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-rw-r--r--drivers/acpi/apei/ghes.c10
-rw-r--r--drivers/acpi/gsi.c54
-rw-r--r--drivers/atm/iphase.c5
-rw-r--r--drivers/base/dd.c2
-rw-r--r--drivers/base/dma-contiguous.c2
-rw-r--r--drivers/base/pinctrl.c15
-rw-r--r--drivers/base/platform-msi.c6
-rw-r--r--drivers/base/regmap/internal.h3
-rw-r--r--drivers/base/regmap/regmap-debugfs.c23
-rw-r--r--drivers/base/regmap/regmap-irq.c43
-rw-r--r--drivers/base/regmap/regmap.c41
-rw-r--r--drivers/bcma/main.c9
-rw-r--r--drivers/block/nbd.c36
-rw-r--r--drivers/block/nvme-core.c24
-rw-r--r--drivers/block/rbd.c72
-rw-r--r--drivers/block/xen-blkfront.c3
-rw-r--r--drivers/bluetooth/Kconfig8
-rw-r--r--drivers/bluetooth/ath3k.c4
-rw-r--r--drivers/bluetooth/bfusb.c11
-rw-r--r--drivers/bluetooth/bluecard_cs.c8
-rw-r--r--drivers/bluetooth/bpa10x.c186
-rw-r--r--drivers/bluetooth/bt3c_cs.c20
-rw-r--r--drivers/bluetooth/btbcm.c71
-rw-r--r--drivers/bluetooth/btintel.c369
-rw-r--r--drivers/bluetooth/btintel.h43
-rw-r--r--drivers/bluetooth/btmrvl_main.c33
-rw-r--r--drivers/bluetooth/btmrvl_sdio.c54
-rw-r--r--drivers/bluetooth/btsdio.c14
-rw-r--r--drivers/bluetooth/btuart_cs.c10
-rw-r--r--drivers/bluetooth/btusb.c366
-rw-r--r--drivers/bluetooth/btwilink.c13
-rw-r--r--drivers/bluetooth/dtl1_cs.c5
-rw-r--r--drivers/bluetooth/hci_ath.c1
-rw-r--r--drivers/bluetooth/hci_bcm.c446
-rw-r--r--drivers/bluetooth/hci_h4.c1
-rw-r--r--drivers/bluetooth/hci_h5.c10
-rw-r--r--drivers/bluetooth/hci_intel.c600
-rw-r--r--drivers/bluetooth/hci_ldisc.c24
-rw-r--r--drivers/bluetooth/hci_qca.c17
-rw-r--r--drivers/bluetooth/hci_uart.h2
-rw-r--r--drivers/bluetooth/hci_vhci.c8
-rw-r--r--drivers/bus/arm-ccn.c5
-rw-r--r--drivers/char/hw_random/Kconfig24
-rw-r--r--drivers/char/hw_random/Makefile2
-rw-r--r--drivers/char/hw_random/core.c2
-rw-r--r--drivers/char/hw_random/exynos-rng.c58
-rw-r--r--drivers/char/hw_random/mxc-rnga.c14
-rw-r--r--drivers/char/hw_random/octeon-rng.c12
-rw-r--r--drivers/char/hw_random/pasemi-rng.c1
-rw-r--r--drivers/char/hw_random/ppc4xx-rng.c1
-rw-r--r--drivers/char/hw_random/st-rng.c151
-rw-r--r--drivers/char/hw_random/stm32-rng.c202
-rw-r--r--drivers/clk/clkdev.c3
-rw-r--r--drivers/clk/rockchip/clk-mmc-phase.c54
-rw-r--r--drivers/clocksource/Kconfig4
-rw-r--r--drivers/clocksource/Makefile2
-rw-r--r--drivers/clocksource/arm_global_timer.c9
-rw-r--r--drivers/clocksource/em_sti.c2
-rw-r--r--drivers/clocksource/exynos_mct.c12
-rw-r--r--drivers/clocksource/fsl_ftm_timer.c2
-rw-r--r--drivers/clocksource/h8300_timer16.c1
-rw-r--r--drivers/clocksource/h8300_timer8.c1
-rw-r--r--drivers/clocksource/h8300_tpu.c1
-rw-r--r--drivers/clocksource/mtk_timer.c26
-rw-r--r--drivers/clocksource/numachip.c95
-rw-r--r--drivers/clocksource/samsung_pwm_timer.c2
-rw-r--r--drivers/clocksource/sh_cmt.c1
-rw-r--r--drivers/clocksource/sh_mtu2.c4
-rw-r--r--drivers/clocksource/tango_xtal.c66
-rw-r--r--drivers/clocksource/time-armada-370-xp.c14
-rw-r--r--drivers/clocksource/time-pistachio.c3
-rw-r--r--drivers/clocksource/timer-digicolor.c2
-rw-r--r--drivers/clocksource/timer-imx-gpt.c3
-rw-r--r--drivers/clocksource/timer-prima2.c2
-rw-r--r--drivers/clocksource/vf_pit_timer.c2
-rw-r--r--drivers/crypto/Kconfig5
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.c23
-rw-r--r--drivers/crypto/atmel-aes.c44
-rw-r--r--drivers/crypto/atmel-sha.c33
-rw-r--r--drivers/crypto/atmel-tdes.c35
-rw-r--r--drivers/crypto/bfin_crc.c25
-rw-r--r--drivers/crypto/caam/caamalg.c232
-rw-r--r--drivers/crypto/caam/caamhash.c131
-rw-r--r--drivers/crypto/caam/desc.h1
-rw-r--r--drivers/crypto/caam/sg_sw_sec4.h72
-rw-r--r--drivers/crypto/ccp/Kconfig13
-rw-r--r--drivers/crypto/ccp/ccp-crypto-aes-cmac.c20
-rw-r--r--drivers/crypto/ccp/ccp-crypto-main.c6
-rw-r--r--drivers/crypto/ccp/ccp-crypto-sha.c13
-rw-r--r--drivers/crypto/ccp/ccp-ops.c108
-rw-r--r--drivers/crypto/ccp/ccp-pci.c2
-rw-r--r--drivers/crypto/ccp/ccp-platform.c6
-rw-r--r--drivers/crypto/marvell/cesa.h55
-rw-r--r--drivers/crypto/marvell/cipher.c13
-rw-r--r--drivers/crypto/marvell/hash.c471
-rw-r--r--drivers/crypto/marvell/tdma.c42
-rw-r--r--drivers/crypto/n2_core.c2
-rw-r--r--drivers/crypto/nx/nx-842-powernv.c4
-rw-r--r--drivers/crypto/nx/nx-842-pseries.c8
-rw-r--r--drivers/crypto/picoxcell_crypto.c1
-rw-r--r--drivers/crypto/qat/qat_common/Makefile12
-rw-r--r--drivers/crypto/qat/qat_common/adf_common_drv.h4
-rw-r--r--drivers/crypto/qat/qat_common/adf_ctl_drv.c6
-rw-r--r--drivers/crypto/qat/qat_common/adf_init.c8
-rw-r--r--drivers/crypto/qat/qat_common/adf_sriov.c7
-rw-r--r--drivers/crypto/qat/qat_common/qat_algs.c178
-rw-r--r--drivers/crypto/qat/qat_common/qat_asym_algs.c213
-rw-r--r--drivers/crypto/qat/qat_common/qat_crypto.c79
-rw-r--r--drivers/crypto/qat/qat_common/qat_hal.c5
-rw-r--r--drivers/crypto/qat/qat_common/qat_rsakey.asn15
-rw-r--r--drivers/crypto/qat/qat_common/qat_rsaprivkey.asn111
-rw-r--r--drivers/crypto/qat/qat_common/qat_rsapubkey.asn14
-rw-r--r--drivers/crypto/qce/ablkcipher.c30
-rw-r--r--drivers/crypto/qce/cipher.h4
-rw-r--r--drivers/crypto/qce/dma.c52
-rw-r--r--drivers/crypto/qce/dma.h5
-rw-r--r--drivers/crypto/qce/sha.c18
-rw-r--r--drivers/crypto/qce/sha.h2
-rw-r--r--drivers/crypto/sahara.c108
-rw-r--r--drivers/crypto/talitos.c104
-rw-r--r--drivers/crypto/ux500/cryp/cryp_core.c71
-rw-r--r--drivers/crypto/ux500/hash/hash_core.c50
-rw-r--r--drivers/edac/Makefile2
-rw-r--r--drivers/edac/altera_edac.c20
-rw-r--r--drivers/edac/altera_edac.h5
-rw-r--r--drivers/edac/amd64_edac.c41
-rw-r--r--drivers/edac/amd64_edac.h58
-rw-r--r--drivers/edac/debugfs.c163
-rw-r--r--drivers/edac/edac_core.h2
-rw-r--r--drivers/edac/edac_mc.c2
-rw-r--r--drivers/edac/edac_mc_sysfs.c150
-rw-r--r--drivers/edac/edac_module.h34
-rw-r--r--drivers/edac/ghes_edac.c24
-rw-r--r--drivers/edac/i5100_edac.c37
-rw-r--r--drivers/edac/ppc4xx_edac.c1
-rw-r--r--drivers/edac/sb_edac.c8
-rw-r--r--drivers/edac/xgene_edac.c1193
-rw-r--r--drivers/firmware/efi/Kconfig22
-rw-r--r--drivers/firmware/efi/Makefile1
-rw-r--r--drivers/firmware/efi/efi-pstore.c1
-rw-r--r--drivers/firmware/efi/efi.c107
-rw-r--r--drivers/firmware/efi/esrt.c19
-rw-r--r--drivers/firmware/efi/fake_mem.c238
-rw-r--r--drivers/gpio/Kconfig196
-rw-r--r--drivers/gpio/Makefile5
-rw-r--r--drivers/gpio/gpio-104-idio-16.c216
-rw-r--r--drivers/gpio/gpio-altera.c15
-rw-r--r--drivers/gpio/gpio-amdpt.c261
-rw-r--r--drivers/gpio/gpio-arizona.c2
-rw-r--r--drivers/gpio/gpio-ath79.c119
-rw-r--r--drivers/gpio/gpio-etraxfs.c23
-rw-r--r--drivers/gpio/gpio-generic.c58
-rw-r--r--drivers/gpio/gpio-it87.c411
-rw-r--r--drivers/gpio/gpio-it8761e.c230
-rw-r--r--drivers/gpio/gpio-lpc18xx.c14
-rw-r--r--drivers/gpio/gpio-max730x.c1
-rw-r--r--drivers/gpio/gpio-moxart.c14
-rw-r--r--drivers/gpio/gpio-msm-v2.c453
-rw-r--r--drivers/gpio/gpio-mvebu.c14
-rw-r--r--drivers/gpio/gpio-omap.c82
-rw-r--r--drivers/gpio/gpio-pca953x.c45
-rw-r--r--drivers/gpio/gpio-pl061.c112
-rw-r--r--drivers/gpio/gpio-sodaville.c2
-rw-r--r--drivers/gpio/gpio-sx150x.c31
-rw-r--r--drivers/gpio/gpio-tb10x.c14
-rw-r--r--drivers/gpio/gpio-tz1090-pdc.c14
-rw-r--r--drivers/gpio/gpio-vf610.c43
-rw-r--r--drivers/gpio/gpio-xlp.c21
-rw-r--r--drivers/gpio/gpio-zx.c28
-rw-r--r--drivers/gpio/gpio-zynq.c32
-rw-r--r--drivers/gpio/gpiolib-acpi.c21
-rw-r--r--drivers/gpio/gpiolib-legacy.c8
