_HW_B_S3VIA 0x18 /* S3VIA ProSavage adapter */
-#endif
-
-/* delays */
#define CYCLE_DELAY 10
#define TIMEOUT (HZ / 2)
@@ -241,14 +236,12 @@ static int __devinit prosavage_probe(struct pci_dev *dev, const struct pci_devic
struct s_i2c_chip *chip;
struct s_i2c_bus *bus;
- pci_set_drvdata(dev, kmalloc(sizeof(struct s_i2c_chip), GFP_KERNEL));
+ pci_set_drvdata(dev, kzalloc(sizeof(struct s_i2c_chip), GFP_KERNEL));
chip = (struct s_i2c_chip *)pci_get_drvdata(dev);
if (chip == NULL) {
return -ENOMEM;
}
- memset(chip, 0, sizeof(struct s_i2c_chip));
-
base = dev->resource[0].start & PCI_BASE_ADDRESS_MEM_MASK;
len = dev->resource[0].end - base + 1;
chip->mmio = ioremap_nocache(base, len);
@@ -308,6 +301,7 @@ static struct pci_device_id prosavage_pci_tbl[] = {
MODULE_DEVICE_TABLE (pci, prosavage_pci_tbl);
static struct pci_driver prosavage_driver = {
+ .owner = THIS_MODULE,
.name = "prosavage_smbus",
.id_table = prosavage_pci_tbl,
.probe = prosavage_probe,
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 73a092fb0e7e..6ced28e90070 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -879,14 +879,12 @@ static int s3c24xx_i2c_remove(struct device *dev)
}
#ifdef CONFIG_PM
-static int s3c24xx_i2c_resume(struct device *dev, u32 level)
+static int s3c24xx_i2c_resume(struct device *dev)
{
struct s3c24xx_i2c *i2c = dev_get_drvdata(dev);
-
- if (i2c != NULL && level == RESUME_ENABLE) {
- dev_dbg(dev, "resume: level %d\n", level);
+
+ if (i2c != NULL)
s3c24xx_i2c_init(i2c);
- }
return 0;
}
@@ -898,6 +896,7 @@ static int s3c24xx_i2c_resume(struct device *dev, u32 level)
/* device driver for platform bus bits */
static struct device_driver s3c2410_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "s3c2410-i2c",
.bus = &platform_bus_type,
.probe = s3c24xx_i2c_probe,
@@ -906,6 +905,7 @@ static struct device_driver s3c2410_i2c_driver = {
};
static struct device_driver s3c2440_i2c_driver = {
+ .owner = THIS_MODULE,
.name = "s3c2440-i2c",
.bus = &platform_bus_type,
.probe = s3c24xx_i2c_probe,
diff --git a/drivers/i2c/busses/i2c-savage4.c b/drivers/i2c/busses/i2c-savage4.c
index 0c8518298e4d..aebe87ba4033 100644
--- a/drivers/i2c/busses/i2c-savage4.c
+++ b/drivers/i2c/busses/i2c-savage4.c
@@ -179,6 +179,7 @@ static void __devexit savage4_remove(struct pci_dev *dev)
}
static struct pci_driver savage4_driver = {
+ .owner = THIS_MODULE,
.name = "savage4_smbus",
.id_table = savage4_ids,
.probe = savage4_probe,
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index 080318d6f54b..3ad27c3ba15b 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -123,11 +123,12 @@ static int blacklist[] = {
/* If force_addr is set to anything different from 0, we forcibly enable
the device at the given address. */
-static u16 force_addr = 0;
+static u16 force_addr;
module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr, "Initialize the base address of the i2c controller");
-static unsigned short sis5595_base = 0;
+static struct pci_driver sis5595_driver;
+static unsigned short sis5595_base;
static u8 sis5595_read(u8 reg)
{
@@ -172,7 +173,8 @@ static int sis5595_setup(struct pci_dev *SIS5595_dev)
/* NB: We grab just the two SMBus registers here, but this may still
* interfere with ACPI :-( */
- if (!request_region(sis5595_base + SMB_INDEX, 2, "sis5595-smbus")) {
+ if (!request_region(sis5595_base + SMB_INDEX, 2,
+ sis5595_driver.name)) {
dev_err(&SIS5595_dev->dev, "SMBus registers 0x%04x-0x%04x already in use!\n",
sis5595_base + SMB_INDEX, sis5595_base + SMB_INDEX + 1);
return -ENODEV;
@@ -364,7 +366,6 @@ static struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis5595_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
- .name = "unset",
.algo = &smbus_algorithm,
};
@@ -397,6 +398,7 @@ static void __devexit sis5595_remove(struct pci_dev *dev)
}
static struct pci_driver sis5595_driver = {
+ .owner = THIS_MODULE,
.name = "sis5595_smbus",
.id_table = sis5595_ids,
.probe = sis5595_probe,
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index 86f0f448fa0b..7f49e5fd3ff0 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -92,6 +92,8 @@
#define SIS630_PCALL 0x04
#define SIS630_BLOCK_DATA 0x05
+static struct pci_driver sis630_driver;
+
/* insmod parameters */
static int high_clock;
static int force;
@@ -101,7 +103,7 @@ module_param(force, bool, 0);
MODULE_PARM_DESC(force, "Forcibly enable the SIS630. DANGEROUS!");
/* acpi base address */
-static unsigned short acpi_base = 0;
+static unsigned short acpi_base;
/* supported chips */
static int supported[] = {
@@ -432,7 +434,8 @@ static int sis630_setup(struct pci_dev *sis630_dev)
dev_dbg(&sis630_dev->dev, "ACPI base at 0x%04x\n", acpi_base);
/* Everything is happy, let's grab the memory and set things up. */
- if (!request_region(acpi_base + SMB_STS, SIS630_SMB_IOREGION, "sis630-smbus")) {
+ if (!request_region(acpi_base + SMB_STS, SIS630_SMB_IOREGION,
+ sis630_driver.name)) {
dev_err(&sis630_dev->dev, "SMBus registers 0x%04x-0x%04x already "
"in use!\n", acpi_base + SMB_STS, acpi_base + SMB_SAA);
goto exit;
@@ -455,7 +458,6 @@ static struct i2c_algorithm smbus_algorithm = {
static struct i2c_adapter sis630_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
- .name = "unset",
.algo = &smbus_algorithm,
};
@@ -494,6 +496,7 @@ static void __devexit sis630_remove(struct pci_dev *dev)
static struct pci_driver sis630_driver = {
+ .owner = THIS_MODULE,
.name = "sis630_smbus",
.id_table = sis630_ids,
.probe = sis630_probe,
diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index ead2ff3cf60e..6a134c091324 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -82,8 +82,9 @@
#define SIS96x_PROC_CALL 0x04
#define SIS96x_BLOCK_DATA 0x05
+static struct pci_driver sis96x_driver;
static struct i2c_adapter sis96x_adapter;
-static u16 sis96x_smbus_base = 0;
+static u16 sis96x_smbus_base;
static inline u8 sis96x_read(u8 reg)
{
@@ -257,7 +258,6 @@ static struct i2c_adapter sis96x_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id sis96x_ids[] = {
@@ -294,7 +294,8 @@ static int __devinit sis96x_probe(struct pci_dev *dev,
sis96x_smbus_base);
/* Everything is happy, let's grab the memory and set things up. */
- if (!request_region(sis96x_smbus_base, SMB_IOSIZE, "sis96x-smbus")) {
+ if (!request_region(sis96x_smbus_base, SMB_IOSIZE,
+ sis96x_driver.name)) {
dev_err(&dev->dev, "SMBus registers 0x%04x-0x%04x "
"already in use!\n", sis96x_smbus_base,
sis96x_smbus_base + SMB_IOSIZE - 1);
@@ -328,6 +329,7 @@ static void __devexit sis96x_remove(struct pci_dev *dev)
}
static struct pci_driver sis96x_driver = {
+ .owner = THIS_MODULE,
.name = "sis96x_smbus",
.id_table = sis96x_ids,
.probe = sis96x_probe,
diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c
index 040b8abeabba..544a38e64394 100644
--- a/drivers/i2c/busses/i2c-via.c
+++ b/drivers/i2c/busses/i2c-via.c
@@ -43,9 +43,9 @@
/* io-region reservation */
#define IOSPACE 0x06
-#define IOTEXT "via-i2c"
-static u16 pm_io_base = 0;
+static struct pci_driver vt586b_driver;
+static u16 pm_io_base;
/*
It does not appear from the datasheet that the GPIO pins are
@@ -130,7 +130,7 @@ static int __devinit vt586b_probe(struct pci_dev *dev, const struct pci_device_i
pci_read_config_word(dev, base, &pm_io_base);
pm_io_base &= (0xff << 8);
- if (!request_region(I2C_DIR, IOSPACE, IOTEXT)) {
+ if (!request_region(I2C_DIR, IOSPACE, vt586b_driver.name)) {
dev_err(&dev->dev, "IO 0x%x-0x%x already in use\n", I2C_DIR, I2C_DIR + IOSPACE);
return -ENODEV;
}
@@ -159,6 +159,7 @@ static void __devexit vt586b_remove(struct pci_dev *dev)
static struct pci_driver vt586b_driver = {
+ .owner = THIS_MODULE,
.name = "vt586b_smbus",
.id_table = vt586b_ids,
.probe = vt586b_probe,
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 99d209e0485a..c9366b504833 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -1,9 +1,10 @@
/*
i2c-viapro.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
- Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
+ Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>,
Philip Edelbrock <phil@netroedge.com>, Kyösti Mälkki <kmalkki@cc.hut.fi>,
Mark D. Studebaker <mdsxyz123@yahoo.com>
+ Copyright (C) 2005 Jean Delvare <khali@linux-fr.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -21,15 +22,19 @@
*/
/*
- Supports Via devices:
- 82C596A/B (0x3050)
- 82C596B (0x3051)
- 82C686A/B
- 8231
- 8233
- 8233A (0x3147 and 0x3177)
- 8235
- 8237
+ Supports the following VIA south bridges:
+
+ Chip name PCI ID REV I2C block
+ VT82C596A 0x3050 no
+ VT82C596B 0x3051 no
+ VT82C686A 0x3057 0x30 no
+ VT82C686B 0x3057 0x40 yes
+ VT8231 0x8235 no?
+ VT8233 0x3074 yes
+ VT8233A 0x3147 yes?
+ VT8235 0x3177 yes
+ VT8237R 0x3227 yes
+
Note: we assume there can only be one device, with one SMBus interface.
*/
@@ -38,7 +43,6 @@
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/stddef.h>
-#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/i2c.h>
#include <linux/init.h>
@@ -46,48 +50,37 @@
static struct pci_dev *vt596_pdev;
-#define SMBBA1 0x90
-#define SMBBA2 0x80
-#define SMBBA3 0xD0
+#define SMBBA1 0x90
+#define SMBBA2 0x80
+#define SMBBA3 0xD0
/* SMBus address offsets */
static unsigned short vt596_smba;
#define SMBHSTSTS (vt596_smba + 0)
-#define SMBHSLVSTS (vt596_smba + 1)
#define SMBHSTCNT (vt596_smba + 2)
#define SMBHSTCMD (vt596_smba + 3)
#define SMBHSTADD (vt596_smba + 4)
#define SMBHSTDAT0 (vt596_smba + 5)
#define SMBHSTDAT1 (vt596_smba + 6)
#define SMBBLKDAT (vt596_smba + 7)
-#define SMBSLVCNT (vt596_smba + 8)
-#define SMBSHDWCMD (vt596_smba + 9)
-#define SMBSLVEVT (vt596_smba + 0xA)
-#define SMBSLVDAT (vt596_smba + 0xC)
/* PCI Address Constants */
/* SMBus data in configuration space can be found in two places,
- We try to select the better one*/
-
-static unsigned short smb_cf_hstcfg = 0xD2;
+ We try to select the better one */
-#define SMBHSTCFG (smb_cf_hstcfg)
-#define SMBSLVC (smb_cf_hstcfg + 1)
-#define SMBSHDW1 (smb_cf_hstcfg + 2)
-#define SMBSHDW2 (smb_cf_hstcfg + 3)
-#define SMBREV (smb_cf_hstcfg + 4)
+static unsigned short SMBHSTCFG = 0xD2;
/* Other settings */
#define MAX_TIMEOUT 500
-#define ENABLE_INT9 0
/* VT82C596 constants */
-#define VT596_QUICK 0x00
-#define VT596_BYTE 0x04
-#define VT596_BYTE_DATA 0x08
-#define VT596_WORD_DATA 0x0C
-#define VT596_BLOCK_DATA 0x14
+#define VT596_QUICK 0x00
+#define VT596_BYTE 0x04
+#define VT596_BYTE_DATA 0x08
+#define VT596_WORD_DATA 0x0C
+#define VT596_BLOCK_DATA 0x14
+#define VT596_I2C_BLOCK_DATA 0x34
/* If force is set to anything different from 0, we forcibly enable the
@@ -105,40 +98,65 @@ MODULE_PARM_DESC(force_addr,
"EXTREMELY DANGEROUS!");
+static struct pci_driver vt596_driver;
static struct i2c_adapter vt596_adapter;
-/* Another internally used function */
-static int vt596_transaction(void)
+#define FEATURE_I2CBLOCK (1<<0)
+static unsigned int vt596_features;
+
+#ifdef DEBUG
+static void vt596_dump_regs(const char *msg, u8 size)
+{
+ dev_dbg(&vt596_adapter.dev, "%s: STS=%02x CNT=%02x CMD=%02x ADD=%02x "
+ "DAT=%02x,%02x\n", msg, inb_p(SMBHSTSTS), inb_p(SMBHSTCNT),
+ inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
+ inb_p(SMBHSTDAT1));
+
+ if (size == VT596_BLOCK_DATA
+ || size == VT596_I2C_BLOCK_DATA) {
+ int i;
+
+ dev_dbg(&vt596_adapter.dev, "BLK=");
+ for (i = 0; i < I2C_SMBUS_BLOCK_MAX / 2; i++)
+ printk("%02x,", inb_p(SMBBLKDAT));
+ printk("\n");
+ dev_dbg(&vt596_adapter.dev, " ");
+ for (; i < I2C_SMBUS_BLOCK_MAX - 1; i++)
+ printk("%02x,", inb_p(SMBBLKDAT));
+ printk("%02x\n", inb_p(SMBBLKDAT));
+ }
+}
+#else
+static inline void vt596_dump_regs(const char *msg, u8 size) { }
+#endif
+
+/* Return -1 on error, 0 on success */
+static int vt596_transaction(u8 size)
{
int temp;
int result = 0;
int timeout = 0;
- dev_dbg(&vt596_adapter.dev, "Transaction (pre): CNT=%02x, CMD=%02x, "
- "ADD=%02x, DAT0=%02x, DAT1=%02x\n", inb_p(SMBHSTCNT),
- inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
- inb_p(SMBHSTDAT1));
+ vt596_dump_regs("Transaction (pre)", size);
/* Make sure the SMBus host is ready to start transmitting */
if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
dev_dbg(&vt596_adapter.dev, "SMBus busy (0x%02x). "
- "Resetting...\n", temp);
-
+ "Resetting... ", temp);
+
outb_p(temp, SMBHSTSTS);
if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
- dev_dbg(&vt596_adapter.dev, "Failed! (0x%02x)\n", temp);
-
+ printk("Failed! (0x%02x)\n", temp);
return -1;
} else {
- dev_dbg(&vt596_adapter.dev, "Successfull!\n");
+ printk("Successful!\n");
}
}
- /* start the transaction by setting bit 6 */
- outb_p(inb(SMBHSTCNT) | 0x040, SMBHSTCNT);
+ /* Start the transaction by setting bit 6 */
+ outb_p(0x40 | (size & 0x3C), SMBHSTCNT);
- /* We will always wait for a fraction of a second!