-rw-r--r--drivers/gpio/gpiolib-of.c20
-rw-r--r--drivers/gpio/gpiolib.c175
-rw-r--r--drivers/gpio/gpiolib.h3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c13
-rw-r--r--drivers/gpu/drm/amd/amdgpu/kv_dpm.c3
-rw-r--r--drivers/gpu/drm/drm_crtc.c4
-rw-r--r--drivers/gpu/drm/drm_dp_mst_topology.c7
-rw-r--r--drivers/gpu/drm/i915/i915_gem_shrinker.c2
-rw-r--r--drivers/gpu/drm/i915/i915_gem_userptr.c5
-rw-r--r--drivers/gpu/drm/i915/intel_display.c120
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c1
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c2
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c5
-rw-r--r--drivers/gpu/drm/radeon/atombios_encoders.c19
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon_encoders.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_encoders.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c43
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c34
-rw-r--r--drivers/hwmon/Kconfig10
-rw-r--r--drivers/hwmon/Makefile1
-rw-r--r--drivers/hwmon/abx500.c2
-rw-r--r--drivers/hwmon/coretemp.c2
-rw-r--r--drivers/hwmon/fam15h_power.c87
-rw-r--r--drivers/hwmon/ibmpowernv.c7
-rw-r--r--drivers/hwmon/ina2xx.c243
-rw-r--r--drivers/hwmon/lm75.c7
-rw-r--r--drivers/hwmon/max31790.c603
-rw-r--r--drivers/hwmon/nct6775.c101
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c2
-rw-r--r--drivers/i2c/busses/i2c-pnx.c10
-rw-r--r--drivers/ide/pdc202xx_new.c10
-rw-r--r--drivers/iio/accel/st_accel_core.c6
-rw-r--r--drivers/iio/adc/twl4030-madc.c34
-rw-r--r--drivers/infiniband/core/cache.c2
-rw-r--r--drivers/infiniband/core/cm.c10
-rw-r--r--drivers/infiniband/core/cma.c6
-rw-r--r--drivers/infiniband/core/roce_gid_mgmt.c35
-rw-r--r--drivers/infiniband/core/ucma.c7
-rw-r--r--drivers/infiniband/hw/nes/nes_nic.c3
-rw-r--r--drivers/input/mouse/alps.c48
-rw-r--r--drivers/input/touchscreen/Kconfig1
-rw-r--r--drivers/input/touchscreen/lpc32xx_ts.c4
-rw-r--r--drivers/iommu/amd_iommu.c4
-rw-r--r--drivers/iommu/amd_iommu_types.h1
-rw-r--r--drivers/iommu/amd_iommu_v2.c7
-rw-r--r--drivers/iommu/intel-iommu.c12
-rw-r--r--drivers/irqchip/Kconfig6
-rw-r--r--drivers/irqchip/Makefile2
-rw-r--r--drivers/irqchip/alphascale_asm9260-icoll.h109
-rw-r--r--drivers/irqchip/exynos-combiner.c2
-rw-r--r--drivers/irqchip/irq-armada-370-xp.c15
-rw-r--r--drivers/irqchip/irq-atmel-aic-common.c2
-rw-r--r--drivers/irqchip/irq-atmel-aic5.c62
-rw-r--r--drivers/irqchip/irq-crossbar.c62
-rw-r--r--drivers/irqchip/irq-gic-common.c11
-rw-r--r--drivers/irqchip/irq-gic-common.h9
-rw-r--r--drivers/irqchip/irq-gic-v2m.c163
-rw-r--r--drivers/irqchip/irq-gic-v3-its-pci-msi.c7
-rw-r--r--drivers/irqchip/irq-gic-v3-its-platform-msi.c21
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c83
-rw-r--r--drivers/irqchip/irq-gic-v3.c161
-rw-r--r--drivers/irqchip/irq-gic.c110
-rw-r--r--drivers/irqchip/irq-hip04.c2
-rw-r--r--drivers/irqchip/irq-i8259.c4
-rw-r--r--drivers/irqchip/irq-imx-gpcv2.c64
-rw-r--r--drivers/irqchip/irq-mtk-sysirq.c49
-rw-r--r--drivers/irqchip/irq-mxs.c171
-rw-r--r--drivers/irqchip/irq-nvic.c18
-rw-r--r--drivers/irqchip/irq-renesas-intc-irqpin.c6
-rw-r--r--drivers/irqchip/irq-renesas-irqc.c86
-rw-r--r--drivers/irqchip/irq-s3c24xx.c4
-rw-r--r--drivers/irqchip/irq-sunxi-nmi.c22
-rw-r--r--drivers/irqchip/irq-tegra.c56
-rw-r--r--drivers/irqchip/irq-vf610-mscm-ir.c45
-rw-r--r--drivers/isdn/hisax/hfc4s8s_l1.c10
-rw-r--r--drivers/isdn/hisax/isdnl2.c20
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c12
-rw-r--r--drivers/isdn/mISDN/dsp_pipeline.c12
-rw-r--r--drivers/isdn/mISDN/layer2.c54
-rw-r--r--drivers/leds/Kconfig10
-rw-r--r--drivers/leds/Makefile1
-rw-r--r--drivers/leds/led-class.c69
-rw-r--r--drivers/leds/led-core.c73
-rw-r--r--drivers/leds/leds-88pm860x.c1
-rw-r--r--drivers/leds/leds-bcm6328.c45
-rw-r--r--drivers/leds/leds-bcm6358.c4
-rw-r--r--drivers/leds/leds-cobalt-qube.c23
-rw-r--r--drivers/leds/leds-gpio.c13
-rw-r--r--drivers/leds/leds-hp6xx.c17
-rw-r--r--drivers/leds/leds-ipaq-micro.c27
-rw-r--r--drivers/leds/leds-locomo.c15
-rw-r--r--drivers/leds/leds-menf21bmc.c26
-rw-r--r--drivers/leds/leds-net48xx.c9
-rw-r--r--drivers/leds/leds-netxbig.c336
-rw-r--r--drivers/leds/leds-ot200.c21
-rw-r--r--drivers/leds/leds-powernv.c8
-rw-r--r--drivers/leds/leds-sead3.c78
-rw-r--r--drivers/leds/leds-wrap.c28
-rw-r--r--drivers/leds/leds.h1
-rw-r--r--drivers/leds/trigger/ledtrig-heartbeat.c47
-rw-r--r--drivers/md/dm-cache-metadata.c2
-rw-r--r--drivers/md/md.c3
-rw-r--r--drivers/md/persistent-data/dm-btree-remove.c17
-rw-r--r--drivers/md/persistent-data/dm-btree.c2
-rw-r--r--drivers/md/raid1.c13
-rw-r--r--drivers/md/raid10.c39
-rw-r--r--drivers/md/raid5.c6
-rw-r--r--drivers/media/dvb-frontends/horus3a.h4
-rw-r--r--drivers/media/dvb-frontends/lnbh25.h2
-rw-r--r--drivers/media/dvb-frontends/m88ds3103.c73
-rw-r--r--drivers/media/dvb-frontends/si2168.c4
-rw-r--r--drivers/media/pci/netup_unidvb/netup_unidvb_spi.c12
-rw-r--r--drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c7
-rw-r--r--drivers/media/rc/ir-hix5hd2.c2
-rw-r--r--drivers/media/tuners/si2157.c4
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.c15
-rw-r--r--drivers/media/usb/dvb-usb-v2/rtl28xxu.h2
-rw-r--r--drivers/media/v4l2-core/Kconfig2
-rw-r--r--drivers/memory/Kconfig12
-rw-r--r--drivers/memory/omap-gpmc.c2
-rw-r--r--drivers/mmc/card/block.c199
-rw-r--r--drivers/mmc/card/mmc_test.c9
-rw-r--r--drivers/mmc/core/Kconfig10
-rw-r--r--drivers/mmc/core/core.c291
-rw-r--r--drivers/mmc/core/core.h3
-rw-r--r--drivers/mmc/core/debugfs.c30
-rw-r--r--drivers/mmc/core/host.c247
-rw-r--r--drivers/mmc/core/mmc.c12
-rw-r--r--drivers/mmc/core/mmc_ops.c9
-rw-r--r--drivers/mmc/core/mmc_ops.h3
-rw-r--r--drivers/mmc/core/pwrseq_emmc.c8
-rw-r--r--drivers/mmc/core/pwrseq_simple.c45
-rw-r--r--drivers/mmc/core/quirks.c18
-rw-r--r--drivers/mmc/core/sd.c27
-rw-r--r--drivers/mmc/core/sdio.c27
-rw-r--r--drivers/mmc/core/sdio_irq.c14
-rw-r--r--drivers/mmc/core/sdio_ops.h7
-rw-r--r--drivers/mmc/host/Kconfig21
-rw-r--r--drivers/mmc/host/Makefile2
-rw-r--r--drivers/mmc/host/dw_mmc-exynos.c4
-rw-r--r--drivers/mmc/host/dw_mmc-pltfm.c2
-rw-r--r--drivers/mmc/host/dw_mmc-rockchip.c162
-rw-r--r--drivers/mmc/host/dw_mmc.c290
-rw-r--r--drivers/mmc/host/dw_mmc.h13
-rw-r--r--drivers/mmc/host/mmc_spi.c1
-rw-r--r--drivers/mmc/host/moxart-mmc.c1
-rw-r--r--drivers/mmc/host/mtk-sd.c306
-rw-r--r--drivers/mmc/host/omap.c1
-rw-r--r--drivers/mmc/host/sdhci-acpi.c11
-rw-r--r--drivers/mmc/host/sdhci-bcm-kona.c2
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c6
-rw-r--r--drivers/mmc/host/sdhci-esdhc.h2
-rw-r--r--drivers/mmc/host/sdhci-msm.c2
-rw-r--r--drivers/mmc/host/sdhci-of-at91.c1
-rw-r--r--drivers/mmc/host/sdhci-of-esdhc.c463
-rw-r--r--drivers/mmc/host/sdhci-pci-core.c (renamed from drivers/mmc/host/sdhci-pci.c)62
-rw-r--r--drivers/mmc/host/sdhci-pci-o2micro.c6
-rw-r--r--drivers/mmc/host/sdhci-pci-o2micro.h2
-rw-r--r--drivers/mmc/host/sdhci-pci.h7
-rw-r--r--drivers/mmc/host/sdhci-pltfm.c6
-rw-r--r--drivers/mmc/host/sdhci-sirf.c5
-rw-r--r--drivers/mmc/host/sdhci.c29
-rw-r--r--drivers/mmc/host/sunxi-mmc.c8
-rw-r--r--drivers/mmc/host/vub300.c6
-rw-r--r--drivers/mmc/host/wbsd.c2
-rw-r--r--drivers/net/Kconfig5
-rw-r--r--drivers/net/arcnet/Kconfig1
-rw-r--r--drivers/net/arcnet/arc-rawmode.c142
-rw-r--r--drivers/net/arcnet/arc-rimi.c145