- I don't know if VIA needs this, Intel did */
+ /* We will always wait for a fraction of a second */
do {
msleep(1);
temp = inb_p(SMBHSTSTS);
@@ -147,77 +165,61 @@ static int vt596_transaction(void)
/* If the SMBus is still busy, we give up */
if (timeout >= MAX_TIMEOUT) {
result = -1;
- dev_dbg(&vt596_adapter.dev, "SMBus Timeout!\n");
+ dev_err(&vt596_adapter.dev, "SMBus timeout!\n");
}
if (temp & 0x10) {
result = -1;
- dev_dbg(&vt596_adapter.dev, "Error: Failed bus transaction\n");
+ dev_err(&vt596_adapter.dev, "Transaction failed (0x%02x)\n",
+ inb_p(SMBHSTCNT) & 0x3C);
}
if (temp & 0x08) {
result = -1;
- dev_info(&vt596_adapter.dev, "Bus collision! SMBus may be "
- "locked until next hard\nreset. (sorry!)\n");
- /* Clock stops and slave is stuck in mid-transmission */
+ dev_err(&vt596_adapter.dev, "SMBus collision!\n");
}
if (temp & 0x04) {
result = -1;
- dev_dbg(&vt596_adapter.dev, "Error: no response!\n");
+ /* Quick commands are used to probe for chips, so
+ errors are expected, and we don't want to frighten the
+ user. */
+ if ((inb_p(SMBHSTCNT) & 0x3C) != VT596_QUICK)
+ dev_err(&vt596_adapter.dev, "Transaction error!\n");
}
- if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
+ /* Resetting status register */
+ if (temp & 0x1F)
outb_p(temp, SMBHSTSTS);
- if ((temp = inb_p(SMBHSTSTS)) & 0x1F) {
- dev_warn(&vt596_adapter.dev, "Failed reset at end "
- "of transaction (%02x)\n", temp);
- }
- }
- dev_dbg(&vt596_adapter.dev, "Transaction (post): CNT=%02x, CMD=%02x, "
- "ADD=%02x, DAT0=%02x, DAT1=%02x\n", inb_p(SMBHSTCNT),
- inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0),
- inb_p(SMBHSTDAT1));
-
+ vt596_dump_regs("Transaction (post)", size);
+
return result;
}
-/* Return -1 on error. */
+/* Return -1 on error, 0 on success */
static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
- unsigned short flags, char read_write, u8 command,
- int size, union i2c_smbus_data *data)
+ unsigned short flags, char read_write, u8 command,
+ int size, union i2c_smbus_data *data)
{
- int i, len;
+ int i;
switch (size) {
- case I2C_SMBUS_PROC_CALL:
- dev_info(&vt596_adapter.dev,
- "I2C_SMBUS_PROC_CALL not supported!\n");
- return -1;
case I2C_SMBUS_QUICK:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
size = VT596_QUICK;
break;
case I2C_SMBUS_BYTE:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
if (read_write == I2C_SMBUS_WRITE)
outb_p(command, SMBHSTCMD);
size = VT596_BYTE;
break;
case I2C_SMBUS_BYTE_DATA:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE)
outb_p(data->byte, SMBHSTDAT0);
size = VT596_BYTE_DATA;
break;
case I2C_SMBUS_WORD_DATA:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE) {
outb_p(data->word & 0xff, SMBHSTDAT0);
@@ -225,28 +227,33 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
}
size = VT596_WORD_DATA;
break;
+ case I2C_SMBUS_I2C_BLOCK_DATA:
+ if (!(vt596_features & FEATURE_I2CBLOCK))
+ goto exit_unsupported;
+ if (read_write == I2C_SMBUS_READ)
+ outb_p(I2C_SMBUS_BLOCK_MAX, SMBHSTDAT0);
+ /* Fall through */
case I2C_SMBUS_BLOCK_DATA:
- outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
- SMBHSTADD);
outb_p(command, SMBHSTCMD);
if (read_write == I2C_SMBUS_WRITE) {
- len = data->block[0];
- if (len < 0)
- len = 0;
+ u8 len = data->block[0];
if (len > I2C_SMBUS_BLOCK_MAX)
len = I2C_SMBUS_BLOCK_MAX;
outb_p(len, SMBHSTDAT0);
- i = inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
+ inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
for (i = 1; i <= len; i++)
outb_p(data->block[i], SMBBLKDAT);
}
- size = VT596_BLOCK_DATA;
+ size = (size == I2C_SMBUS_I2C_BLOCK_DATA) ?
+ VT596_I2C_BLOCK_DATA : VT596_BLOCK_DATA;
break;
+ default:
+ goto exit_unsupported;
}
- outb_p((size & 0x1C) + (ENABLE_INT9 & 1), SMBHSTCNT);
+ outb_p(((addr & 0x7f) << 1) | read_write, SMBHSTADD);
- if (vt596_transaction()) /* Error in transaction */
+ if (vt596_transaction(size)) /* Error in transaction */
return -1;
if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK))
@@ -254,35 +261,39 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
switch (size) {
case VT596_BYTE:
- /* Where is the result put? I assume here it is in
- * SMBHSTDAT0 but it might just as well be in the
- * SMBHSTCMD. No clue in the docs
- */
- data->byte = inb_p(SMBHSTDAT0);
- break;
case VT596_BYTE_DATA:
data->byte = inb_p(SMBHSTDAT0);
break;
case VT596_WORD_DATA:
data->word = inb_p(SMBHSTDAT0) + (inb_p(SMBHSTDAT1) << 8);
break;
+ case VT596_I2C_BLOCK_DATA:
case VT596_BLOCK_DATA:
data->block[0] = inb_p(SMBHSTDAT0);
if (data->block[0] > I2C_SMBUS_BLOCK_MAX)
data->block[0] = I2C_SMBUS_BLOCK_MAX;
- i = inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
+ inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */
for (i = 1; i <= data->block[0]; i++)
data->block[i] = inb_p(SMBBLKDAT);
break;
}
return 0;
+
+exit_unsupported:
+ dev_warn(&vt596_adapter.dev, "Unsupported command invoked! (0x%02x)\n",
+ size);
+ return -1;
}
static u32 vt596_func(struct i2c_adapter *adapter)
{
- return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
+ u32 func = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_BLOCK_DATA;
+
+ if (vt596_features & FEATURE_I2CBLOCK)
+ func |= I2C_FUNC_SMBUS_I2C_BLOCK;
+ return func;
}
static struct i2c_algorithm smbus_algorithm = {
@@ -294,7 +305,6 @@ static struct i2c_adapter vt596_adapter = {
.owner = THIS_MODULE,
.class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static int __devinit vt596_probe(struct pci_dev *pdev,
@@ -302,7 +312,7 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
{
unsigned char temp;
int error = -ENODEV;
-
+
/* Determine the address of the SMBus areas */
if (force_addr) {
vt596_smba = force_addr & 0xfff0;
@@ -311,12 +321,12 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
}
if ((pci_read_config_word(pdev, id->driver_data, &vt596_smba)) ||
- !(vt596_smba & 0x1)) {
+ !(vt596_smba & 0x0001)) {
/* try 2nd address and config reg. for 596 */
if (id->device == PCI_DEVICE_ID_VIA_82C596_3 &&
!pci_read_config_word(pdev, SMBBA2, &vt596_smba) &&
- (vt596_smba & 0x1)) {
- smb_cf_hstcfg = 0x84;
+ (vt596_smba & 0x0001)) {
+ SMBHSTCFG = 0x84;
} else {
/* no matches at all */
dev_err(&pdev->dev, "Cannot configure "
@@ -333,10 +343,10 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
return -ENODEV;
}
- found:
- if (!request_region(vt596_smba, 8, "viapro-smbus")) {
+found:
+ if (!request_region(vt596_smba, 8, vt596_driver.name)) {
dev_err(&pdev->dev, "SMBus region 0x%x already in use!\n",
- vt596_smba);
+ vt596_smba);
return -ENODEV;
}
@@ -348,16 +358,16 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
pci_write_config_word(pdev, id->driver_data, vt596_smba);
pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01);
dev_warn(&pdev->dev, "WARNING: SMBus interface set to new "
- "address 0x%04x!\n", vt596_smba);
- } else if ((temp & 1) == 0) {
+ "address 0x%04x!\n", vt596_smba);
+ } else if (!(temp & 0x01)) {
if (force) {
- /* NOTE: This assumes I/O space and other allocations
- * WERE done by the Bios! Don't complain if your
- * hardware does weird things after enabling this.
- * :') Check for Bios updates before resorting to
+ /* NOTE: This assumes I/O space and other allocations
+ * WERE done by the Bios! Don't complain if your
+ * hardware does weird things after enabling this.
+ * :') Check for Bios updates before resorting to
* this.
*/
- pci_write_config_byte(pdev, SMBHSTCFG, temp | 1);
+ pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01);
dev_info(&pdev->dev, "Enabling SMBus device\n");
} else {
dev_err(&pdev->dev, "SMBUS: Error: Host SMBus "
@@ -367,22 +377,28 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
}
}
- if ((temp & 0x0E) == 8)
- dev_dbg(&pdev->dev, "using Interrupt 9 for SMBus.\n");
- else if ((temp & 0x0E) == 0)
- dev_dbg(&pdev->dev, "using Interrupt SMI# for SMBus.\n");
- else
- dev_dbg(&pdev->dev, "Illegal Interrupt configuration "
- "(or code out of date)!\n");
-
- pci_read_config_byte(pdev, SMBREV, &temp);
- dev_dbg(&pdev->dev, "SMBREV = 0x%X\n", temp);
dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
+ switch (pdev->device) {
+ case PCI_DEVICE_ID_VIA_8237:
+ case PCI_DEVICE_ID_VIA_8235:
+ case PCI_DEVICE_ID_VIA_8233A:
+ case PCI_DEVICE_ID_VIA_8233_0:
+ vt596_features |= FEATURE_I2CBLOCK;
+ break;
+ case PCI_DEVICE_ID_VIA_82C686_4:
+ /* The VT82C686B (rev 0x40) does support I2C block
+ transactions, but the VT82C686A (rev 0x30) doesn't */
+ if (!pci_read_config_byte(pdev, PCI_REVISION_ID, &temp)
+ && temp >= 0x40)
+ vt596_features |= FEATURE_I2CBLOCK;
+ break;
+ }
+
vt596_adapter.dev.parent = &pdev->dev;
snprintf(vt596_adapter.name, I2C_NAME_SIZE,
- "SMBus Via Pro adapter at %04x", vt596_smba);
-
+ "SMBus Via Pro adapter at %04x", vt596_smba);
+
vt596_pdev = pci_dev_get(pdev);
if (i2c_add_adapter(&vt596_adapter)) {
pci_dev_put(vt596_pdev);
@@ -395,7 +411,7 @@ static int __devinit vt596_probe(struct pci_dev *pdev,
*/
return -ENODEV;
- release_region:
+release_region:
release_region(vt596_smba, 8);
return error;
}
@@ -420,9 +436,10 @@ static struct pci_device_id vt596_ids[] = {
{ 0, }
};
-MODULE_DEVICE_TABLE (pci, vt596_ids);
+MODULE_DEVICE_TABLE(pci, vt596_ids);
static struct pci_driver vt596_driver = {
+ .owner = THIS_MODULE,
.name = "vt596_smbus",
.id_table = vt596_ids,
.probe = vt596_probe,
diff --git a/drivers/i2c/busses/i2c-voodoo3.c b/drivers/i2c/busses/i2c-voodoo3.c
index b675773b0cc1..650c3ebde84c 100644
--- a/drivers/i2c/busses/i2c-voodoo3.c
+++ b/drivers/i2c/busses/i2c-voodoo3.c
@@ -225,6 +225,7 @@ static void __devexit voodoo3_remove(struct pci_dev *dev)
}
static struct pci_driver voodoo3_driver = {
+ .owner = THIS_MODULE,
.name = "voodoo3_smbus",
.id_table = voodoo3_ids,
.probe = voodoo3_probe,
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index a1d580e05361..d3478e084522 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -442,14 +442,13 @@ static int __init scx200_acb_create(int base, int index)
int rc = 0;
char description[64];
- iface = kmalloc(sizeof(*iface), GFP_KERNEL);
+ iface = kzalloc(sizeof(*iface), GFP_KERNEL);
if (!iface) {
printk(KERN_ERR NAME ": can't allocate memory\n");
rc = -ENOMEM;
goto errout;
}
- memset(iface, 0, sizeof(*iface));
adapter = &iface->adapter;
i2c_set_adapdata(adapter, iface);
snprintf(adapter->name, I2C_NAME_SIZE, "SCx200 ACB%d", index);
diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index 6bd44a44cd28..f9fae28f5612 100644
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -126,4 +126,13 @@ config SENSORS_MAX6875
This driver can also be built as a module. If so, the module
will be called max6875.
+config RTC_X1205_I2C
+ tristate "Xicor X1205 RTC chip"
+ depends on I2C && EXPERIMENTAL
+ help
+ If you say yes here you get support for the Xicor X1205 RTC chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called x1205.
+
endmenu
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
index a876dd42b860..46178b57b1f1 100644
--- a/drivers/i2c/chips/Makefile
+++ b/drivers/i2c/chips/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o
obj-$(CONFIG_SENSORS_RTC8564) += rtc8564.o
obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o
obj-$(CONFIG_TPS65010) += tps65010.o
+obj-$(CONFIG_RTC_X1205_I2C) += x1205.o
ifeq ($(CONFIG_I2C_DEBUG_CHIP),y)
EXTRA_CFLAGS += -DDEBUG
diff --git a/drivers/i2c/chips/ds1337.c b/drivers/i2c/chips/ds1337.c
index 9d3175c03395..01b037007410 100644
--- a/drivers/i2c/chips/ds1337.c
+++ b/drivers/i2c/chips/ds1337.c
@@ -243,11 +243,10 @@ static int ds1337_detect(struct i2c_adapter *adapter, int address, int kind)
I2C_FUNC_I2C))
goto exit;
- if (!(data = kmalloc(sizeof(struct ds1337_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct ds1337_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct ds1337_data));
INIT_LIST_HEAD(&data->list);
/* The common I2C client data is placed right before the
diff --git a/drivers/i2c/chips/ds1374.c b/drivers/i2c/chips/ds1374.c
index 0936327a946d..da488b735abf 100644
--- a/drivers/i2c/chips/ds1374.c
+++ b/drivers/i2c/chips/ds1374.c
@@ -167,7 +167,8 @@ static void ds1374_set_tlet(ulong arg)
static ulong new_time;
-DECLARE_TASKLET_DISABLED(ds1374_tasklet, ds1374_set_tlet, (ulong) & new_time);
+static DECLARE_TASKLET_DISABLED(ds1374_tasklet, ds1374_set_tlet,
+ (ulong) & new_time);
int ds1374_set_rtc_time(ulong nowtime)
{
@@ -193,13 +194,11 @@ static int ds1374_probe(struct i2c_adapter *adap, int addr, int kind)
struct i2c_client *client;
int rc;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!client)
return -ENOMEM;
- memset(client, 0, sizeof(struct i2c_client));
strncpy(client->name, DS1374_DRV_NAME, I2C_NAME_SIZE);
- client->flags = I2C_DF_NOTIFY;
client->addr = addr;
client->adapter = adap;
client->driver = &ds1374_driver;
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
index d58403a47908..4baf573fa04f 100644
--- a/drivers/i2c/chips/eeprom.c
+++ b/drivers/i2c/chips/eeprom.c
@@ -88,8 +88,8 @@ static void eeprom_update_client(struct i2c_client *client, u8 slice)
dev_dbg(&client->dev, "Starting eeprom update, slice %u\n", slice);
if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
- for (i = slice << 5; i < (slice + 1) << 5; i += I2C_SMBUS_I2C_BLOCK_MAX)
- if (i2c_smbus_read_i2c_block_data(client, i, data->data + i) != I2C_SMBUS_I2C_BLOCK_MAX)
+ for (i = slice << 5; i < (slice + 1) << 5; i += I2C_SMBUS_BLOCK_MAX)
+ if (i2c_smbus_read_i2c_block_data(client, i, data->data + i) != I2C_SMBUS_BLOCK_MAX)
goto exit;
} else {
if (i2c_smbus_write_byte(client, slice << 5)) {
@@ -155,7 +155,7 @@ static int eeprom_attach_adapter(struct i2c_adapter *adapter)
}
/* This function is called by i2c_probe */
-int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
+static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *new_client;
struct eeprom_data *data;
@@ -171,11 +171,10 @@ int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
| I2C_FUNC_SMBUS_BYTE))
goto exit;
- if (!(data = kmalloc(sizeof(struct eeprom_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct eeprom_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct eeprom_data));
new_client = &data->client;
memset(data->data, 0xff, EEPROM_SIZE);
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
index 8ee56d4b3891..eaa4742e04fa 100644
--- a/drivers/i2c/chips/isp1301_omap.c
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -888,6 +888,7 @@ static int otg_remove(struct device *dev)
}
struct device_driver omap_otg_driver = {
+ .owner = THIS_MODULE,
.name = "omap_otg",
.bus = &platform_bus_type,
.probe = otg_probe,
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c
index 3f14528a52a9..3df309ae44a6 100644
--- a/drivers/i2c/chips/m41t00.c
+++ b/drivers/i2c/chips/m41t00.c
@@ -174,13 +174,11 @@ m41t00_probe(struct i2c_adapter *adap, int addr, int kind)
struct i2c_client *client;
int rc;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+ client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
if (!client)
return -ENOMEM;
- memset(client, 0, sizeof(struct i2c_client));
strncpy(client->name, M41T00_DRV_NAME, I2C_NAME_SIZE);
- client->flags = I2C_DF_NOTIFY;
client->addr = addr;
client->adapter = adap;
client->driver = &m41t00_driver;
diff --git a/drivers/i2c/chips/max6875.c b/drivers/i2c/chips/max6875.c
index 9e1aeb69abf9..b376a006883c 100644
--- a/drivers/i2c/chips/max6875.c
+++ b/drivers/i2c/chips/max6875.c
@@ -179,16 +179,14 @@ static int max6875_detect(struct i2c_adapter *adapter, int address, int kind)
if (address & 1)
return 0;
- if (!(data = kmalloc(sizeof(struct max6875_data), GFP_KERNEL)))
+ if (!(data = kzalloc(sizeof(struct max6875_data), GFP_KERNEL)))
return -ENOMEM;
- memset(data, 0, sizeof(struct max6875_data));
/* A fake client is created on the odd address */
- if (!(fake_client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
+ if (!(fake_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) {
err = -ENOMEM;
goto exit_kfree1;
}
- memset(fake_client, 0, sizeof(struct i2c_client));
/* Init real i2c_client */
real_client = &data->client;
diff --git a/drivers/i2c/chips/pca9539.c b/drivers/i2c/chips/pca9539.c
index 225577fdda4d..59a930346229 100644
--- a/drivers/i2c/chips/pca9539.c
+++ b/drivers/i2c/chips/pca9539.c
@@ -122,11 +122,10 @@ static int pca9539_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet. */
- if (!(data = kmalloc(sizeof(struct pca9539_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct pca9539_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct pca9539_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
index 6525743ff9fd..c323c2de236c 100644
--- a/drivers/i2c/chips/pcf8574.c
+++ b/drivers/i2c/chips/pcf8574.c
@@ -115,7 +115,7 @@ static int pcf8574_attach_adapter(struct i2c_adapter *adapter)
}
/* This function is called by i2c_probe */
-int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
+static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *new_client;
struct pcf8574_data *data;
@@ -127,11 +127,10 @@ int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet. */
- if (!(data = kmalloc(sizeof(struct pcf8574_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct pcf8574_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct pcf8574_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/i2c/chips/pcf8591.c
index 80f1df9a4500..ce420a67560b 100644
--- a/drivers/i2c/chips/pcf8591.c
+++ b/drivers/i2c/chips/pcf8591.c
@@ -166,7 +166,7 @@ static int pcf8591_attach_adapter(struct i2c_adapter *adapter)
}
/* This function is called by i2c_probe */
-int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
+static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *new_client;
struct pcf8591_data *data;
@@ -178,11 +178,10 @@ int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet. */
- if (!(data = kmalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
+ if (!(data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
err = -ENOMEM;
goto exit;
}
- memset(data, 0, sizeof(struct pcf8591_data));
new_client = &data->client;
i2c_set_clientdata(new_client, data);
diff --git a/drivers/i2c/chips/rtc8564.c b/drivers/i2c/chips/rtc8564.c
index 0b5385c892b1..916cdc1af23c 100644
--- a/drivers/i2c/chips/rtc8564.c
+++ b/drivers/i2c/chips/rtc8564.c
@@ -148,17 +148,16 @@ static int rtc8564_attach(struct i2c_adapter *adap, int addr, int kind)
{addr, I2C_M_RD, 2, data}
};
- d = kmalloc(sizeof(struct rtc8564_data), GFP_KERNEL);
+ d = kzalloc(sizeof(struct rtc8564_data), GFP_KERNEL);
if (!d) {
ret = -ENOMEM;
goto done;
}
- memset(d, 0, sizeof(struct rtc8564_data));
new_client = &d->client;
strlcpy(new_client->name, "RTC8564", I2C_NAME_SIZE);
i2c_set_clientdata(new_client, d);
- new_client->flags = I2C_CLIENT_ALLOW_USE | I2C_DF_NOTIFY;
+ new_client->flags = I2C_CLIENT_ALLOW_USE;
new_client->addr = addr;
new_client->adapter = adap;
new_client->driver = &rtc8564_driver;
diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
index 280e9638c0f8..280dd7a45db6 100644
--- a/drivers/i2c/chips/tps65010.c
+++ b/drivers/i2c/chips/tps65010.c
@@ -500,11 +500,10 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
return 0;
}
- tps = kmalloc(sizeof *tps, GFP_KERNEL);
+ tps = kzalloc(sizeof *tps, GFP_KERNEL);
if (!tps)
return 0;
- memset(tps, 0, sizeof *tps);
init_MUTEX(&tps->lock);
INIT_WORK(&tps->work, tps65010_work, tps);
tps->irq = -1;
diff --git a/drivers/i2c/chips/x1205.c b/drivers/i2c/chips/x1205.c
new file mode 100644
index 000000000000..7da366cdc18c
--- /dev/null
+++ b/drivers/i2c/chips/x1205.c
@@ -0,0 +1,698 @@
+/*
+ * x1205.c - An i2c driver for the Xicor X1205 RTC
+ * Copyright 2004 Karen Spearel
+ * Copyright 2005 Alessandro Zummo
+ *
+ * please send all reports to:
+ * kas11 at tampabay dot rr dot com
+ * a dot zummo at towertech dot it
+ *
+ * based on the other drivers in this same directory.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/string.h>
+#include <linux/bcd.h>
+#include <linux/rtc.h>
+#include <linux/list.h>
+
+#include <linux/x1205.h>
+
+#define DRV_VERSION "0.9.9"
+
+/* Addresses to scan: none. This chip is located at
+ * 0x6f and uses a two bytes register addressing.
+ * Two bytes need to be written to read a single register,
+ * while most other chips just require one and take the second
+ * one as the data to be written. To prevent corrupting
+ * unknown chips, the user must explicitely set the probe parameter.
+ */
+
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+
+/* Insmod parameters */
+I2C_CLIENT_INSMOD;
+I2C_CLIENT_MODULE_PARM(hctosys,
+ "Set the system time from the hardware clock upon initialization");
+
+/* offsets into CCR area */
+
+#define CCR_SEC 0
+#define CCR_MIN 1
+#define CCR_HOUR 2
+#define CCR_MDAY 3
+#define CCR_MONTH 4
+#define CCR_YEAR 5
+#define CCR_WDAY 6
+#define CCR_Y2K 7
+
+#define X1205_REG_SR 0x3F /* status register */
+#define X1205_REG_Y2K 0x37
+#define X1205_REG_DW 0x36
+#define X1205_REG_YR 0x35
+#define X1205_REG_MO 0x34
+#define X1205_REG_DT 0x33
+#define X1205_REG_HR 0x32
+#define X1205_REG_MN 0x31
+#define X1205_REG_SC 0x30
+#define X1205_REG_DTR 0x13
+#define X1205_REG_ATR 0x12
+#define X1205_REG_INT 0x11
+#define X1205_REG_0 0x10
+#define X1205_REG_Y2K1 0x0F
+#define X1205_REG_DWA1 0x0E
+#define X1205_REG_YRA1 0x0D
+#define X1205_REG_MOA1 0x0C
+#define X1205_REG_DTA1 0x0B
+#define X1205_REG_HRA1 0x0A
+#define X1205_REG_MNA1 0x09
+#define X1205_REG_SCA1 0x08
+#define X1205_REG_Y2K0 0x07
+#define X1205_REG_DWA0 0x06
+#define X1205_REG_YRA0 0x05
+#define X1205_REG_MOA0 0x04
+#define X1205_REG_DTA0 0x03
+#define X1205_REG_HRA0 0x02
+#define X1205_REG_MNA0 0x01
+#define X1205_REG_SCA0 0x00
+
+#define X1205_CCR_BASE 0x30 /* Base address of CCR */
+#define X1205_ALM0_BASE 0x00 /* Base address of ALARM0 */
+
+#define X1205_SR_RTCF 0x01 /* Clock failure */
+#define X1205_SR_WEL 0x02 /* Write Enable Latch */
+#define X1205_SR_RWEL 0x04 /* Register Write Enable */
+
+#define X1205_DTR_DTR0 0x01
+#define X1205_DTR_DTR1 0x02
+#define X1205_DTR_DTR2 0x04
+
+#define X1205_HR_MIL 0x80 /* Set in ccr.hour for 24 hr mode */
+
+/* Prototypes */
+static int x1205_attach(struct i2c_adapter *adapter);
+static int x1205_detach(struct i2c_client *client);
+static int x1205_probe(struct i2c_adapter *adapter, int address, int kind);
+static int x1205_command(struct i2c_client *client, unsigned int cmd,
+ void *arg);
+
+static struct i2c_driver x1205_driver = {
+ .owner = THIS_MODULE,
+ .name = "x1205",
+ .flags = I2C_DF_NOTIFY,
+ .attach_adapter = &x1205_attach,
+ .detach_client = &x1205_detach,
+};
+
+struct x1205_data {
+ struct i2c_client client;
+ struct list_head list;
+ unsigned int epoch;
+};
+
+static const unsigned char days_in_mo[] =
+ { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+
+static LIST_HEAD(x1205_clients);
+
+/* Workaround until the I2C subsytem will allow to send
+ * commands to a specific client. This function will send the command
+ * to the first client.