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-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/phy.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/pwrseq.c (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/pwrseq.c)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/pwrseq.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/pwrseq.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/reg.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/reg.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/rf.c (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/rf.c)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/rf.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/rf.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/sw.c)5
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/sw.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/table.c (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/table.c)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/table.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/table.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.c (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/trx.c)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8821ae/trx.h (renamed from drivers/net/wireless/rtlwifi/rtl8821ae/trx.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/stats.c (renamed from drivers/net/wireless/rtlwifi/stats.c)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/stats.h (renamed from drivers/net/wireless/rtlwifi/stats.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/usb.c (renamed from drivers/net/wireless/rtlwifi/usb.c)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/usb.h (renamed from drivers/net/wireless/rtlwifi/usb.h)0
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/wifi.h (renamed from drivers/net/wireless/rtlwifi/wifi.h)3
-rw-r--r--drivers/net/wireless/rndis_wlan.c2
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_mac80211.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c2
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.h2
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c1
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c2
-rw-r--r--drivers/net/wireless/ti/wl12xx/scan.c3
-rw-r--r--drivers/net/wireless/ti/wl18xx/main.c1
-rw-r--r--drivers/net/wireless/ti/wl18xx/scan.c8
-rw-r--r--drivers/net/wireless/ti/wlcore/main.c2
-rw-r--r--drivers/net/wireless/ti/wlcore/wlcore.h2
-rw-r--r--drivers/net/xen-netback/xenbus.c6
-rw-r--r--drivers/net/xen-netfront.c31
-rw-r--r--drivers/nfc/Kconfig1
-rw-r--r--drivers/nfc/Makefile1
-rw-r--r--drivers/nfc/fdp/Kconfig23
-rw-r--r--drivers/nfc/fdp/Makefile9
-rw-r--r--drivers/nfc/fdp/fdp.c817
-rw-r--r--drivers/nfc/fdp/fdp.h38
-rw-r--r--drivers/nfc/fdp/i2c.c388
-rw-r--r--drivers/nfc/microread/Kconfig18
-rw-r--r--drivers/nfc/nfcmrvl/Kconfig34
-rw-r--r--drivers/nfc/nfcmrvl/Makefile8
-rw-r--r--drivers/nfc/nfcmrvl/fw_dnld.c553
-rw-r--r--drivers/nfc/nfcmrvl/fw_dnld.h98
-rw-r--r--drivers/nfc/nfcmrvl/i2c.c290
-rw-r--r--drivers/nfc/nfcmrvl/main.c75
-rw-r--r--drivers/nfc/nfcmrvl/nfcmrvl.h23
-rw-r--r--drivers/nfc/nfcmrvl/spi.c228
-rw-r--r--drivers/nfc/nfcmrvl/uart.c26
-rw-r--r--drivers/nfc/nfcmrvl/usb.c10
-rw-r--r--drivers/nfc/nfcsim.c2
-rw-r--r--drivers/nfc/nfcwilink.c2
-rw-r--r--drivers/nfc/nxp-nci/core.c3
-rw-r--r--drivers/nfc/nxp-nci/i2c.c2
-rw-r--r--drivers/nfc/nxp-nci/nxp-nci.h5
-rw-r--r--drivers/nfc/pn533.c2
-rw-r--r--drivers/nfc/pn544/Kconfig18
-rw-r--r--drivers/nfc/s3fwrn5/Kconfig1
-rw-r--r--drivers/nfc/s3fwrn5/Makefile2
-rw-r--r--drivers/nfc/s3fwrn5/i2c.c2
-rw-r--r--drivers/nfc/s3fwrn5/nci.c4
-rw-r--r--drivers/nfc/s3fwrn5/nci.h2
-rw-r--r--drivers/nfc/st-nci/Makefile4
-rw-r--r--drivers/nfc/st-nci/core.c20
-rw-r--r--drivers/nfc/st-nci/i2c.c35
-rw-r--r--drivers/nfc/st-nci/ndlc.c7
-rw-r--r--drivers/nfc/st-nci/ndlc.h5
-rw-r--r--drivers/nfc/st-nci/se.c (renamed from drivers/nfc/st-nci/st-nci_se.c)166
-rw-r--r--drivers/nfc/st-nci/spi.c37
-rw-r--r--drivers/nfc/st-nci/st-nci.h117
-rw-r--r--drivers/nfc/st-nci/st-nci_se.h61
-rw-r--r--drivers/nfc/st-nci/vendor_cmds.c516
-rw-r--r--drivers/nfc/st21nfca/Makefile2
-rw-r--r--drivers/nfc/st21nfca/core.c (renamed from drivers/nfc/st21nfca/st21nfca.c)48
-rw-r--r--drivers/nfc/st21nfca/dep.c (renamed from drivers/nfc/st21nfca/st21nfca_dep.c)2
-rw-r--r--drivers/nfc/st21nfca/i2c.c1
-rw-r--r--drivers/nfc/st21nfca/se.c (renamed from drivers/nfc/st21nfca/st21nfca_se.c)18
-rw-r--r--drivers/nfc/st21nfca/st21nfca.h148
-rw-r--r--drivers/nfc/st21nfca/st21nfca_dep.h43
-rw-r--r--drivers/nfc/st21nfca/st21nfca_se.h63
-rw-r--r--drivers/nfc/st21nfca/vendor_cmds.c375
-rw-r--r--drivers/nfc/trf7970a.c7
-rw-r--r--drivers/of/irq.c185
-rw-r--r--drivers/pci/host/pci-xgene-msi.c2
-rw-r--r--drivers/pci/msi.c63
-rw-r--r--drivers/pci/of.c13
-rw-r--r--drivers/pci/pci-sysfs.c2
-rw-r--r--drivers/pci/probe.c43
-rw-r--r--drivers/perf/arm_pmu.c10
-rw-r--r--drivers/phy/phy-rcar-gen2.c3
-rw-r--r--drivers/pinctrl/Kconfig13
-rw-r--r--drivers/pinctrl/Makefile3
-rw-r--r--drivers/pinctrl/bcm/pinctrl-bcm2835.c14
-rw-r--r--drivers/pinctrl/bcm/pinctrl-cygnus-gpio.c131
-rw-r--r--drivers/pinctrl/berlin/Kconfig16
-rw-r--r--drivers/pinctrl/berlin/Makefile1
-rw-r--r--drivers/pinctrl/berlin/berlin-bg2.c4
-rw-r--r--drivers/pinctrl/berlin/berlin-bg2cd.c66
-rw-r--r--drivers/pinctrl/berlin/berlin-bg2q.c4
-rw-r--r--drivers/pinctrl/berlin/berlin-bg4ct.c503
-rw-r--r--drivers/pinctrl/berlin/berlin.c28
-rw-r--r--drivers/pinctrl/berlin/berlin.h6
-rw-r--r--drivers/pinctrl/core.c32
-rw-r--r--drivers/pinctrl/freescale/pinctrl-imx.c36
-rw-r--r--drivers/pinctrl/freescale/pinctrl-imx.h2
-rw-r--r--drivers/pinctrl/freescale/pinctrl-imx7d.c30
-rw-r--r--drivers/pinctrl/freescale/pinctrl-mxs.c2
-rw-r--r--drivers/pinctrl/intel/Kconfig8
-rw-r--r--drivers/pinctrl/intel/Makefile1
-rw-r--r--drivers/pinctrl/intel/pinctrl-baytrail.c2
-rw-r--r--drivers/pinctrl/intel/pinctrl-broxton.c1065
-rw-r--r--drivers/pinctrl/intel/pinctrl-cherryview.c14
-rw-r--r--drivers/pinctrl/intel/pinctrl-intel.c122
-rw-r--r--drivers/pinctrl/mediatek/pinctrl-mtk-common.c18
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-abx500.c18
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-nomadik.c22
-rw-r--r--drivers/pinctrl/pinconf-generic.c35
-rw-r--r--drivers/pinctrl/pinconf.c13
-rw-r--r--drivers/pinctrl/pinctrl-adi2.c14
-rw-r--r--drivers/pinctrl/pinctrl-as3722.c14
-rw-r--r--drivers/pinctrl/pinctrl-at91-pio4.c1094
-rw-r--r--drivers/pinctrl/pinctrl-at91.c31
-rw-r--r--drivers/pinctrl/pinctrl-coh901.c22
-rw-r--r--drivers/pinctrl/pinctrl-digicolor.c14
-rw-r--r--drivers/pinctrl/pinctrl-pistachio.c14
-rw-r--r--drivers/pinctrl/pinctrl-rockchip.c31
-rw-r--r--drivers/pinctrl/pinctrl-st.c14
-rw-r--r--drivers/pinctrl/pinctrl-tegra-xusb.c9
-rw-r--r--drivers/pinctrl/pinctrl-tz1090-pdc.c4
-rw-r--r--drivers/pinctrl/pinctrl-tz1090.c4
-rw-r--r--drivers/pinctrl/pinctrl-xway.c18
-rw-r--r--drivers/pinctrl/pinctrl-zynq.c16
-rw-r--r--drivers/pinctrl/qcom/pinctrl-msm.c16
-rw-r--r--drivers/pinctrl/qcom/pinctrl-spmi-gpio.c14
-rw-r--r--drivers/pinctrl/qcom/pinctrl-spmi-mpp.c14
-rw-r--r--drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c2
-rw-r--r--drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c2
-rw-r--r--drivers/pinctrl/samsung/pinctrl-exynos5440.c2