+ */
+int x1205_do_command(unsigned int cmd, void *arg)
+{
+ struct list_head *walk;
+ struct list_head *tmp;
+ struct x1205_data *data;
+
+ list_for_each_safe(walk, tmp, &x1205_clients) {
+ data = list_entry(walk, struct x1205_data, list);
+ return x1205_command(&data->client, cmd, arg);
+ }
+
+ return -ENODEV;
+}
+
+#define is_leap(year) \
+ ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
+
+/* make sure the rtc_time values are in bounds */
+static int x1205_validate_tm(struct rtc_time *tm)
+{
+ int year = tm->tm_year + 1900;
+
+ if ((tm->tm_year < 70) || (tm->tm_year > 255))
+ return -EINVAL;
+
+ if ((tm->tm_mon > 11) || (tm->tm_mday == 0))
+ return -EINVAL;
+
+ if (tm->tm_mday > days_in_mo[tm->tm_mon]
+ + ((tm->tm_mon == 1) && is_leap(year)))
+ return -EINVAL;
+
+ if ((tm->tm_hour >= 24) || (tm->tm_min >= 60) || (tm->tm_sec >= 60))
+ return -EINVAL;
+
+ return 0;
+}
+
+/*
+ * In the routines that deal directly with the x1205 hardware, we use
+ * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch
+ * Epoch is initialized as 2000. Time is set to UTC.
+ */
+static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm,
+ u8 reg_base)
+{
+ unsigned char dt_addr[2] = { 0, reg_base };
+ static unsigned char sr_addr[2] = { 0, X1205_REG_SR };
+
+ unsigned char buf[8], sr;
+
+ struct i2c_msg msgs[] = {
+ { client->addr, 0, 2, sr_addr }, /* setup read ptr */
+ { client->addr, I2C_M_RD, 1, &sr }, /* read status */
+ { client->addr, 0, 2, dt_addr }, /* setup read ptr */
+ { client->addr, I2C_M_RD, 8, buf }, /* read date */
+ };
+
+ struct x1205_data *data = i2c_get_clientdata(client);
+
+ /* read status register */
+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__);
+ return -EIO;
+ }
+
+ /* check for battery failure */
+ if (sr & X1205_SR_RTCF) {
+ dev_warn(&client->dev,
+ "Clock had a power failure, you must set the date.\n");
+ return -EINVAL;
+ }
+
+ /* read date registers */
+ if ((i2c_transfer(client->adapter, &msgs[2], 2)) != 2) {
+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__);
+ return -EIO;
+ }
+
+ dev_dbg(&client->dev,
+ "%s: raw read data - sec=%02x, min=%02x, hr=%02x, "
+ "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n",
+ __FUNCTION__,
+ buf[0], buf[1], buf[2], buf[3],
+ buf[4], buf[5], buf[6], buf[7]);
+
+ tm->tm_sec = BCD2BIN(buf[CCR_SEC]);
+ tm->tm_min = BCD2BIN(buf[CCR_MIN]);
+ tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */
+ tm->tm_mday = BCD2BIN(buf[CCR_MDAY]);
+ tm->tm_mon = BCD2BIN(buf[CCR_MONTH]);
+ data->epoch = BCD2BIN(buf[CCR_Y2K]) * 100;
+ tm->tm_year = BCD2BIN(buf[CCR_YEAR]) + data->epoch - 1900;
+ tm->tm_wday = buf[CCR_WDAY];
+
+ dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
+ "mday=%d, mon=%d, year=%d, wday=%d\n",
+ __FUNCTION__,
+ tm->tm_sec, tm->tm_min, tm->tm_hour,
+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
+
+ return 0;
+}
+
+static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm,
+ int datetoo, u8 reg_base)
+{
+ int i, err, xfer;
+
+ unsigned char buf[8];
+
+ static const unsigned char wel[3] = { 0, X1205_REG_SR,
+ X1205_SR_WEL };
+
+ static const unsigned char rwel[3] = { 0, X1205_REG_SR,
+ X1205_SR_WEL | X1205_SR_RWEL };
+
+ static const unsigned char diswe[3] = { 0, X1205_REG_SR, 0 };
+
+ struct x1205_data *data = i2c_get_clientdata(client);
+
+ /* check if all values in the tm struct are correct */
+ if ((err = x1205_validate_tm(tm)) < 0)
+ return err;
+
+ dev_dbg(&client->dev, "%s: secs=%d, mins=%d, hours=%d, "
+ "mday=%d, mon=%d, year=%d, wday=%d\n",
+ __FUNCTION__,
+ tm->tm_sec, tm->tm_min, tm->tm_hour,
+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
+
+ buf[CCR_SEC] = BIN2BCD(tm->tm_sec);
+ buf[CCR_MIN] = BIN2BCD(tm->tm_min);
+
+ /* set hour and 24hr bit */
+ buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_HR_MIL;
+
+ /* should we also set the date? */
+ if (datetoo) {
+ buf[CCR_MDAY] = BIN2BCD(tm->tm_mday);
+
+ /* month, 0 - 11 */
+ buf[CCR_MONTH] = BIN2BCD(tm->tm_mon);
+
+ /* year, since 1900 */
+ buf[CCR_YEAR] = BIN2BCD(tm->tm_year + 1900 - data->epoch);
+ buf[CCR_WDAY] = tm->tm_wday & 0x07;
+ buf[CCR_Y2K] = BIN2BCD(data->epoch / 100);
+ }
+
+ /* this sequence is required to unlock the chip */
+ xfer = i2c_master_send(client, wel, 3);
+ if (xfer != 3) {
+ dev_err(&client->dev, "%s: wel - %d\n", __FUNCTION__, xfer);
+ return -EIO;
+ }
+
+ xfer = i2c_master_send(client, rwel, 3);
+ if (xfer != 3) {
+ dev_err(&client->dev, "%s: rwel - %d\n", __FUNCTION__, xfer);
+ return -EIO;
+ }
+
+ /* write register's data */
+ for (i = 0; i < (datetoo ? 8 : 3); i++) {
+ unsigned char rdata[3] = { 0, reg_base + i, buf[i] };
+
+ xfer = i2c_master_send(client, rdata, 3);
+ if (xfer != 3) {
+ dev_err(&client->dev,
+ "%s: xfer=%d addr=%02x, data=%02x\n",
+ __FUNCTION__,
+ xfer, rdata[1], rdata[2]);
+ return -EIO;
+ }
+ };
+
+ /* disable further writes */
+ xfer = i2c_master_send(client, diswe, 3);
+ if (xfer != 3) {
+ dev_err(&client->dev, "%s: diswe - %d\n", __FUNCTION__, xfer);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int x1205_get_dtrim(struct i2c_client *client, int *trim)
+{
+ unsigned char dtr;
+ static unsigned char dtr_addr[2] = { 0, X1205_REG_DTR };
+
+ struct i2c_msg msgs[] = {
+ { client->addr, 0, 2, dtr_addr }, /* setup read ptr */
+ { client->addr, I2C_M_RD, 1, &dtr }, /* read dtr */
+ };
+
+ /* read dtr register */
+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__);
+ return -EIO;
+ }
+
+ dev_dbg(&client->dev, "%s: raw dtr=%x\n", __FUNCTION__, dtr);
+
+ *trim = 0;
+
+ if (dtr & X1205_DTR_DTR0)
+ *trim += 20;
+
+ if (dtr & X1205_DTR_DTR1)
+ *trim += 10;
+
+ if (dtr & X1205_DTR_DTR2)
+ *trim = -*trim;
+
+ return 0;
+}
+
+static int x1205_get_atrim(struct i2c_client *client, int *trim)
+{
+ s8 atr;
+ static unsigned char atr_addr[2] = { 0, X1205_REG_ATR };
+
+ struct i2c_msg msgs[] = {
+ { client->addr, 0, 2, atr_addr }, /* setup read ptr */
+ { client->addr, I2C_M_RD, 1, &atr }, /* read atr */
+ };
+
+ /* read atr register */
+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) {
+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__);
+ return -EIO;
+ }
+
+ dev_dbg(&client->dev, "%s: raw atr=%x\n", __FUNCTION__, atr);
+
+ /* atr is a two's complement value on 6 bits,
+ * perform sign extension. The formula is
+ * Catr = (atr * 0.25pF) + 11.00pF.
+ */
+ if (atr & 0x20)
+ atr |= 0xC0;
+
+ dev_dbg(&client->dev, "%s: raw atr=%x (%d)\n", __FUNCTION__, atr, atr);
+
+ *trim = (atr * 250) + 11000;
+
+ dev_dbg(&client->dev, "%s: real=%d\n", __FUNCTION__, *trim);
+
+ return 0;
+}
+
+static int x1205_hctosys(struct i2c_client *client)
+{
+ int err;
+
+ struct rtc_time tm;
+ struct timespec tv;
+
+ err = x1205_command(client, X1205_CMD_GETDATETIME, &tm);
+
+ if (err) {
+ dev_err(&client->dev,
+ "Unable to set the system clock\n");
+ return err;
+ }
+
+ /* IMPORTANT: the RTC only stores whole seconds. It is arbitrary
+ * whether it stores the most close value or the value with partial
+ * seconds truncated. However, it is important that we use it to store
+ * the truncated value. This is because otherwise it is necessary,
+ * in an rtc sync function, to read both xtime.tv_sec and
+ * xtime.tv_nsec. On some processors (i.e. ARM), an atomic read
+ * of >32bits is not possible. So storing the most close value would
+ * slow down the sync API. So here we have the truncated value and
+ * the best guess is to add 0.5s.
+ */
+
+ tv.tv_nsec = NSEC_PER_SEC >> 1;
+
+ /* WARNING: this is not the C library 'mktime' call, it is a built in
+ * inline function from include/linux/time.h. It expects (requires)
+ * the month to be in the range 1-12
+ */
+
+ tv.tv_sec = mktime(tm.tm_year + 1900, tm.tm_mon + 1,
+ tm.tm_mday, tm.tm_hour,
+ tm.tm_min, tm.tm_sec);
+
+ do_settimeofday(&tv);
+
+ dev_info(&client->dev,
+ "setting the system clock to %d-%d-%d %d:%d:%d\n",
+ tm.tm_year + 1900, tm.tm_mon + 1,
+ tm.tm_mday, tm.tm_hour, tm.tm_min,
+ tm.tm_sec);
+
+ return 0;
+}
+
+struct x1205_limit
+{
+ unsigned char reg;
+ unsigned char mask;
+ unsigned char min;
+ unsigned char max;
+};
+
+static int x1205_validate_client(struct i2c_client *client)
+{
+ int i, xfer;
+
+ /* Probe array. We will read the register at the specified
+ * address and check if the given bits are zero.
+ */
+ static const unsigned char probe_zero_pattern[] = {
+ /* register, mask */
+ X1205_REG_SR, 0x18,
+ X1205_REG_DTR, 0xF8,
+ X1205_REG_ATR, 0xC0,
+ X1205_REG_INT, 0x18,
+ X1205_REG_0, 0xFF,
+ };
+
+ static const struct x1205_limit probe_limits_pattern[] = {
+ /* register, mask, min, max */
+ { X1205_REG_Y2K, 0xFF, 19, 20 },
+ { X1205_REG_DW, 0xFF, 0, 6 },
+ { X1205_REG_YR, 0xFF, 0, 99 },
+ { X1205_REG_MO, 0xFF, 0, 12 },
+ { X1205_REG_DT, 0xFF, 0, 31 },
+ { X1205_REG_HR, 0x7F, 0, 23 },
+ { X1205_REG_MN, 0xFF, 0, 59 },
+ { X1205_REG_SC, 0xFF, 0, 59 },
+ { X1205_REG_Y2K1, 0xFF, 19, 20 },
+ { X1205_REG_Y2K0, 0xFF, 19, 20 },
+ };
+
+ /* check that registers have bits a 0 where expected */
+ for (i = 0; i < ARRAY_SIZE(probe_zero_pattern); i += 2) {
+ unsigned char buf;
+
+ unsigned char addr[2] = { 0, probe_zero_pattern[i] };
+
+ struct i2c_msg msgs[2] = {
+ { client->addr, 0, 2, addr },
+ { client->addr, I2C_M_RD, 1, &buf },
+ };
+
+ xfer = i2c_transfer(client->adapter, msgs, 2);
+ if (xfer != 2) {
+ dev_err(&client->adapter->dev,
+ "%s: could not read register %x\n",
+ __FUNCTION__, addr[1]);
+
+ return -EIO;
+ }
+
+ if ((buf & probe_zero_pattern[i+1]) != 0) {
+ dev_err(&client->adapter->dev,
+ "%s: register=%02x, zero pattern=%d, value=%x\n",
+ __FUNCTION__, addr[1], i, buf);
+
+ return -ENODEV;
+ }
+ }
+
+ /* check limits (only registers with bcd values) */
+ for (i = 0; i < ARRAY_SIZE(probe_limits_pattern); i++) {
+ unsigned char reg, value;
+
+ unsigned char addr[2] = { 0, probe_limits_pattern[i].reg };
+
+ struct i2c_msg msgs[2] = {
+ { client->addr, 0, 2, addr },
+ { client->addr, I2C_M_RD, 1, &reg },
+ };
+
+ xfer = i2c_transfer(client->adapter, msgs, 2);
+
+ if (xfer != 2) {
+ dev_err(&client->adapter->dev,
+ "%s: could not read register %x\n",
+ __FUNCTION__, addr[1]);
+
+ return -EIO;
+ }
+
+ value = BCD2BIN(reg & probe_limits_pattern[i].mask);
+
+ if (value > probe_limits_pattern[i].max ||
+ value < probe_limits_pattern[i].min) {
+ dev_dbg(&client->adapter->dev,
+ "%s: register=%x, lim pattern=%d, value=%d\n",
+ __FUNCTION__, addr[1], i, value);
+
+ return -ENODEV;
+ }
+ }
+
+ return 0;
+}
+
+static int x1205_attach(struct i2c_adapter *adapter)
+{
+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__);
+
+ return i2c_probe(adapter, &addr_data, x1205_probe);
+}
+
+int x1205_direct_attach(int adapter_id,
+ struct i2c_client_address_data *address_data)
+{
+ int err;
+ struct i2c_adapter *adapter = i2c_get_adapter(adapter_id);
+
+ if (adapter) {
+ err = i2c_probe(adapter,
+ address_data, x1205_probe);
+
+ i2c_put_adapter(adapter);
+
+ return err;
+ }
+
+ return -ENODEV;
+}
+
+static int x1205_probe(struct i2c_adapter *adapter, int address, int kind)
+{
+ struct i2c_client *client;
+ struct x1205_data *data;
+
+ int err = 0;
+
+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__);
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) {
+ err = -ENODEV;
+ goto exit;
+ }
+
+ if (!(data = kzalloc(sizeof(struct x1205_data), GFP_KERNEL))) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ /* Initialize our structures */
+ data->epoch = 2000;
+
+ client = &data->client;
+ client->addr = address;
+ client->driver = &x1205_driver;
+ client->adapter = adapter;
+
+ strlcpy(client->name, "x1205", I2C_NAME_SIZE);
+
+ i2c_set_clientdata(client, data);
+
+ /* Verify the chip is really an X1205 */
+ if (kind < 0) {
+ if (x1205_validate_client(client) < 0) {
+ err = -ENODEV;
+ goto exit_kfree;
+ }
+ }
+
+ /* Inform the i2c layer */
+ if ((err = i2c_attach_client(client)))
+ goto exit_kfree;
+
+ list_add(&data->list, &x1205_clients);
+
+ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n");
+
+ /* If requested, set the system time */
+ if (hctosys)
+ x1205_hctosys(client);
+
+ return 0;
+
+exit_kfree:
+ kfree(data);
+
+exit:
+ return err;
+}
+
+static int x1205_detach(struct i2c_client *client)
+{
+ int err;
+ struct x1205_data *data = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "%s\n", __FUNCTION__);
+
+ if ((err = i2c_detach_client(client)))
+ return err;
+
+ list_del(&data->list);
+
+ kfree(data);
+
+ return 0;
+}
+
+static int x1205_command(struct i2c_client *client, unsigned int cmd,
+ void *param)
+{
+ if (param == NULL)
+ return -EINVAL;
+
+ if (!capable(CAP_SYS_TIME))
+ return -EACCES;
+
+ dev_dbg(&client->dev, "%s: cmd=%d\n", __FUNCTION__, cmd);
+
+ switch (cmd) {
+ case X1205_CMD_GETDATETIME:
+ return x1205_get_datetime(client, param, X1205_CCR_BASE);
+
+ case X1205_CMD_SETTIME:
+ return x1205_set_datetime(client, param, 0,
+ X1205_CCR_BASE);
+
+ case X1205_CMD_SETDATETIME:
+ return x1205_set_datetime(client, param, 1,
+ X1205_CCR_BASE);
+
+ case X1205_CMD_GETALARM:
+ return x1205_get_datetime(client, param, X1205_ALM0_BASE);
+
+ case X1205_CMD_SETALARM:
+ return x1205_set_datetime(client, param, 1,
+ X1205_ALM0_BASE);
+
+ case X1205_CMD_GETDTRIM:
+ return x1205_get_dtrim(client, param);
+
+ case X1205_CMD_GETATRIM:
+ return x1205_get_atrim(client, param);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int __init x1205_init(void)
+{
+ return i2c_add_driver(&x1205_driver);
+}
+
+static void __exit x1205_exit(void)
+{
+ i2c_del_driver(&x1205_driver);
+}
+
+MODULE_AUTHOR(
+ "Karen Spearel <kas11@tampabay.rr.com>, "
+ "Alessandro Zummo <a.zummo@towertech.it>");
+MODULE_DESCRIPTION("Xicor X1205 RTC driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+EXPORT_SYMBOL_GPL(x1205_do_command);
+EXPORT_SYMBOL_GPL(x1205_direct_attach);
+
+module_init(x1205_init);
+module_exit(x1205_exit);
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index dda472e5e8be..02e335a04f09 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -19,7 +19,8 @@
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi>.