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.c14
-rw-r--r--drivers/pinctrl/sh-pfc/Kconfig5
-rw-r--r--drivers/pinctrl/sh-pfc/Makefile1
-rw-r--r--drivers/pinctrl/sh-pfc/core.c16
-rw-r--r--drivers/pinctrl/sh-pfc/core.h3
-rw-r--r--drivers/pinctrl/sh-pfc/gpio.c37
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-emev2.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a73a4.c124
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7740.c68
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7778.c266
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7779.c425
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7790.c1062
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7791.c1103
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7794.c1035
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a7795.c2816
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7203.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7264.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7269.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh73a0.c68
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7720.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7722.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7723.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7724.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7734.c782
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7757.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7785.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-sh7786.c4
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-shx3.c4
-rw-r--r--drivers/pinctrl/sh-pfc/sh_pfc.h93
-rw-r--r--drivers/pinctrl/sirf/pinctrl-atlas7.c1828
-rw-r--r--drivers/pinctrl/sunxi/Kconfig4
-rw-r--r--drivers/pinctrl/sunxi/Makefile1
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sun6i-a31-r.c24
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c603
-rw-r--r--drivers/pinctrl/sunxi/pinctrl-sunxi.c22
-rw-r--r--drivers/pinctrl/uniphier/Kconfig14
-rw-r--r--drivers/pinctrl/uniphier/Makefile2
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-ph1-ld4.c5
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-ph1-ld6b.c5
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-ph1-pro4.c11
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-ph1-pro5.c5
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-ph1-sld8.c5
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-proxstream2.c5
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-uniphier-core.c10
-rw-r--r--drivers/pinctrl/vt8500/pinctrl-wmt.c14
-rw-r--r--drivers/pps/kapi.c4
-rw-r--r--drivers/s390/char/monreader.c4
-rw-r--r--drivers/s390/char/vmlogrdr.c8
-rw-r--r--drivers/s390/cio/qdio_main.c4
-rw-r--r--drivers/s390/net/netiucv.c21
-rw-r--r--drivers/s390/net/qeth_core.h30
-rw-r--r--drivers/s390/net/qeth_core_main.c241
-rw-r--r--drivers/s390/net/qeth_core_sys.c43
-rw-r--r--drivers/s390/net/qeth_l2_main.c228
-rw-r--r--drivers/s390/net/qeth_l2_sys.c2
-rw-r--r--drivers/s390/net/qeth_l3_main.c158
-rw-r--r--drivers/s390/net/smsgiucv.c5
-rw-r--r--drivers/scsi/cxgbi/cxgb4i/cxgb4i.c2
-rw-r--r--drivers/scsi/mvsas/mv_sas.c2
-rw-r--r--drivers/scsi/scsi_dh.c8
-rw-r--r--drivers/scsi/scsi_priv.h2
-rw-r--r--drivers/scsi/scsi_sysfs.c2
-rw-r--r--drivers/spmi/spmi-pmic-arb.c2
-rw-r--r--drivers/ssb/Kconfig9
-rw-r--r--drivers/ssb/Makefile3
-rw-r--r--drivers/ssb/bridge_pcmcia_80211.c128
-rw-r--r--drivers/ssb/host_soc.c173
-rw-r--r--drivers/ssb/main.c173
-rw-r--r--drivers/ssb/pcmcia.c3
-rw-r--r--drivers/ssb/sdio.c2
-rw-r--r--drivers/ssb/ssb_private.h34
-rw-r--r--drivers/staging/iio/accel/sca3000_ring.c2
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c9
-rw-r--r--drivers/staging/speakup/selection.c2
-rw-r--r--drivers/thermal/samsung/exynos_tmu.c2
-rw-r--r--drivers/tty/hvc/hvc_iucv.c10
-rw-r--r--drivers/tty/serial/8250/8250_dma.c4
-rw-r--r--drivers/usb/host/xhci-pci.c1
-rw-r--r--drivers/usb/host/xhci-ring.c30
-rw-r--r--drivers/usb/musb/omap2430.c29
-rw-r--r--drivers/usb/renesas_usbhs/rcar2.c1
-rw-r--r--drivers/vhost/vhost.h7
-rw-r--r--drivers/video/console/fbcon.c1
-rw-r--r--drivers/video/fbdev/efifb.c24
1426 files changed, 115542 insertions, 21695 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 23981ac1c6c2..3dd9c462d22a 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -157,11 +157,15 @@ static void __iomem *ghes_ioremap_pfn_nmi(u64 pfn)
static void __iomem *ghes_ioremap_pfn_irq(u64 pfn)
{
- unsigned long vaddr;
+ unsigned long vaddr, paddr;
+ pgprot_t prot;
vaddr = (unsigned long)GHES_IOREMAP_IRQ_PAGE(ghes_ioremap_area->addr);
- ioremap_page_range(vaddr, vaddr + PAGE_SIZE,
- pfn << PAGE_SHIFT, PAGE_KERNEL);
+
+ paddr = pfn << PAGE_SHIFT;
+ prot = arch_apei_get_mem_attribute(paddr);
+
+ ioremap_page_range(vaddr, vaddr + PAGE_SIZE, paddr, prot);
return (void __iomem *)vaddr;
}
diff --git a/drivers/acpi/gsi.c b/drivers/acpi/gsi.c
index 38208f2d0e69..fa4585a6914e 100644
--- a/drivers/acpi/gsi.c
+++ b/drivers/acpi/gsi.c
@@ -11,9 +11,12 @@
#include <linux/acpi.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
+#include <linux/of.h>
enum acpi_irq_model_id acpi_irq_model;
+static struct fwnode_handle *acpi_gsi_domain_id;
+
static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity)
{
switch (polarity) {
@@ -45,12 +48,10 @@ static unsigned int acpi_gsi_get_irq_type(int trigger, int polarity)
*/
int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
{
- /*
- * Only default domain is supported at present, always find
- * the mapping corresponding to default domain by passing NULL
- * as irq_domain parameter
- */
- *irq = irq_find_mapping(NULL, gsi);
+ struct irq_domain *d = irq_find_matching_fwnode(acpi_gsi_domain_id,
+ DOMAIN_BUS_ANY);
+
+ *irq = irq_find_mapping(d, gsi);
/*
* *irq == 0 means no mapping, that should
* be reported as a failure
@@ -72,23 +73,19 @@ EXPORT_SYMBOL_GPL(acpi_gsi_to_irq);
int acpi_register_gsi(struct device *dev, u32 gsi, int trigger,
int polarity)
{
- unsigned int irq;
- unsigned int irq_type = acpi_gsi_get_irq_type(trigger, polarity);
+ struct irq_fwspec fwspec;
- /*
- * There is no way at present to look-up the IRQ domain on ACPI,
- * hence always create mapping referring to the default domain
- * by passing NULL as irq_domain parameter
- */
- irq = irq_create_mapping(NULL, gsi);
- if (!irq)
+ if (WARN_ON(!acpi_gsi_domain_id)) {
+ pr_warn("GSI: No registered irqchip, giving up\n");
return -EINVAL;
+ }
- /* Set irq type if specified and different than the current one */
- if (irq_type != IRQ_TYPE_NONE &&
- irq_type != irq_get_trigger_type(irq))
- irq_set_irq_type(irq, irq_type);
- return irq;
+ fwspec.fwnode = acpi_gsi_domain_id;
+ fwspec.param[0] = gsi;
+ fwspec.param[1] = acpi_gsi_get_irq_type(trigger, polarity);
+ fwspec.param_count = 2;
+
+ return irq_create_fwspec_mapping(&fwspec);
}
EXPORT_SYMBOL_GPL(acpi_register_gsi);
@@ -98,8 +95,23 @@ EXPORT_SYMBOL_GPL(acpi_register_gsi);
*/
void acpi_unregister_gsi(u32 gsi)
{
- int irq = irq_find_mapping(NULL, gsi);
+ struct irq_domain *d = irq_find_matching_fwnode(acpi_gsi_domain_id,
+ DOMAIN_BUS_ANY);
+ int irq = irq_find_mapping(d, gsi);
irq_dispose_mapping(irq);
}
EXPORT_SYMBOL_GPL(acpi_unregister_gsi);
+
+/**
+ * acpi_set_irq_model - Setup the GSI irqdomain information