All SMBus-related things are written by Frodo Looijaard <frodol@dds.nl>
- SMBus 2.0 support by Mark Studebaker <mdsxyz123@yahoo.com> */
+ SMBus 2.0 support by Mark Studebaker <mdsxyz123@yahoo.com> and
+ Jean Delvare <khali@linux-fr.org> */
#include <linux/module.h>
#include <linux/kernel.h>
@@ -48,7 +49,7 @@ static int i2c_bus_suspend(struct device * dev, pm_message_t state)
int rc = 0;
if (dev->driver && dev->driver->suspend)
- rc = dev->driver->suspend(dev,state,0);
+ rc = dev->driver->suspend(dev, state);
return rc;
}
@@ -57,7 +58,7 @@ static int i2c_bus_resume(struct device * dev)
int rc = 0;
if (dev->driver && dev->driver->resume)
- rc = dev->driver->resume(dev,0);
+ rc = dev->driver->resume(dev);
return rc;
}
@@ -85,6 +86,7 @@ void i2c_adapter_dev_release(struct device *dev)
}
struct device_driver i2c_adapter_driver = {
+ .owner = THIS_MODULE,
.name = "i2c_adapter",
.bus = &i2c_bus_type,
.probe = i2c_device_probe,
@@ -98,6 +100,7 @@ static void i2c_adapter_class_dev_release(struct class_device *dev)
}
struct class i2c_adapter_class = {
+ .owner = THIS_MODULE,
.name = "i2c-adapter",
.release = &i2c_adapter_class_dev_release,
};
@@ -291,6 +294,7 @@ int i2c_add_driver(struct i2c_driver *driver)
down(&core_lists);
/* add the driver to the list of i2c drivers in the driver core */
+ driver->driver.owner = driver->owner;
driver->driver.name = driver->name;
driver->driver.bus = &i2c_bus_type;
driver->driver.probe = i2c_device_probe;
@@ -706,10 +710,6 @@ int i2c_probe(struct i2c_adapter *adapter,
int i, err;
int adap_id = i2c_adapter_id(adapter);
- /* Forget it if we can't probe using SMBUS_QUICK */
- if (! i2c_check_functionality(adapter,I2C_FUNC_SMBUS_QUICK))
- return -1;
-
/* Force entries are done first, and are not affected by ignore
entries */
if (address_data->forces) {
@@ -736,6 +736,17 @@ int i2c_probe(struct i2c_adapter *adapter,
}
}
+ /* Stop here if we can't use SMBUS_QUICK */
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) {
+ if (address_data->probe[0] == I2C_CLIENT_END
+ && address_data->normal_i2c[0] == I2C_CLIENT_END)
+ return 0;
+
+ dev_warn(&adapter->dev, "SMBus Quick command not supported, "
+ "can't probe for chips\n");
+ return -1;
+ }
+
/* Probe entries are done second, and are not affected by ignore
entries either */
for (i = 0; address_data->probe[i] != I2C_CLIENT_END; i += 2) {
@@ -820,101 +831,44 @@ crc8(u16 data)
return (u8)(data >> 8);
}
-/* CRC over count bytes in the first array plus the bytes in the rest
- array if it is non-null. rest[0] is the (length of rest) - 1
- and is included. */
-static u8 i2c_smbus_partial_pec(u8 crc, int count, u8 *first, u8 *rest)
+/* Incremental CRC8 over count bytes in the array pointed to by p */
+static u8 i2c_smbus_pec(u8 crc, u8 *p, size_t count)
{
int i;
for(i = 0; i < count; i++)
- crc = crc8((crc ^ first[i]) << 8);
- if(rest != NULL)
- for(i = 0; i <= rest[0]; i++)
- crc = crc8((crc ^ rest[i]) << 8);
+ crc = crc8((crc ^ p[i]) << 8);
return crc;
}
-static u8 i2c_smbus_pec(int count, u8 *first, u8 *rest)
+/* Assume a 7-bit address, which is reasonable for SMBus */
+static u8 i2c_smbus_msg_pec(u8 pec, struct i2c_msg *msg)
{
- return i2c_smbus_partial_pec(0, count, first, rest);
+ /* The address will be sent first */
+ u8 addr = (msg->addr << 1) | !!(msg->flags & I2C_M_RD);
+ pec = i2c_smbus_pec(pec, &addr, 1);
+
+ /* The data buffer follows */
+ return i2c_smbus_pec(pec, msg->buf, msg->len);
}
-/* Returns new "size" (transaction type)
- Note that we convert byte to byte_data and byte_data to word_data
- rather than invent new xxx_PEC transactions. */
-static int i2c_smbus_add_pec(u16 addr, u8 command, int size,
- union i2c_smbus_data *data)
+/* Used for write only transactions */
+static inline void i2c_smbus_add_pec(struct i2c_msg *msg)
{
- u8 buf[3];
-
- buf[0] = addr << 1;
- buf[1] = command;
- switch(size) {
- case I2C_SMBUS_BYTE:
- data->byte = i2c_smbus_pec(2, buf, NULL);
- size = I2C_SMBUS_BYTE_DATA;
- break;
- case I2C_SMBUS_BYTE_DATA:
- buf[2] = data->byte;
- data->word = buf[2] ||
- (i2c_smbus_pec(3, buf, NULL) << 8);
- size = I2C_SMBUS_WORD_DATA;
- break;
- case I2C_SMBUS_WORD_DATA:
- /* unsupported */
- break;
- case I2C_SMBUS_BLOCK_DATA:
- data->block[data->block[0] + 1] =
- i2c_smbus_pec(2, buf, data->block);
- size = I2C_SMBUS_BLOCK_DATA_PEC;
- break;
- }
- return size;
+ msg->buf[msg->len] = i2c_smbus_msg_pec(0, msg);
+ msg->len++;
}
-static int i2c_smbus_check_pec(u16 addr, u8 command, int size, u8 partial,
- union i2c_smbus_data *data)
+/* Return <0 on CRC error
+ If there was a write before this read (most cases) we need to take the
+ partial CRC from the write part into account.
+ Note that this function does modify the message (we need to decrease the
+ message length to hide the CRC byte from the caller). */
+static int i2c_smbus_check_pec(u8 cpec, struct i2c_msg *msg)
{
- u8 buf[3], rpec, cpec;
+ u8 rpec = msg->buf[--msg->len];
+ cpec = i2c_smbus_msg_pec(cpec, msg);
- buf[1] = command;
- switch(size) {
- case I2C_SMBUS_BYTE_DATA:
- buf[0] = (addr << 1) | 1;
- cpec = i2c_smbus_pec(2, buf, NULL);
- rpec = data->byte;
- break;
- case I2C_SMBUS_WORD_DATA:
- buf[0] = (addr << 1) | 1;
- buf[2] = data->word & 0xff;
- cpec = i2c_smbus_pec(3, buf, NULL);
- rpec = data->word >> 8;
- break;
- case I2C_SMBUS_WORD_DATA_PEC:
- /* unsupported */
- cpec = rpec = 0;
- break;
- case I2C_SMBUS_PROC_CALL_PEC:
- /* unsupported */
- cpec = rpec = 0;
- break;
- case I2C_SMBUS_BLOCK_DATA_PEC:
- buf[0] = (addr << 1);
- buf[2] = (addr << 1) | 1;
- cpec = i2c_smbus_pec(3, buf, data->block);
- rpec = data->block[data->block[0] + 1];
- break;
- case I2C_SMBUS_BLOCK_PROC_CALL_PEC:
- buf[0] = (addr << 1) | 1;
- rpec = i2c_smbus_partial_pec(partial, 1,
- buf, data->block);
- cpec = data->block[data->block[0] + 1];
- break;
- default:
- cpec = rpec = 0;
- break;
- }
if (rpec != cpec) {
pr_debug("i2c-core: Bad PEC 0x%02x vs. 0x%02x\n",
rpec, cpec);
@@ -941,9 +895,8 @@ s32 i2c_smbus_read_byte(struct i2c_client *client)
s32 i2c_smbus_write_byte(struct i2c_client *client, u8 value)
{
- union i2c_smbus_data data; /* only for PEC */
return i2c_smbus_xfer(client->adapter,client->addr,client->flags,
- I2C_SMBUS_WRITE,value, I2C_SMBUS_BYTE,&data);
+ I2C_SMBUS_WRITE, value, I2C_SMBUS_BYTE, NULL);
}
s32 i2c_smbus_read_byte_data(struct i2c_client *client, u8 command)
@@ -1026,13 +979,14 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
need to use only one message; when reading, we need two. We initialize
most things with sane defaults, to keep the code below somewhat
simpler. */
- unsigned char msgbuf0[34];
- unsigned char msgbuf1[34];
+ unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX+3];
+ unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX+2];
int num = read_write == I2C_SMBUS_READ?2:1;
struct i2c_msg msg[2] = { { addr, flags, 1, msgbuf0 },
{ addr, flags | I2C_M_RD, 0, msgbuf1 }
};
int i;
+ u8 partial_pec = 0;
msgbuf0[0] = command;
switch(size) {
@@ -1075,7 +1029,6 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
msgbuf0[2] = (data->word >> 8) & 0xff;
break;
case I2C_SMBUS_BLOCK_DATA:
- case I2C_SMBUS_BLOCK_DATA_PEC:
if (read_write == I2C_SMBUS_READ) {
dev_err(&adapter->dev, "Block read not supported "
"under I2C emulation!\n");
@@ -1088,23 +1041,20 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
data->block[0]);
return -1;
}
- if(size == I2C_SMBUS_BLOCK_DATA_PEC)
- (msg[0].len)++;
- for (i = 1; i <= msg[0].len; i++)
+ for (i = 1; i < msg[0].len; i++)
msgbuf0[i] = data->block[i-1];
}
break;
case I2C_SMBUS_BLOCK_PROC_CALL:
- case I2C_SMBUS_BLOCK_PROC_CALL_PEC:
dev_dbg(&adapter->dev, "Block process call not supported "
"under I2C emulation!\n");
return -1;
case I2C_SMBUS_I2C_BLOCK_DATA:
if (read_write == I2C_SMBUS_READ) {
- msg[1].len = I2C_SMBUS_I2C_BLOCK_MAX;
+ msg[1].len = I2C_SMBUS_BLOCK_MAX;
} else {
msg[0].len = data->block[0] + 1;
- if (msg[0].len > I2C_SMBUS_I2C_BLOCK_MAX + 1) {
+ if (msg[0].len > I2C_SMBUS_BLOCK_MAX + 1) {
dev_err(&adapter->dev, "i2c_smbus_xfer_emulated called with "
"invalid block write size (%d)\n",
data->block[0]);
@@ -1120,9 +1070,30 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
return -1;
}
+ i = ((flags & I2C_CLIENT_PEC) && size != I2C_SMBUS_QUICK
+ && size != I2C_SMBUS_I2C_BLOCK_DATA);
+ if (i) {
+ /* Compute PEC if first message is a write */
+ if (!(msg[0].flags & I2C_M_RD)) {
+ if (num == 1) /* Write only */
+ i2c_smbus_add_pec(&msg[0]);
+ else /* Write followed by read */
+ partial_pec = i2c_smbus_msg_pec(0, &msg[0]);
+ }
+ /* Ask for PEC if last message is a read */
+ if (msg[num-1].flags & I2C_M_RD)
+ msg[num-1].len++;
+ }
+
if (i2c_transfer(adapter, msg, num) < 0)
return -1;
+ /* Check PEC if last message is a read */
+ if (i && (msg[num-1].flags & I2C_M_RD)) {
+ if (i2c_smbus_check_pec(partial_pec, &msg[num-1]) < 0)
+ return -1;
+ }
+
if (read_write == I2C_SMBUS_READ)
switch(size) {
case I2C_SMBUS_BYTE:
@@ -1137,8 +1108,8 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter * adapter, u16 addr,
break;
case I2C_SMBUS_I2C_BLOCK_DATA:
/* fixed at 32 for now */
- data->block[0] = I2C_SMBUS_I2C_BLOCK_MAX;
- for (i = 0; i < I2C_SMBUS_I2C_BLOCK_MAX; i++)
+ data->block[0] = I2C_SMBUS_BLOCK_MAX;
+ for (i = 0; i < I2C_SMBUS_BLOCK_MAX; i++)
data->block[i+1] = msgbuf1[i];
break;
}
@@ -1151,28 +1122,8 @@ s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr, unsigned short flags,
union i2c_smbus_data * data)
{
s32 res;
- int swpec = 0;
- u8 partial = 0;
flags &= I2C_M_TEN | I2C_CLIENT_PEC;
- if((flags & I2C_CLIENT_PEC) &&
- !(i2c_check_functionality(adapter, I2C_FUNC_SMBUS_HWPEC_CALC))) {
- swpec = 1;
- if(read_write == I2C_SMBUS_READ &&
- size == I2C_SMBUS_BLOCK_DATA)
- size = I2C_SMBUS_BLOCK_DATA_PEC;
- else if(size == I2C_SMBUS_PROC_CALL)
- size = I2C_SMBUS_PROC_CALL_PEC;
- else if(size == I2C_SMBUS_BLOCK_PROC_CALL) {
- i2c_smbus_add_pec(addr, command,
- I2C_SMBUS_BLOCK_DATA, data);
- partial = data->block[data->block[0] + 1];
- size = I2C_SMBUS_BLOCK_PROC_CALL_PEC;
- } else if(read_write == I2C_SMBUS_WRITE &&
- size != I2C_SMBUS_QUICK &&
- size != I2C_SMBUS_I2C_BLOCK_DATA)
- size = i2c_smbus_add_pec(addr, command, size, data);
- }
if (adapter->algo->smbus_xfer) {
down(&adapter->bus_lock);
@@ -1183,13 +1134,6 @@ s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr, unsigned short flags,
res = i2c_smbus_xfer_emulated(adapter,addr,flags,read_write,
command,size,data);
- if(res >= 0 && swpec &&
- size != I2C_SMBUS_QUICK && size != I2C_SMBUS_I2C_BLOCK_DATA &&
- (read_write == I2C_SMBUS_READ || size == I2C_SMBUS_PROC_CALL_PEC ||
- size == I2C_SMBUS_BLOCK_PROC_CALL_PEC)) {
- if(i2c_smbus_check_pec(addr, command, size, partial, data))
- return -1;
- }
return res;
}
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index aa7a4fadef64..ea14c8f1c82b 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -26,15 +26,11 @@
/* The I2C_RDWR ioctl code is written by Kolja Waschk <waschk@telos.de> */
-/* The devfs code is contributed by Philipp Matthias Hahn
- <pmhahn@titan.lahn.de> */
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <linux/smp_lock.h>
-#include <linux/devfs_fs_kernel.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/i2c-dev.h>
@@ -80,10 +76,9 @@ static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap)
{
struct i2c_dev *i2c_dev;
- i2c_dev = kmalloc(sizeof(*i2c_dev), GFP_KERNEL);
+ i2c_dev = kzalloc(sizeof(*i2c_dev), GFP_KERNEL);
if (!i2c_dev)
return ERR_PTR(-ENOMEM);
- memset(i2c_dev, 0x00, sizeof(*i2c_dev));
spin_lock(&i2c_dev_array_lock);
if (i2c_dev_array[adap->nr]) {
@@ -177,8 +172,8 @@ static int i2cdev_ioctl(struct inode *inode, struct file *file,
int i,datasize,res;
unsigned long funcs;
- dev_dbg(&client->adapter->dev, "i2c-%d ioctl, cmd: 0x%x, arg: %lx.\n",
- iminor(inode),cmd, arg);
+ dev_dbg(&client->adapter->dev, "ioctl, cmd=0x%02x, arg=0x%02lx\n",
+ cmd, arg);
switch ( cmd ) {
case I2C_SLAVE:
@@ -432,8 +427,6 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap)
if (IS_ERR(i2c_dev))
return PTR_ERR(i2c_dev);
- devfs_mk_cdev(MKDEV(I2C_MAJOR, i2c_dev->minor),
- S_IFCHR|S_IRUSR|S_IWUSR, "i2c/%d", i2c_dev->minor);
pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
adap->name, i2c_dev->minor);
@@ -466,7 +459,6 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap)
return -ENODEV;
init_completion(&i2c_dev->released);
- devfs_remove("i2c/%d", i2c_dev->minor);
return_i2c_dev(i2c_dev);
class_device_unregister(&i2c_dev->class_dev);
wait_for_completion(&i2c_dev->released);
@@ -522,8 +514,6 @@ static int __init i2c_dev_init(void)
if (res)
goto out_unreg_class;
- devfs_mk_dir("i2c");
-
return 0;
out_unreg_class:
@@ -539,7 +529,6 @@ static void __exit i2c_dev_exit(void)
{
i2c_del_driver(&i2cdev_driver);
class_unregister(&i2c_dev_class);
- devfs_remove("i2c");
unregister_chrdev(I2C_MAJOR,"i2c");
}
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index ee38e6b143a4..47f2b832555f 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1013,6 +1013,8 @@ typedef struct ide_tape_obj {
static DECLARE_MUTEX(idetape_ref_sem);
+static struct class *idetape_sysfs_class;
+
#define to_ide_tape(obj) container_of(obj, struct ide_tape_obj, kref)
#define ide_tape_g(disk) \
@@ -4704,6 +4706,10 @@ static void ide_tape_release(struct kref *kref)
drive->dsc_overlap = 0;
drive->driver_data = NULL;
+ class_device_destroy(idetape_sysfs_class,
+ MKDEV(IDETAPE_MAJOR, tape->minor));
+ class_device_destroy(idetape_sysfs_class,
+ MKDEV(IDETAPE_MAJOR, tape->minor + 128));
devfs_remove("%s/mt", drive->devfs_name);
devfs_remove("%s/mtn", drive->devfs_name);
devfs_unregister_tape(g->number);
@@ -4878,6 +4884,11 @@ static int ide_tape_probe(struct device *dev)
idetape_setup(drive, tape, minor);
+ class_device_create(idetape_sysfs_class, NULL,
+ MKDEV(IDETAPE_MAJOR, minor), dev, "%s", tape->name);
+ class_device_create(idetape_sysfs_class, NULL,
+ MKDEV(IDETAPE_MAJOR, minor + 128), dev, "n%s", tape->name);
+
devfs_mk_cdev(MKDEV(HWIF(drive)->major, minor),
S_IFCHR | S_IRUGO | S_IWUGO,
"%s/mt", drive->devfs_name);
@@ -4903,6 +4914,7 @@ MODULE_LICENSE("GPL");
static void __exit idetape_exit (void)
{
driver_unregister(&idetape_driver.gen_driver);
+ class_destroy(idetape_sysfs_class);
unregister_chrdev(IDETAPE_MAJOR, "ht");
}
@@ -4911,11 +4923,33 @@ static void __exit idetape_exit (void)
*/
static int idetape_init (void)
{
+ int error = 1;
+ idetape_sysfs_class = class_create(THIS_MODULE, "ide_tape");
+ if (IS_ERR(idetape_sysfs_class)) {
+ idetape_sysfs_class = NULL;
+ printk(KERN_ERR "Unable to create sysfs class for ide tapes\n");
+ error = -EBUSY;
+ goto out;
+ }
+
if (register_chrdev(IDETAPE_MAJOR, "ht", &idetape_fops)) {
printk(KERN_ERR "ide-tape: Failed to register character device interface\n");
- return -EBUSY;
+ error = -EBUSY;
+ goto out_free_class;
}
- return driver_register(&idetape_driver.gen_driver);
+
+ error = driver_register(&idetape_driver.gen_driver);
+ if (error)
+ goto out_free_driver;
+
+ return 0;
+
+out_free_driver:
+ driver_unregister(&idetape_driver.gen_driver);
+out_free_class:
+ class_destroy(idetape_sysfs_class);
+out:
+ return error;
}
module_init(idetape_init);
diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index e34730c7a874..cbbbe14b8849 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -2361,7 +2361,7 @@ static void dv1394_add_host (struct hpsb_host *host)
ohci = (struct ti_ohci *)host->hostdata;
- class_device_create(hpsb_protocol_class, MKDEV(
+ class_device_create(hpsb_protocol_class, NULL, MKDEV(
IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)),
NULL, "dv1394-%d", id);
devfs_mk_dir("ieee1394/dv/host%d", id);
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index 4802bbbb6dc9..c9e92d85c893 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -1630,7 +1630,7 @@ static void ether1394_complete_cb(void *__ptask)
/* Transmit a packet (called by kernel) */
static int ether1394_tx (struct sk_buff *skb, struct net_device *dev)
{
- int kmflags = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
+ gfp_t kmflags = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
struct eth1394hdr *eth;
struct eth1394_priv *priv = netdev_priv(dev);
int proto;
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 347ece6b583c..7fff5a1d2ea4 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -1292,7 +1292,7 @@ static void nodemgr_suspend_ne(struct node_entry *ne)
if (ud->device.driver &&
(!ud->device.driver->suspend ||
- ud->device.driver->suspend(&ud->device, PMSG_SUSPEND, 0)))
+ ud->device.driver->suspend(&ud->device, PMSG_SUSPEND)))
device_release_driver(&ud->device);
}
up_write(&ne->device.bus->subsys.rwsem);
@@ -1315,7 +1315,7 @@ static void nodemgr_resume_ne(struct node_entry *ne)
continue;
if (ud->device.driver && ud->device.driver->resume)
- ud->device.driver->resume(&ud->device, 0);
+ ud->device.driver->resume(&ud->device);
}
up_read(&ne->device.bus->subsys.rwsem);
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 0470f77a9cd1..24411e666b21 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -2912,7 +2912,7 @@ static int __init init_raw1394(void)
hpsb_register_highlevel(&raw1394_highlevel);
- if (IS_ERR(class_device_create(hpsb_protocol_class, MKDEV(
+ if (IS_ERR(class_device_create(hpsb_protocol_class, NULL, MKDEV(
IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
NULL, RAW1394_DEVICE_NAME))) {
ret = -EFAULT;
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 11be9c9c82a8..23911da50154 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -1370,7 +1370,7 @@ static void video1394_add_host (struct hpsb_host *host)
hpsb_set_hostinfo_key(&video1394_highlevel, host, ohci->host->id);
minor = IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id;
- class_device_create(hpsb_protocol_class, MKDEV(
+ class_device_create(hpsb_protocol_class, NULL, MKDEV(
IEEE1394_MAJOR, minor),
NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, minor),
diff --git a/drivers/infiniband/core/agent.c b/drivers/infiniband/core/agent.c
index 5ac86f566dc0..0c3c6952faae 100644
--- a/drivers/infiniband/core/agent.c
+++ b/drivers/infiniband/core/agent.c
@@ -37,58 +37,41 @@
* $Id: agent.c 1389 2004-12-27 22:56:47Z roland $
*/
-#include <linux/dma-mapping.h>
-
-#include <asm/bug.h>
+#include "agent.h"
+#include "smi.h"
-#include <rdma/ib_smi.h>
+#define SPFX "ib_agent: "
-#include "smi.h"
-#include "agent_priv.h"
-#include "mad_priv.h"
-#include "agent.h"
+struct ib_agent_port_private {
+ struct list_head port_list;
+ struct ib_mad_agent *agent[2];
+};
-spinlock_t ib_agent_port_list_lock;
+static DEFINE_SPINLOCK(ib_agent_port_list_lock);
static LIST_HEAD(ib_agent_port_list);
-/*
- * Caller must hold ib_agent_port_list_lock
- */
-static inline struct ib_agent_port_private *
-__ib_get_agent_port(struct ib_device *device, int port_num,
- struct ib_mad_agent *mad_agent)
+static struct ib_agent_port_private *
+__ib_get_agent_port(struct ib_device *device, int port_num)
{
struct ib_agent_port_private *entry;
- BUG_ON(!(!!device ^ !!mad_agent)); /* Exactly one MUST be (!NULL) */
-
- if (device) {
- list_for_each_entry(entry, &ib_agent_port_list, port_list) {
- if (entry->smp_agent->device == device &&
- entry->port_num == port_num)
- return entry;
- }
- } else {
- list_for_each_entry(entry, &ib_agent_port_list, port_list) {
- if ((entry->smp_agent == mad_agent) ||
- (entry->perf_mgmt_agent == mad_agent))
- return entry;
- }
+ list_for_each_entry(entry, &ib_agent_port_list, port_list) {
+ if (entry->agent[0]->device == device &&
+ entry->agent[0]->port_num == port_num)
+ return entry;
}
return NULL;
}
-static inline struct ib_agent_port_private *
-ib_get_agent_port(struct ib_device *device, int port_num,
- struct ib_mad_agent *mad_agent)
+static struct ib_agent_port_private *
+ib_get_agent_port(struct ib_device *device, int port_num)
{
struct ib_agent_port_private *entry;
unsigned long flags;
spin_lock_irqsave(&ib_agent_port_list_lock, flags);
- entry = __ib_get_agent_port(device, port_num, mad_agent);
+ entry = __ib_get_agent_port(device, port_num);
spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
-
return entry;
}
@@ -100,192 +83,76 @@ int smi_check_local_dr_smp(struct ib_smp *smp,
if (smp->mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
return 1;
- port_priv = ib_get_agent_port(device, port_num, NULL);
+
+ port_priv = ib_get_agent_port(device, port_num);
if (!port_priv) {
printk(KERN_DEBUG SPFX "smi_check_local_dr_smp %s port %d "
- "not open\n",
- device->name, port_num);
+ "not open\n", device->name, port_num);
return 1;
}
- return smi_check_local_smp(port_priv->smp_agent, smp);