+ * @model: the value assigned to acpi_irq_model
+ * @fwnode: the irq_domain identifier for mapping and looking up
+ * GSI interrupts
+ */
+void __init acpi_set_irq_model(enum acpi_irq_model_id model,
+ struct fwnode_handle *fwnode)
+{
+ acpi_irq_model = model;
+ acpi_gsi_domain_id = fwnode;
+}
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 65e65903faa0..7d00f2994738 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -112,7 +112,8 @@ static void ia_enque_head_rtn_q (IARTN_Q *que, IARTN_Q * data)
static int ia_enque_rtn_q (IARTN_Q *que, struct desc_tbl_t data) {
IARTN_Q *entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
- if (!entry) return -1;
+ if (!entry)
+ return -ENOMEM;
entry->data = data;
entry->next = NULL;
if (que->next == NULL)
@@ -1175,7 +1176,7 @@ static int rx_pkt(struct atm_dev *dev)
if (!(skb = atm_alloc_charge(vcc, len, GFP_ATOMIC))) {
if (vcc->vci < 32)
printk("Drop control packets\n");
- goto out_free_desc;
+ goto out_free_desc;
}
skb_put(skb,len);
// pwang_test
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index be0eb4639128..a641cf3ccad6 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -322,6 +322,8 @@ static int really_probe(struct device *dev, struct device_driver *drv)
goto probe_failed;
}
+ pinctrl_init_done(dev);
+
if (dev->pm_domain && dev->pm_domain->sync)
dev->pm_domain->sync(dev);
diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 950fff9ce453..a12ff9863d7e 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -187,7 +187,7 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
* global one. Requires architecture specific dev_get_cma_area() helper
* function.
*/
-struct page *dma_alloc_from_contiguous(struct device *dev, int count,
+struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
unsigned int align)
{
if (align > CONFIG_CMA_ALIGNMENT)
diff --git a/drivers/base/pinctrl.c b/drivers/base/pinctrl.c
index 5fb74b43848e..076297592754 100644
--- a/drivers/base/pinctrl.c
+++ b/drivers/base/pinctrl.c
@@ -42,9 +42,20 @@ int pinctrl_bind_pins(struct device *dev)
goto cleanup_get;
}
- ret = pinctrl_select_state(dev->pins->p, dev->pins->default_state);
+ dev->pins->init_state = pinctrl_lookup_state(dev->pins->p,
+ PINCTRL_STATE_INIT);
+ if (IS_ERR(dev->pins->init_state)) {
+ /* Not supplying this state is perfectly legal */
+ dev_dbg(dev, "no init pinctrl state\n");
+
+ ret = pinctrl_select_state(dev->pins->p,
+ dev->pins->default_state);
+ } else {
+ ret = pinctrl_select_state(dev->pins->p, dev->pins->init_state);
+ }
+
if (ret) {
- dev_dbg(dev, "failed to activate default pinctrl state\n");
+ dev_dbg(dev, "failed to activate initial pinctrl state\n");
goto cleanup_get;
}
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 134483daac25..5df4575b5ba7 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -152,7 +152,7 @@ static int platform_msi_alloc_descs(struct device *dev, int nvec,
/**
* platform_msi_create_irq_domain - Create a platform MSI interrupt domain
- * @np: Optional device-tree node of the interrupt controller
+ * @fwnode: Optional fwnode of the interrupt controller
* @info: MSI domain info
* @parent: Parent irq domain
*
@@ -162,7 +162,7 @@ static int platform_msi_alloc_descs(struct device *dev, int nvec,
* Returns:
* A domain pointer or NULL in case of failure.
*/
-struct irq_domain *platform_msi_create_irq_domain(struct device_node *np,
+struct irq_domain *platform_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
@@ -173,7 +173,7 @@ struct irq_domain *platform_msi_create_irq_domain(struct device_node *np,
if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
platform_msi_update_chip_ops(info);
- domain = msi_create_irq_domain(np, info, parent);
+ domain = msi_create_irq_domain(fwnode, info, parent);
if (domain)
domain->bus_token = DOMAIN_BUS_PLATFORM_MSI;
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index cc557886ab23..3250e53473a3 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -59,6 +59,7 @@ struct regmap {
regmap_lock lock;
regmap_unlock unlock;
void *lock_arg; /* This is passed to lock/unlock functions */
+ gfp_t alloc_flags;
struct device *dev; /* Device we do I/O on */
void *work_buf; /* Scratch buffer used to format I/O */
@@ -98,6 +99,8 @@ struct regmap {
int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
int (*reg_write)(void *context, unsigned int reg, unsigned int val);
+ int (*reg_update_bits)(void *context, unsigned int reg,
+ unsigned int mask, unsigned int val);
bool defer_caching;
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 4c55cfbad19e..3f0a7e262d69 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -30,7 +30,7 @@ static LIST_HEAD(regmap_debugfs_early_list);
static DEFINE_MUTEX(regmap_debugfs_early_lock);
/* Calculate the length of a fixed format */
-static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size)
+static size_t regmap_calc_reg_len(int max_val)
{
return snprintf(NULL, 0, "%x", max_val);
}
@@ -173,8 +173,7 @@ static inline void regmap_calc_tot_len(struct regmap *map,
{
/* Calculate the length of a fixed format */
if (!map->debugfs_tot_len) {
- map->debugfs_reg_len = regmap_calc_reg_len(map->max_register,
- buf, count);
+ map->debugfs_reg_len = regmap_calc_reg_len(map->max_register),
map->debugfs_val_len = 2 * map->format.val_bytes;
map->debugfs_tot_len = map->debugfs_reg_len +
map->debugfs_val_len + 3; /* : \n */
@@ -338,6 +337,7 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file,
char *buf;
char *entry;
int ret;
+ unsigned entry_len;
if (*ppos < 0 || !count)
return -EINVAL;
@@ -365,18 +365,15 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file,
p = 0;
mutex_lock(&map->cache_lock);
list_for_each_entry(c, &map->debugfs_off_cache, list) {
- snprintf(entry, PAGE_SIZE, "%x-%x",
- c->base_reg, c->max_reg);
+ entry_len = snprintf(entry, PAGE_SIZE, "%x-%x\n",
+ c->base_reg, c->max_reg);
if (p >= *ppos) {
- if (buf_pos + 1 + strlen(entry) > count)
+ if (buf_pos + entry_len > count)
break;
- snprintf(buf + buf_pos, count - buf_pos,
- "%s", entry);
- buf_pos += strlen(entry);
- buf[buf_pos] = '\n';
- buf_pos++;
+ memcpy(buf + buf_pos, entry, entry_len);
+ buf_pos += entry_len;
}
- p += strlen(entry) + 1;
+ p += entry_len;
}
mutex_unlock(&map->cache_lock);
@@ -420,7 +417,7 @@ static ssize_t regmap_access_read_file(struct file *file,
return -ENOMEM;
/* Calculate the length of a fixed format */
- reg_len = regmap_calc_reg_len(map->max_register, buf, count);
+ reg_len = regmap_calc_reg_len(map->max_register);
tot_len = reg_len + 10; /* ': R W V P\n' */
for (i = 0; i <= map->max_register; i += map->reg_stride) {
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 38d1f72d869c..8d16db533527 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -63,6 +63,7 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
struct regmap *map = d->map;
int i, ret;
u32 reg;
+ u32 unmask_offset;
if (d->chip->runtime_pm) {
ret = pm_runtime_get_sync(map->dev);
@@ -79,12 +80,28 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
for (i = 0; i < d->chip->num_regs; i++) {
reg = d->chip->mask_base +
(i * map->reg_stride * d->irq_reg_stride);
- if (d->chip->mask_invert)
+ if (d->chip->mask_invert) {
ret = regmap_update_bits(d->map, reg,
d->mask_buf_def[i], ~d->mask_buf[i]);
- else