+ return smi_check_local_smp(port_priv->agent[0], smp);
}
-static int agent_mad_send(struct ib_mad_agent *mad_agent,
- struct ib_agent_port_private *port_priv,
- struct ib_mad_private *mad_priv,
- struct ib_grh *grh,
- struct ib_wc *wc)
+int agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
+ struct ib_wc *wc, struct ib_device *device,
+ int port_num, int qpn)
{
- struct ib_agent_send_wr *agent_send_wr;
- struct ib_sge gather_list;
- struct ib_send_wr send_wr;
- struct ib_send_wr *bad_send_wr;
- struct ib_ah_attr ah_attr;
- unsigned long flags;
- int ret = 1;
-
- agent_send_wr = kmalloc(sizeof(*agent_send_wr), GFP_KERNEL);
- if (!agent_send_wr)
- goto out;
- agent_send_wr->mad = mad_priv;
-
- gather_list.addr = dma_map_single(mad_agent->device->dma_device,
- &mad_priv->mad,
- sizeof(mad_priv->mad),
- DMA_TO_DEVICE);
- gather_list.length = sizeof(mad_priv->mad);
- gather_list.lkey = mad_agent->mr->lkey;
-
- send_wr.next = NULL;
- send_wr.opcode = IB_WR_SEND;
- send_wr.sg_list = &gather_list;
- send_wr.num_sge = 1;
- send_wr.wr.ud.remote_qpn = wc->src_qp; /* DQPN */
- send_wr.wr.ud.timeout_ms = 0;
- send_wr.send_flags = IB_SEND_SIGNALED | IB_SEND_SOLICITED;
+ struct ib_agent_port_private *port_priv;
+ struct ib_mad_agent *agent;
+ struct ib_mad_send_buf *send_buf;
+ struct ib_ah *ah;
+ int ret;
- ah_attr.dlid = wc->slid;
- ah_attr.port_num = mad_agent->port_num;
- ah_attr.src_path_bits = wc->dlid_path_bits;
- ah_attr.sl = wc->sl;
- ah_attr.static_rate = 0;
- ah_attr.ah_flags = 0; /* No GRH */
- if (mad_priv->mad.mad.mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT) {
- if (wc->wc_flags & IB_WC_GRH) {
- ah_attr.ah_flags = IB_AH_GRH;
- /* Should sgid be looked up ? */
- ah_attr.grh.sgid_index = 0;
- ah_attr.grh.hop_limit = grh->hop_limit;
- ah_attr.grh.flow_label = be32_to_cpu(
- grh->version_tclass_flow) & 0xfffff;
- ah_attr.grh.traffic_class = (be32_to_cpu(
- grh->version_tclass_flow) >> 20) & 0xff;
- memcpy(ah_attr.grh.dgid.raw,
- grh->sgid.raw,
- sizeof(ah_attr.grh.dgid));
- }
+ port_priv = ib_get_agent_port(device, port_num);
+ if (!port_priv) {
+ printk(KERN_ERR SPFX "Unable to find port agent\n");
+ return -ENODEV;
}
- agent_send_wr->ah = ib_create_ah(mad_agent->qp->pd, &ah_attr);
- if (IS_ERR(agent_send_wr->ah)) {
- printk(KERN_ERR SPFX "No memory for address handle\n");
- kfree(agent_send_wr);
- goto out;
+ agent = port_priv->agent[qpn];
+ ah = ib_create_ah_from_wc(agent->qp->pd, wc, grh, port_num);
+ if (IS_ERR(ah)) {
+ ret = PTR_ERR(ah);
+ printk(KERN_ERR SPFX "ib_create_ah_from_wc error:%d\n", ret);
+ return ret;
}
- send_wr.wr.ud.ah = agent_send_wr->ah;
- if (mad_priv->mad.mad.mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT) {
- send_wr.wr.ud.pkey_index = wc->pkey_index;
- send_wr.wr.ud.remote_qkey = IB_QP1_QKEY;
- } else { /* for SMPs */
- send_wr.wr.ud.pkey_index = 0;
- send_wr.wr.ud.remote_qkey = 0;
+ send_buf = ib_create_send_mad(agent, wc->src_qp, wc->pkey_index, 0,
+ IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
+ GFP_KERNEL);
+ if (IS_ERR(send_buf)) {
+ ret = PTR_ERR(send_buf);
+ printk(KERN_ERR SPFX "ib_create_send_mad error:%d\n", ret);
+ goto err1;
}
- send_wr.wr.ud.mad_hdr = &mad_priv->mad.mad.mad_hdr;
- send_wr.wr_id = (unsigned long)agent_send_wr;
- pci_unmap_addr_set(agent_send_wr, mapping, gather_list.addr);
-
- /* Send */
- spin_lock_irqsave(&port_priv->send_list_lock, flags);
- if (ib_post_send_mad(mad_agent, &send_wr, &bad_send_wr)) {
- spin_unlock_irqrestore(&port_priv->send_list_lock, flags);
- dma_unmap_single(mad_agent->device->dma_device,
- pci_unmap_addr(agent_send_wr, mapping),
- sizeof(mad_priv->mad),
- DMA_TO_DEVICE);
- ib_destroy_ah(agent_send_wr->ah);
- kfree(agent_send_wr);
- } else {
- list_add_tail(&agent_send_wr->send_list,
- &port_priv->send_posted_list);
- spin_unlock_irqrestore(&port_priv->send_list_lock, flags);
- ret = 0;
+ memcpy(send_buf->mad, mad, sizeof *mad);
+ send_buf->ah = ah;
+ if ((ret = ib_post_send_mad(send_buf, NULL))) {
+ printk(KERN_ERR SPFX "ib_post_send_mad error:%d\n", ret);
+ goto err2;
}
-
-out:
+ return 0;
+err2:
+ ib_free_send_mad(send_buf);
+err1:
+ ib_destroy_ah(ah);
return ret;
}
-int agent_send(struct ib_mad_private *mad,
- struct ib_grh *grh,
- struct ib_wc *wc,
- struct ib_device *device,
- int port_num)
-{
- struct ib_agent_port_private *port_priv;
- struct ib_mad_agent *mad_agent;
-
- port_priv = ib_get_agent_port(device, port_num, NULL);
- if (!port_priv) {
- printk(KERN_DEBUG SPFX "agent_send %s port %d not open\n",
- device->name, port_num);
- return 1;
- }
-
- /* Get mad agent based on mgmt_class in MAD */
- switch (mad->mad.mad.mad_hdr.mgmt_class) {
- case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
- case IB_MGMT_CLASS_SUBN_LID_ROUTED:
- mad_agent = port_priv->smp_agent;
- break;
- case IB_MGMT_CLASS_PERF_MGMT:
- mad_agent = port_priv->perf_mgmt_agent;
- break;
- default:
- return 1;
- }
-
- return agent_mad_send(mad_agent, port_priv, mad, grh, wc);
-}
-
static void agent_send_handler(struct ib_mad_agent *mad_agent,
struct ib_mad_send_wc *mad_send_wc)
{
- struct ib_agent_port_private *port_priv;
- struct ib_agent_send_wr *agent_send_wr;
- unsigned long flags;
-
- /* Find matching MAD agent */
- port_priv = ib_get_agent_port(NULL, 0, mad_agent);
- if (!port_priv) {
- printk(KERN_ERR SPFX "agent_send_handler: no matching MAD "
- "agent %p\n", mad_agent);
- return;
- }
-
- agent_send_wr = (struct ib_agent_send_wr *)(unsigned long)mad_send_wc->wr_id;
- spin_lock_irqsave(&port_priv->send_list_lock, flags);
- /* Remove completed send from posted send MAD list */
- list_del(&agent_send_wr->send_list);
- spin_unlock_irqrestore(&port_priv->send_list_lock, flags);
-
- dma_unmap_single(mad_agent->device->dma_device,
- pci_unmap_addr(agent_send_wr, mapping),
- sizeof(agent_send_wr->mad->mad),
- DMA_TO_DEVICE);
-
- ib_destroy_ah(agent_send_wr->ah);
-
- /* Release allocated memory */
- kmem_cache_free(ib_mad_cache, agent_send_wr->mad);
- kfree(agent_send_wr);
+ ib_destroy_ah(mad_send_wc->send_buf->ah);
+ ib_free_send_mad(mad_send_wc->send_buf);
}
int ib_agent_port_open(struct ib_device *device, int port_num)
{
- int ret;
struct ib_agent_port_private *port_priv;
unsigned long flags;
-
- /* First, check if port already open for SMI */
- port_priv = ib_get_agent_port(device, port_num, NULL);
- if (port_priv) {
- printk(KERN_DEBUG SPFX "%s port %d already open\n",
- device->name, port_num);
- return 0;
- }
+ int ret;
/* Create new device info */
port_priv = kmalloc(sizeof *port_priv, GFP_KERNEL);
@@ -294,32 +161,25 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
ret = -ENOMEM;
goto error1;
}
-
memset(port_priv, 0, sizeof *port_priv);
- port_priv->port_num = port_num;
- spin_lock_init(&port_priv->send_list_lock);
- INIT_LIST_HEAD(&port_priv->send_posted_list);
- /* Obtain send only MAD agent for SM class (SMI QP) */
- port_priv->smp_agent = ib_register_mad_agent(device, port_num,
- IB_QPT_SMI,
- NULL, 0,
+ /* Obtain send only MAD agent for SMI QP */
+ port_priv->agent[0] = ib_register_mad_agent(device, port_num,
+ IB_QPT_SMI, NULL, 0,
&agent_send_handler,
- NULL, NULL);
-
- if (IS_ERR(port_priv->smp_agent)) {
- ret = PTR_ERR(port_priv->smp_agent);
+ NULL, NULL);
+ if (IS_ERR(port_priv->agent[0])) {
+ ret = PTR_ERR(port_priv->agent[0]);
goto error2;
}
- /* Obtain send only MAD agent for PerfMgmt class (GSI QP) */
- port_priv->perf_mgmt_agent = ib_register_mad_agent(device, port_num,
- IB_QPT_GSI,
- NULL, 0,
- &agent_send_handler,
- NULL, NULL);
- if (IS_ERR(port_priv->perf_mgmt_agent)) {
- ret = PTR_ERR(port_priv->perf_mgmt_agent);
+ /* Obtain send only MAD agent for GSI QP */
+ port_priv->agent[1] = ib_register_mad_agent(device, port_num,
+ IB_QPT_GSI, NULL, 0,
+ &agent_send_handler,
+ NULL, NULL);
+ if (IS_ERR(port_priv->agent[1])) {
+ ret = PTR_ERR(port_priv->agent[1]);
goto error3;
}
@@ -330,7 +190,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
return 0;
error3:
- ib_unregister_mad_agent(port_priv->smp_agent);
+ ib_unregister_mad_agent(port_priv->agent[0]);
error2:
kfree(port_priv);
error1:
@@ -343,7 +203,7 @@ int ib_agent_port_close(struct ib_device *device, int port_num)
unsigned long flags;
spin_lock_irqsave(&ib_agent_port_list_lock, flags);
- port_priv = __ib_get_agent_port(device, port_num, NULL);
+ port_priv = __ib_get_agent_port(device, port_num);
if (port_priv == NULL) {
spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
printk(KERN_ERR SPFX "Port %d not found\n", port_num);
@@ -352,9 +212,8 @@ int ib_agent_port_close(struct ib_device *device, int port_num)
list_del(&port_priv->port_list);
spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
- ib_unregister_mad_agent(port_priv->perf_mgmt_agent);
- ib_unregister_mad_agent(port_priv->smp_agent);
+ ib_unregister_mad_agent(port_priv->agent[1]);
+ ib_unregister_mad_agent(port_priv->agent[0]);
kfree(port_priv);
-
return 0;
}
diff --git a/drivers/infiniband/core/agent.h b/drivers/infiniband/core/agent.h
index d9426842254a..c5f3cfec942a 100644
--- a/drivers/infiniband/core/agent.h
+++ b/drivers/infiniband/core/agent.h
@@ -39,17 +39,14 @@
#ifndef __AGENT_H_
#define __AGENT_H_
-extern spinlock_t ib_agent_port_list_lock;
+#include <rdma/ib_mad.h>
-extern int ib_agent_port_open(struct ib_device *device,
- int port_num);
+extern int ib_agent_port_open(struct ib_device *device, int port_num);
extern int ib_agent_port_close(struct ib_device *device, int port_num);
-extern int agent_send(struct ib_mad_private *mad,
- struct ib_grh *grh,
- struct ib_wc *wc,
- struct ib_device *device,
- int port_num);
+extern int agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
+ struct ib_wc *wc, struct ib_device *device,
+ int port_num, int qpn);
#endif /* __AGENT_H_ */
diff --git a/drivers/infiniband/core/agent_priv.h b/drivers/infiniband/core/agent_priv.h
deleted file mode 100644
index 2ec6d7f1b7d0..000000000000
--- a/drivers/infiniband/core/agent_priv.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2004, 2005 Mellanox Technologies Ltd. All rights reserved.
- * Copyright (c) 2004, 2005 Infinicon Corporation. All rights reserved.
- * Copyright (c) 2004, 2005 Intel Corporation. All rights reserved.
- * Copyright (c) 2004, 2005 Topspin Corporation. All rights reserved.
- * Copyright (c) 2004, 2005 Voltaire Corporation. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * $Id: agent_priv.h 1640 2005-01-24 22:39:02Z halr $
- */
-
-#ifndef __IB_AGENT_PRIV_H__
-#define __IB_AGENT_PRIV_H__
-
-#include <linux/pci.h>
-
-#define SPFX "ib_agent: "
-
-struct ib_agent_send_wr {
- struct list_head send_list;
- struct ib_ah *ah;
- struct ib_mad_private *mad;
- DECLARE_PCI_UNMAP_ADDR(mapping)
-};
-
-struct ib_agent_port_private {
- struct list_head port_list;
- struct list_head send_posted_list;
- spinlock_t send_list_lock;
- int port_num;
- struct ib_mad_agent *smp_agent; /* SM class */
- struct ib_mad_agent *perf_mgmt_agent; /* PerfMgmt class */
-};
-
-#endif /* __IB_AGENT_PRIV_H__ */
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 54db6d4831f1..580c3a2bb102 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -135,6 +135,7 @@ struct cm_id_private {
__be64 tid;
__be32 local_qpn;
__be32 remote_qpn;
+ enum ib_qp_type qp_type;
__be32 sq_psn;
__be32 rq_psn;
int timeout_ms;
@@ -175,8 +176,7 @@ static int cm_alloc_msg(struct cm_id_private *cm_id_priv,
m = ib_create_send_mad(mad_agent, cm_id_priv->id.remote_cm_qpn,
cm_id_priv->av.pkey_index,
- ah, 0, sizeof(struct ib_mad_hdr),
- sizeof(struct ib_mad)-sizeof(struct ib_mad_hdr),
+ 0, IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
GFP_ATOMIC);
if (IS_ERR(m)) {
ib_destroy_ah(ah);
@@ -184,7 +184,8 @@ static int cm_alloc_msg(struct cm_id_private *cm_id_priv,
}
/* Timeout set by caller if response is expected. */
- m->send_wr.wr.ud.retries = cm_id_priv->max_cm_retries;
+ m->ah = ah;
+ m->retries = cm_id_priv->max_cm_retries;
atomic_inc(&cm_id_priv->refcount);
m->context[0] = cm_id_priv;
@@ -205,20 +206,20 @@ static int cm_alloc_response_msg(struct cm_port *port,
return PTR_ERR(ah);
m = ib_create_send_mad(port->mad_agent, 1, mad_recv_wc->wc->pkey_index,
- ah, 0, sizeof(struct ib_mad_hdr),
- sizeof(struct ib_mad)-sizeof(struct ib_mad_hdr),
+ 0, IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
GFP_ATOMIC);
if (IS_ERR(m)) {
ib_destroy_ah(ah);
return PTR_ERR(m);
}
+ m->ah = ah;
*msg = m;
return 0;
}
static void cm_free_msg(struct ib_mad_send_buf *msg)
{
- ib_destroy_ah(msg->send_wr.wr.ud.ah);
+ ib_destroy_ah(msg->ah);
if (msg->context[0])
cm_deref_id(msg->context[0]);
ib_free_send_mad(msg);
@@ -366,9 +367,15 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv)
cur_cm_id_priv = rb_entry(parent, struct cm_id_private,
service_node);
if ((cur_cm_id_priv->id.service_mask & service_id) ==
- (service_mask & cur_cm_id_priv->id.service_id))
- return cm_id_priv;
- if (service_id < cur_cm_id_priv->id.service_id)
+ (service_mask & cur_cm_id_priv->id.service_id) &&
+ (cm_id_priv->id.device == cur_cm_id_priv->id.device))
+ return cur_cm_id_priv;
+
+ if (cm_id_priv->id.device < cur_cm_id_priv->id.device)
+ link = &(*link)->rb_left;
+ else if (cm_id_priv->id.device > cur_cm_id_priv->id.device)
+ link = &(*link)->rb_right;
+ else if (service_id < cur_cm_id_priv->id.service_id)
link = &(*link)->rb_left;
else
link = &(*link)->rb_right;
@@ -378,7 +385,8 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv)
return NULL;
}
-static struct cm_id_private * cm_find_listen(__be64 service_id)
+static struct cm_id_private * cm_find_listen(struct ib_device *device,
+ __be64 service_id)
{
struct rb_node *node = cm.listen_service_table.rb_node;
struct cm_id_private *cm_id_priv;
@@ -386,9 +394,15 @@ static struct cm_id_private * cm_find_listen(__be64 service_id)
while (node) {
cm_id_priv = rb_entry(node, struct cm_id_private, service_node);
if ((cm_id_priv->id.service_mask & service_id) ==
- (cm_id_priv->id.service_mask & cm_id_priv->id.service_id))
+ cm_id_priv->id.service_id &&
+ (cm_id_priv->id.device == device))
return cm_id_priv;
- if (service_id < cm_id_priv->id.service_id)
+
+ if (device < cm_id_priv->id.device)
+ node = node->rb_left;
+ else if (device > cm_id_priv->id.device)
+ node = node->rb_right;
+ else if (service_id < cm_id_priv->id.service_id)
node = node->rb_left;
else
node = node->rb_right;
@@ -523,7 +537,8 @@ static void cm_reject_sidr_req(struct cm_id_private *cm_id_priv,
ib_send_cm_sidr_rep(&cm_id_priv->id, &param);
}
-struct ib_cm_id *ib_create_cm_id(ib_cm_handler cm_handler,
+struct ib_cm_id *ib_create_cm_id(struct ib_device *device,
+ ib_cm_handler cm_handler,
void *context)
{
struct cm_id_private *cm_id_priv;
@@ -535,6 +550,7 @@ struct ib_cm_id *ib_create_cm_id(ib_cm_handler cm_handler,
memset(cm_id_priv, 0, sizeof *cm_id_priv);
cm_id_priv->id.state = IB_CM_IDLE;
+ cm_id_priv->id.device = device;
cm_id_priv->id.cm_handler = cm_handler;
cm_id_priv->id.context = context;
cm_id_priv->id.remote_cm_qpn = 1;
@@ -662,8 +678,7 @@ retest:
break;
case IB_CM_SIDR_REQ_SENT:
cm_id->state = IB_CM_IDLE;
- ib_cancel_mad(cm_id_priv->av.port->mad_agent,
- (unsigned long) cm_id_priv->msg);
+ ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
break;
case IB_CM_SIDR_REQ_RCVD:
@@ -674,8 +689,7 @@ retest:
case IB_CM_MRA_REQ_RCVD:
case IB_CM_REP_SENT:
case IB_CM_MRA_REP_RCVD:
- ib_cancel_mad(cm_id_priv->av.port->mad_agent,
- (unsigned long) cm_id_priv->msg);
+ ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
/* Fall through */
case IB_CM_REQ_RCVD:
case IB_CM_MRA_REQ_SENT:
@@ -692,8 +706,7 @@ retest:
ib_send_cm_dreq(cm_id, NULL, 0);
goto retest;
case IB_CM_DREQ_SENT:
- ib_cancel_mad(cm_id_priv->av.port->mad_agent,
- (unsigned long) cm_id_priv->msg);
+ ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
cm_enter_timewait(cm_id_priv);
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
break;
@@ -867,7 +880,6 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
struct ib_cm_req_param *param)
{
struct cm_id_private *cm_id_priv;
- struct ib_send_wr *bad_send_wr;
struct cm_req_msg *req_msg;
unsigned long flags;
int ret;
@@ -911,6 +923,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
cm_id_priv->responder_resources = param->responder_resources;
cm_id_priv->retry_count = param->retry_count;
cm_id_priv->path_mtu = param->primary_path->mtu;
+ cm_id_priv->qp_type = param->qp_type;
ret = cm_alloc_msg(cm_id_priv, &cm_id_priv->msg);
if (ret)
@@ -919,7 +932,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
req_msg = (struct cm_req_msg *) cm_id_priv->msg->mad;
cm_format_req(req_msg, cm_id_priv, param);
cm_id_priv->tid = req_msg->hdr.tid;
- cm_id_priv->msg->send_wr.wr.ud.timeout_ms = cm_id_priv->timeout_ms;
+ cm_id_priv->msg->timeout_ms = cm_id_priv->timeout_ms;
cm_id_priv->msg->context[1] = (void *) (unsigned long) IB_CM_REQ_SENT;
cm_id_priv->local_qpn = cm_req_get_local_qpn(req_msg);
@@ -928,8 +941,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
cm_req_get_primary_local_ack_timeout(req_msg);
spin_lock_irqsave(&cm_id_priv->lock, flags);
- ret = ib_post_send_mad(cm_id_priv->av.port->mad_agent,
- &cm_id_priv->msg->send_wr, &bad_send_wr);
+ ret = ib_post_send_mad(cm_id_priv->msg, NULL);
if (ret) {
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
goto error2;
@@ -952,7 +964,6 @@ static int cm_issue_rej(struct cm_port *port,
void *ari, u8 ari_length)
{
struct ib_mad_send_buf *msg = NULL;
- struct ib_send_wr *bad_send_wr;
struct cm_rej_msg *rej_msg, *rcv_msg;
int ret;
@@ -975,7 +986,7 @@ static int cm_issue_rej(struct cm_port *port,
memcpy(rej_msg->ari, ari, ari_length);
}
- ret = ib_post_send_mad(port->mad_agent, &msg->send_wr, &bad_send_wr);
+ ret = ib_post_send_mad(msg, NULL);
if (ret)
cm_free_msg(msg);
@@ -1047,7 +1058,6 @@ static void cm_format_req_event(struct cm_work *work,
req_msg = (struct cm_req_msg *)work->mad_recv_wc->recv_buf.mad;
param = &work->cm_event.param.req_rcvd;
param->listen_id = listen_id;
- param->device = cm_id_priv->av.port->mad_agent->device;
param->port = cm_id_priv->av.port->port_num;
param->primary_path = &work->path[0];
if (req_msg->alt_local_lid)
@@ -1156,7 +1166,6 @@ static void cm_dup_req_handler(struct cm_work *work,
struct cm_id_private *cm_id_priv)
{
struct ib_mad_send_buf *msg = NULL;
- struct ib_send_wr *bad_send_wr;
unsigned long flags;
int ret;
@@ -1185,8 +1194,7 @@ static void cm_dup_req_handler(struct cm_work *work,
}
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
- ret = ib_post_send_mad(cm_id_priv->av.port->mad_agent, &msg->send_wr,
- &bad_send_wr);
+ ret = ib_post_send_mad(msg, NULL);
if (ret)
goto free;
return;
@@ -1226,7 +1234,8 @@ static struct cm_id_private * cm_match_req(struct cm_work *work,
}
/* Find matching listen request. */
- listen_cm_id_priv = cm_find_listen(req_msg->service_id);
+ listen_cm_id_priv = cm_find_listen(cm_id_priv->id.device,
+ req_msg->service_id);
if (!listen_cm_id_priv) {
spin_unlock_irqrestore(&cm.lock, flags);
cm_issue_rej(work->port, work->mad_recv_wc,
@@ -1254,7 +1263,7 @@ static int cm_req_handler(struct cm_work *work)
req_msg = (struct cm_req_msg *)work->mad_recv_wc->recv_buf.mad;
- cm_id = ib_create_cm_id(NULL, NULL);
+ cm_id = ib_create_cm_id(work->port->cm_dev->device, NULL, NULL);
if (IS_ERR(cm_id))
return PTR_ERR(cm_id);
@@ -1305,6 +1314,7 @@ static int cm_req_handler(struct cm_work *work)
cm_req_get_primary_local_ack_timeout(req_msg);
cm_id_priv->retry_count = cm_req_get_retry_count(req_msg);
cm_id_priv->rnr_retry_count = cm_req_get_rnr_retry_count(req_msg);
+ cm_id_priv->qp_type = cm_req_get_qp_type(req_msg);
cm_format_req_event(work, cm_id_priv, &listen_cm_id_priv->id);
cm_process_work(cm_id_priv, work);
@@ -1349,7 +1359,6 @@ int ib_send_cm_rep(struct ib_cm_id *cm_id,
struct cm_id_private *cm_id_priv;
struct ib_mad_send_buf *msg;
struct cm_rep_msg *rep_msg;
- struct ib_send_wr *bad_send_wr;
unsigned long flags;
int ret;
@@ -1371,11 +1380,10 @@ int ib_send_cm_rep(struct ib_cm_id *cm_id,
rep_msg = (struct cm_rep_msg *) msg->mad;
cm_format_rep(rep_msg, cm_id_priv, param);
- msg->send_wr.wr.ud.timeout_ms = cm_id_priv->timeout_ms;
+ msg->timeout_ms = cm_id_priv->timeout_ms;
msg->context[1] = (void *) (unsigned long) IB_CM_REP_SENT;
- ret = ib_post_send_mad(cm_id_priv->av.port->mad_agent,
- &msg->send_wr, &bad_send_wr);
+ ret = ib_post_send_mad(msg, NULL);
if (ret) {
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
cm_free_msg(msg);
@@ -1413,7 +1421,6 @@ int ib_send_cm_rtu(struct ib_cm_id *cm_id,
{
struct cm_id_private *cm_id_priv;
struct ib_mad_send_buf *msg;
- struct ib_send_wr *bad_send_wr;
unsigned long flags;
void *data;
int ret;
@@ -1440,8 +1447,7 @@ int ib_send_cm_rtu(struct ib_cm_id *cm_id,
cm_format_rtu((struct cm_rtu_msg *) msg->mad, cm_id_priv,
private_data, private_data_len);
- ret = ib_post_send_mad(cm_id_priv->av.port->mad_agent,
- &msg->send_wr, &bad_send_wr);
+ ret = ib_post_send_mad(msg, NULL);
if (ret) {
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
cm_free_msg(msg);
@@ -1486,7 +1492,6 @@ static void cm_dup_rep_handler(struct cm_work *work)
struct cm_id_private *cm_id_priv;
struct cm_rep_msg *rep_msg;
struct ib_mad_send_buf *msg = NULL;
- struct ib_send_wr *bad_send_wr;
unsigned long flags;
int ret;
@@ -1514,8 +1519,7 @@ static void cm_dup_rep_handler(struct cm_work *work)
goto unlock;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
- ret = ib_post_send_mad(cm_id_priv->av.port->mad_agent, &msg->send_wr,
- &bad_send_wr);
+ ret = ib_post_send_mad(msg, NULL);
if (ret)
goto free;
goto deref;
@@ -1583,8 +1587,7 @@ static int cm_rep_handler(struct cm_work *work)
/* todo: handle peer_to_peer */
- ib_cancel_mad(cm_id_priv->av.port->mad_agent,
- (unsigned long) cm_id_priv->msg);
+ ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
ret = atomic_inc_and_test(&cm