+ } else if (d->chip->unmask_base) {
+ /* set mask with mask_base register */
+ ret = regmap_update_bits(d->map, reg,
+ d->mask_buf_def[i], ~d->mask_buf[i]);
+ if (ret < 0)
+ dev_err(d->map->dev,
+ "Failed to sync unmasks in %x\n",
+ reg);
+ unmask_offset = d->chip->unmask_base -
+ d->chip->mask_base;
+ /* clear mask with unmask_base register */
+ ret = regmap_update_bits(d->map,
+ reg + unmask_offset,
+ d->mask_buf_def[i],
+ d->mask_buf[i]);
+ } else {
ret = regmap_update_bits(d->map, reg,
d->mask_buf_def[i], d->mask_buf[i]);
+ }
if (ret != 0)
dev_err(d->map->dev, "Failed to sync masks in %x\n",
reg);
@@ -116,7 +133,11 @@ static void regmap_irq_sync_unlock(struct irq_data *data)
if (d->mask_buf[i] && (d->chip->ack_base || d->chip->use_ack)) {
reg = d->chip->ack_base +
(i * map->reg_stride * d->irq_reg_stride);
- ret = regmap_write(map, reg, d->mask_buf[i]);
+ /* some chips ack by write 0 */
+ if (d->chip->ack_invert)
+ ret = regmap_write(map, reg, ~d->mask_buf[i]);
+ else
+ ret = regmap_write(map, reg, d->mask_buf[i]);
if (ret != 0)
dev_err(d->map->dev, "Failed to ack 0x%x: %d\n",
reg, ret);
@@ -339,6 +360,7 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
int i;
int ret = -ENOMEM;
u32 reg;
+ u32 unmask_offset;
if (chip->num_regs <= 0)
return -EINVAL;
@@ -420,7 +442,14 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
if (chip->mask_invert)
ret = regmap_update_bits(map, reg,
d->mask_buf[i], ~d->mask_buf[i]);
- else
+ else if (d->chip->unmask_base) {
+ unmask_offset = d->chip->unmask_base -
+ d->chip->mask_base;
+ ret = regmap_update_bits(d->map,
+ reg + unmask_offset,
+ d->mask_buf[i],
+ d->mask_buf[i]);
+ } else
ret = regmap_update_bits(map, reg,
d->mask_buf[i], d->mask_buf[i]);
if (ret != 0) {
@@ -445,7 +474,11 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
if (d->status_buf[i] && (chip->ack_base || chip->use_ack)) {
reg = chip->ack_base +
(i * map->reg_stride * d->irq_reg_stride);
- ret = regmap_write(map, reg,
+ if (chip->ack_invert)
+ ret = regmap_write(map, reg,
+ ~(d->status_buf[i] & d->mask_buf[i]));
+ else
+ ret = regmap_write(map, reg,
d->status_buf[i] & d->mask_buf[i]);
if (ret != 0) {
dev_err(map->dev, "Failed to ack 0x%x: %d\n",
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index afaf56200674..4ac63c0e50c7 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -561,6 +561,16 @@ struct regmap *__regmap_init(struct device *dev,
}
map->lock_arg = map;
}
+
+ /*
+ * When we write in fast-paths with regmap_bulk_write() don't allocate
+ * scratch buffers with sleeping allocations.
+ */
+ if ((bus && bus->fast_io) || config->fast_io)
+ map->alloc_flags = GFP_ATOMIC;
+ else
+ map->alloc_flags = GFP_KERNEL;
+
map->format.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8);
map->format.pad_bytes = config->pad_bits / 8;
map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8);
@@ -619,6 +629,7 @@ struct regmap *__regmap_init(struct device *dev,
goto skip_format_initialization;
} else {
map->reg_read = _regmap_bus_read;
+ map->reg_update_bits = bus->reg_update_bits;
}
reg_endian = regmap_get_reg_endian(bus, config);
@@ -1786,7 +1797,7 @@ out:
if (!val_count)
return -EINVAL;
- wval = kmemdup(val, val_count * val_bytes, GFP_KERNEL);
+ wval = kmemdup(val, val_count * val_bytes, map->alloc_flags);
if (!wval) {
dev_err(map->dev, "Error in memory allocation\n");
return -ENOMEM;
@@ -2509,20 +2520,26 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg,
int ret;
unsigned int tmp, orig;
- ret = _regmap_read(map, reg, &orig);
- if (ret != 0)
- return ret;
+ if (change)
+ *change = false;
- tmp = orig & ~mask;
- tmp |= val & mask;
-
- if (force_write || (tmp != orig)) {
- ret = _regmap_write(map, reg, tmp);
- if (change)
+ if (regmap_volatile(map, reg) && map->reg_update_bits) {
+ ret = map->reg_update_bits(map->bus_context, reg, mask, val);
+ if (ret == 0 && change)
*change = true;
} else {
- if (change)
- *change = false;
+ ret = _regmap_read(map, reg, &orig);
+ if (ret != 0)
+ return ret;
+
+ tmp = orig & ~mask;
+ tmp |= val & mask;
+
+ if (force_write || (tmp != orig)) {
+ ret = _regmap_write(map, reg, tmp);
+ if (ret == 0 && change)
+ *change = true;
+ }
}
return ret;
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 24882c18fcbe..59d8d0d14824 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -436,13 +436,8 @@ int bcma_bus_register(struct bcma_bus *bus)
}
dev = bcma_bus_get_host_dev(bus);
- /* TODO: remove check for IS_BUILTIN(CONFIG_BCMA) check when
- * of_default_bus_match_table is exported or in some other way
- * accessible. This is just a temporary workaround.
- */
- if (IS_BUILTIN(CONFIG_BCMA) && dev) {
- of_platform_populate(dev->of_node, of_default_bus_match_table,
- NULL, dev);
+ if (dev) {
+ of_platform_default_populate(dev->of_node, NULL, dev);
}
/* Cores providing flash access go before SPROM init */
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 293495a75d3d..1b87623381e2 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -60,6 +60,7 @@ struct nbd_device {
bool disconnect; /* a disconnect has been requested by user */
struct timer_list timeout_timer;
+ spinlock_t tasks_lock;
struct task_struct *task_recv;
struct task_struct *task_send;
@@ -140,21 +141,23 @@ static void sock_shutdown(struct nbd_device *nbd)
static void nbd_xmit_timeout(unsigned long arg)
{
struct nbd_device *nbd = (struct nbd_device *)arg;
- struct task_struct *task;
+ unsigned long flags;
if (list_empty(&nbd->queue_head))
return;
nbd->disconnect = true;
- task = READ_ONCE(nbd->task_recv);
- if (task)
- force_sig(SIGKILL, task);
+ spin_lock_irqsave(&nbd->tasks_lock, flags);
+
+ if (nbd->task_recv)
+ force_sig(SIGKILL, nbd->task_recv);
- task = READ_ONCE(nbd->task_send);
- if (task)
+ if (nbd->task_send)
force_sig(SIGKILL, nbd->task_send);
+ spin_unlock_irqrestore(&nbd->tasks_lock, flags);
+
dev_err(nbd_to_dev(nbd), "Connection timed out, killed receiver and sender, shutting down connection\n");
}
@@ -403,17 +406,24 @@ static int nbd_thread_recv(struct nbd_device *nbd)
{
struct request *req;
int ret;
+ unsigned long flags;
BUG_ON(nbd->magic != NBD_MAGIC);
sk_set_memalloc(nbd->sock->sk);
+ spin_lock_irqsave(&nbd->tasks_lock, flags);
nbd->task_recv = current;
+ spin_unlock_irqrestore(&nbd->tasks_lock, flags);
ret = device_create_file(disk_to_dev(nbd->disk), &pid_attr);
if (ret) {
dev_err(disk_to_dev(nbd->disk), "device_create_file failed!\n");
+
+ spin_lock_irqsave(&nbd->tasks_lock, flags);
nbd->task_recv = NULL;
+ spin_unlock_irqrestore(&nbd->tasks_lock, flags);
+
return ret;
}
@@ -429,7 +439,9 @@ static int nbd_thread_recv(struct nbd_device *nbd)
device_remove_file(disk_to_dev(nbd->disk), &pid_attr);
+ spin_lock_irqsave(&nbd->tasks_lock, flags);
nbd->task_recv = NULL;
+ spin_unlock_irqrestore(&nbd->tasks_lock, flags);
if (signal_pending(current)) {
siginfo_t info;
@@ -534,8 +546,11 @@ static int nbd_thread_send(void *data)
{
struct nbd_device *nbd = data;
struct request *req;
+ unsigned long flags;
+ spin_lock_irqsave(&nbd->tasks_lock, flags);
nbd->task_send = current;
+ spin_unlock_irqrestore(&nbd->tasks_lock, flags);
set_user_nice(current, MIN_NICE);
while (!kthread_should_stop() || !list_empty(&nbd->waiting_queue)) {
@@ -572,7 +587,15 @@ static int nbd_thread_send(void *data)
nbd_handle_req(nbd, req);
}
+ spin_lock_irqsave(&nbd->tasks_lock, flags);
nbd->task_send = NULL;
+ spin_unlock_irqrestore(&nbd->tasks_lock, flags);
+
+ /* Clear maybe pending signals */
+ if (signal_pending(current)) {
+ siginfo_t info;
+ dequeue_signal_lock(current, &current->blocked, &info);
+ }
return 0;
}
@@ -1052,6 +1075,7 @@ static int __init nbd_init(void)
nbd_dev[i].magic = NBD_MAGIC;
INIT_LIST_HEAD(&nbd_dev[i].waiting_queue);
spin_lock_init(&nbd_dev[i].queue_lock);
+ spin_lock_init(&nbd_dev[i].tasks_lock);
INIT_LIST_HEAD(&nbd_dev[i].queue_head);
mutex_init(&nbd_dev[i].tx_lock);
init_timer(&nbd_dev[i].timeout_timer);
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 6f04771f1019..ccc0c1f93daa 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -603,27 +603,31 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx,
struct nvme_iod *iod = ctx;
struct request *req = iod_get_private(iod);
struct nvme_cmd_info *cmd_rq = blk_mq_rq_to_pdu(req);
-
u16 status = le16_to_cpup(&cqe->status) >> 1;
+ bool requeue = false;
+ int error = 0;
if (unlikely(status)) {
if (!(status & NVME_SC_DNR || blk_noretry_request(req))
&& (jiffies - req->start_time) < req->timeout) {
unsigned long flags;
+ requeue = true;
blk_mq_requeue_request(req);
spin_lock_irqsave(req->q->queue_lock, flags);
if (!blk_queue_stopped(req->q))
blk_mq_kick_requeue_list(req->q);
spin_unlock_irqrestore(req->q->queue_lock, flags);
- return;
+ goto release_iod;
}
if (req->cmd_type == REQ_TYPE_DRV_PRIV) {
if (cmd_rq->ctx == CMD_CTX_CANCELLED)
- status = -EINTR;
+ error = -EINTR;
+ else
+ error = status;
} else {
- status = nvme_error_status(status);
+ error = nvme_error_status(status);
}
}
@@ -635,8 +639,9 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx,
if (cmd_rq->aborted)
dev_warn(nvmeq->dev->dev,
"completing aborted command with status:%04x\n",
- status);
+ error);
+release_iod:
if (iod->nents) {
dma_unmap_sg(nvmeq->dev->dev, iod->sg, iod->nents,
rq_data_dir(req) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
@@ -649,7 +654,8 @@ static void req_completion(struct nvme_queue *nvmeq, void *ctx,
}
nvme_free_iod(nvmeq->dev, iod);
- blk_mq_complete_request(req, status);
+ if (likely(!requeue))
+ blk_mq_complete_request(req, error);
}
/* length is in bytes. gfp flags indicates whether we may sleep. */
@@ -1804,7 +1810,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
length = (io.nblocks + 1) << ns->lba_shift;
meta_len = (io.nblocks + 1) * ns->ms;
- metadata = (void __user *)(unsigned long)io.metadata;
+ metadata = (void __user *)(uintptr_t)io.metadata;
write = io.opcode & 1;
if (ns->ext) {
@@ -1844,7 +1850,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
c.rw.metadata = cpu_to_le64(meta_dma);
status = __nvme_submit_sync_cmd(ns->queue, &c, NULL,
- (void __user *)io.addr, length, NULL, 0);
+ (void __user *)(uintptr_t)io.addr, length, NULL, 0);
unmap:
if (meta) {
if (status == NVME_SC_SUCCESS && !write) {
@@ -1886,7 +1892,7 @@ static int nvme_user_cmd(struct nvme_dev *dev, struct nvme_ns *ns,
timeout = msecs_to_jiffies(cmd.timeout_ms);
status = __nvme_submit_sync_cmd(ns ? ns->queue : dev->admin_q, &c,
- NULL, (void __user *)cmd.addr, cmd.data_len,
+ NULL, (void __user *)(uintptr_t)cmd.addr, cmd.data_len,
&cmd.result, timeout);
if (status >= 0) {
if (put_user(cmd.result, &ucmd->result))
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index f5e49b639818..128e7df5b807 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -96,6 +96,8 @@ static int atomic_dec_return_safe(atomic_t *v)
#define RBD_MINORS_PER_MAJOR 256
#define RBD_SINGLE_MAJOR_PART_SHIFT 4
+#define RBD_MAX_PARENT_CHAIN_LEN 16
+
#define RBD_SNAP_DEV_NAME_PREFIX "snap_"
#define RBD_MAX_SNAP_NAME_LEN \
(NAME_MAX - (sizeof (RBD_SNAP_DEV_NAME_PREFIX) - 1))
@@ -426,7 +428,7 @@ static ssize_t rbd_add_single_major(struct bus_type *bus, const char *buf,
size_t count);
static ssize_t rbd_remove_single_major(struct bus_type *bus, const char *buf,
size_t count);
-static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping);
+static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth);
static void rbd_spec_put(struct rbd_spec *spec);
static int rbd_dev_id_to_minor(int dev_id)
@@ -3778,6 +3780,9 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
blk_queue_max_discard_sectors(q, segment_size / SECTOR_SIZE);
q->limits.discard_zeroes_data = 1;
+ if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC))
+ q->backing_dev_info.capabilities |= BDI_CAP_STABLE_WRITES;
+
disk->queue = q;
q->queuedata = rbd_dev;
@@ -5131,44 +5136,51 @@ out_err:
return ret;
}
-static int rbd_dev_probe_parent(struct rbd_device *rbd_dev)
+/*
+ * @depth is rbd_dev_image_probe() -> rbd_dev_probe_parent() ->
+ * rbd_dev_image_probe() recursion depth, which means it's also the
+ * length of the already discovered part of the parent chain.
+ */
+static int rbd_dev_probe_parent(struct rbd_device *rbd_dev, int depth)
{
struct rbd_device *parent = NULL;
- struct rbd_spec *parent_spec;
- struct rbd_client *rbdc;
int ret;
if (!rbd_dev->parent_spec)
return 0;
- /*
- * We need to pass a reference to the client and the parent
- * spec when creating the parent rbd_dev. Images related by
- * parent/child relationships always share both.
- */
- parent_spec = rbd_spec_get(rbd_dev->parent_spec);
- rbdc = __rbd_get_client(rbd_dev->rbd_client);
- ret = -ENOMEM;
- parent = rbd_dev_create(rbdc, parent_spec, NULL);
- if (!parent)
+ if (++depth > RBD_MAX_PARENT_CHAIN_LEN) {
+ pr_info("parent chain is too long (%d)\n", depth);
+ ret = -EINVAL;
goto out_err;
+ }
- ret = rbd_dev_image_probe(parent, false);
+ parent = rbd_dev_create(rbd_dev->rbd_client, rbd_dev->parent_spec,
+ NULL);
+ if (!parent) {
+ ret = -ENOMEM;
+ goto out_err;
+ }
+
+ /*
+ * Images related by parent/child relationships always share
+ * rbd_client and spec/parent_spec, so bump their refcounts.
+ */
+ __rbd_get_client(rbd_dev->rbd_client);
+ rbd_spec_get(rbd_dev->parent_spec);
+
+ ret = rbd_dev_image_probe(parent, depth);
if (ret < 0)
goto out_err;
+
rbd_dev->parent = parent;
atomic_set(&rbd_dev->parent_ref, 1);
-
return 0;
+
out_err:
- if (parent) {
- rbd_dev_unparent(rbd_dev);
+ rbd_dev_unparent(rbd_dev);
+ if (parent)
rbd_dev_destroy(parent);
- } else {
- rbd_put_client(rbdc);
- rbd_spec_put(parent_spec);
- }
-
return ret;
}
@@ -5286,7 +5298,7 @@ static void rbd_dev_image_release(struct rbd_device *rbd_dev)
* parent), initiate a watch on its header object before using that
* object to get detailed information about the rbd image.
*/
-static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
+static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
{
int ret;
@@ -5304,7 +5316,7 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
if (ret)
goto err_out_format;
- if (mapping) {
+ if (!depth) {
ret = rbd_dev_header_watch_sync(rbd_dev);
if (ret) {
if (ret == -ENOENT)
@@ -5325,7 +5337,7 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
* Otherwise this is a parent image, identified by pool, image
* and snap ids - need to fill in names for those ids.
*/
- if (mapping)
+ if (!depth)
ret = rbd_spec_fill_snap_id(rbd_dev);
else
ret = rbd_spec_fill_names(rbd_dev);
@@ -5347,12 +5359,12 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
* Need to warn users if this image is the one being
* mapped and has a parent.
*/
- if (mapping && rbd_dev->parent_spec)
+ if (!depth && rbd_dev->parent_spec)
rbd_warn(rbd_dev,
"WARNING: kernel layering is EXPERIMENTAL!");
}
- ret = rbd_dev_probe_parent(rbd_dev);
+ ret = rbd_dev_probe_parent(rbd_dev, depth);
if (ret)
goto err_out_probe;
@@ -5363,7 +5375,7 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, bool mapping)
err_out_probe:
rbd_dev_unprobe(rbd_dev);
err_out_watch:
- if (mapping)
+ if (!depth)
rbd_dev_header_unwatch_sync(rbd_dev);
out_header_name:
kfree(rbd_dev->header_name);
@@ -5426,7 +5438,7 @@ static ssize_t do_rbd_add(struct bus_type *bus,
spec = NULL; /* rbd_dev now owns this */
rbd_opts = NULL; /* rbd_dev now owns this */
- rc = rbd_dev_image_probe(rbd_dev, true);
+ rc = rbd_dev_image_probe(rbd_dev, 0);
if (rc < 0)
goto err_out_rbd_dev;
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 611170896b8c..a69c02dadec0 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1956,7 +1956,8 @@ static void blkback_changed(struct xenbus_device *dev,
break;
/* Missed the backend's Closing state -- fallthrough */
case XenbusStateClosing:
- blkfront_closing(info);
+ if (info)
+ blkfront_closing(info);
break;
}
}
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 0bd88c942a52..ec6af1595062 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -4,6 +4,7 @@ menu "Bluetooth device drivers"
config BT_INTEL
tristate
+ select REGMAP
config BT_BCM
tristate
@@ -182,7 +183,8 @@ config BT_HCIBCM203X
config BT_HCIBPA10X
tristate "HCI BPA10x USB driver"
- depends on USB
+ depends on USB && BT_HCIUART
+ select BT_HCIUART_H4
help
Bluetooth HCI BPA10x USB driver.
This driver provides support for the Digianswer BPA 100/105 Bluetooth
@@ -275,7 +277,7 @@ config BT_MRVL
The core driver to support Marvell Bluetooth devices.
This driver is required if you want to support
- Marvell Bluetooth devices, such as 8688/8787/8797/8887/8897.
+ Marvell Bluetooth devices, such as 8688/8787/8797/8887/8897/8997.
Say Y here to compile Marvell Bluetooth driver
into the kernel or say M to compile it as module.
@@ -289,7 +291,7 @@ config BT_MRVL_SDIO
The driver for Marvell Bluetooth chipsets with SDIO interface.
This driver is required if you want to use Marvell Bluetooth
- devices with SDIO interface. Currently SD8688/SD8787/SD8797/SD8887/SD8897
+ devices with SDIO interface. Currently SD8688/SD8787/SD8797/SD8887/SD8897/SD8997
chipsets are supported.
Say Y here to compile support for Marvell BT-over-SDIO driver
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index e527a3e13939..fa893c3ec408 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -93,6 +93,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x300f) },
{ USB_DEVICE(0x04CA, 0x3010) },
{ USB_DEVICE(0x0930, 0x0219) },
+ { USB_DEVICE(0x0930, 0x021c) },
{ USB_DEVICE(0x0930, 0x0220) },
{ USB_DEVICE(0x0930, 0x0227) },
{ USB_DEVICE(0x0b05, 0x17d0) },
@@ -104,6 +105,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0CF3, 0x311F) },
{ USB_DEVICE(0x0cf3, 0x3121) },
{ USB_DEVICE(0x0CF3, 0x817a) },
+ { USB_DEVICE(0x0CF3, 0x817b) },
{ USB_DEVICE(0x0cf3, 0xe003) },
{ USB_DEVICE(0x0CF3, 0xE004) },
{ USB_DEVICE(0x0CF3, 0xE005) },
@@ -153,6 +155,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
@@ -164,6 +167,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index a5c4d0584389..616ec2ac1b22 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -422,17 +422,12 @@ static int bfusb_open(struct hci_dev *hdev)
BT_DBG("hdev %p bfusb %p", hdev, data);
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
write_lock_irqsave(&data->lock, flags);
err = bfusb_rx_submit(data, NULL);
if (!err) {
for (i = 1; i < BFUSB_MAX_BULK_RX; i++)
bfusb_rx_submit(data, NULL);
- } else {
- clear_bit(HCI_RUNNING, &hdev->flags);
}
write_unlock_irqrestore(&data->lock, flags);
@@ -458,9 +453,6 @@ static int bfusb_close(struct hci_dev *hdev)
BT_DBG("hdev %p bfusb %p", hdev, data);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
write_lock_irqsave(&data->lock, flags);
write_unlock_irqrestore(&data->lock, flags);
@@ -479,9 +471,6 @@ static int bfusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, bt_cb(skb)->pkt_type, skb->len);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index 35e63aaa6f80..36fa1c958c74 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -390,7 +390,7 @@ static void bluecard_receive(struct bluecard_info *info,
for (i = 0; i < len; i++) {
/* Allocate packet */
- if (info->rx_skb == NULL) {
+ if (!info->rx_skb) {
info->rx_state = RECV_WAIT_PACKET_TYPE;
info->rx_count = 0;
info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
@@ -628,9 +628,6 @@ static int bluecard_hci_open(struct hci_dev *hdev)
if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state)))
bluecard_hci_set_baud_rate(hdev, DEFAULT_BAUD_RATE);
- if (test_and_set_bit(HCI_RUNNING, &(hdev->flags)))
- return 0;
-
if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) {
unsigned int iobase = info->p_dev->resource[0]->start;
@@ -646,9 +643,6 @@ static int bluecard_hci_close(struct hci_dev *hdev)
{
struct bluecard_info *info = hci_get_drvdata(hdev);
- if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
- return 0;
-
bluecard_hci_flush(hdev);
if (test_bit(CARD_HAS_PCCARD_ID, &(info->hw_state))) {
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 8a319913c9a9..49c397e21b39 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -35,7 +35,9 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-#define VERSION "0.10"
+#include "hci_uart.h"
+
+#define VERSION "0.11"
static const struct usb_device_id bpa10x_table[] = {
/* Tektronix BPA 100/105 (Digianswer) */
@@ -56,112 +58,6 @@ struct bpa10x_data {
struct sk_buff *rx_skb[2];
};
-#define HCI_VENDOR_HDR_SIZE 5
-
-struct hci_vendor_hdr {
- __u8 type;
- __le16 snum;
- __le16 dlen;
-} __packed;
-
-static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
-{
- struct bpa10x_data *data = hci_get_drvdata(hdev);
-
- BT_DBG("%s queue %d buffer %p count %d", hdev->name,
- queue, buf, count);
-
- if (queue < 0 || queue > 1)
- return -EILSEQ;
-
- hdev->stat.byte_rx += count;
-
- while (count) {
- struct sk_buff *skb = data->rx_skb[queue];
- struct { __u8 type; int expect; } *scb;
- int type, len = 0;
-
- if (!skb) {
- /* Start of the frame */
-
- type = *((__u8 *) buf);
- count--; buf++;
-
- switch (type) {
- case HCI_EVENT_PKT:
- if (count >= HCI_EVENT_HDR_SIZE) {
- struct hci_event_hdr *h = buf;
- len = HCI_EVENT_HDR_SIZE + h->plen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_ACLDATA_PKT:
- if (count >= HCI_ACL_HDR_SIZE) {
- struct hci_acl_hdr *h = buf;
- len = HCI_ACL_HDR_SIZE +
- __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
-
- case HCI_SCODATA_PKT:
- if (count >= HCI_SCO_HDR_SIZE) {
- struct hci_sco_hdr *h = buf;
- len = HCI_SCO_HDR_SIZE + h->dlen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_VENDOR_PKT:
- if (count >= HCI_VENDOR_HDR_SIZE) {
- struct hci_vendor_hdr *h = buf;
- len = HCI_VENDOR_HDR_SIZE +
- __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
- }
-
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for packet", hdev->name);
- return -ENOMEM;
- }
-
- data->rx_skb[queue] = skb;
-
- scb = (void *) skb->cb;
- scb->type = type;
- scb->expect = len;
- } else {
- /* Continuation */
-
- scb = (void *) skb->cb;
- len = scb->expect;
- }
-
- len = min(len, count);
-
- memcpy(skb_put(skb, len), buf, len);
-
- scb->expect -= len;
-
- if (scb->expect == 0) {
- /* Complete frame */
-
- data->rx_skb[queue] = NULL;
-
- bt_cb(skb)->pkt_type = scb->type;
- hci_recv_frame(hdev, skb);
- }
-
- count -= len; buf += len;
- }
-
- return 0;
-}
-
static void bpa10x_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
@@ -184,6 +80,22 @@ done:
kfree_skb(skb);
}
+#define HCI_VENDOR_HDR_SIZE 5
+
+#define HCI_RECV_VENDOR \
+ .type = HCI_VENDOR_PKT, \
+ .hlen = HCI_VENDOR_HDR_SIZE, \
+ .loff = 3, \
+ .lsize = 2, \
+ .maxlen = HCI_MAX_FRAME_SIZE
+
+static const struct h4_recv_pkt bpa10x_recv_pkts[] = {
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = hci_recv_frame },
+ { HCI_RECV_VENDOR, .recv = hci_recv_diag },
+};
+
static void bpa10x_rx_complete(struct urb *urb)
{
struct hci_dev *hdev = urb->context;
@@ -197,11 +109,17 @@ static void bpa10x_rx_complete(struct urb *urb)
return;
if (urb->status == 0) {
- if (bpa10x_recv(hdev, usb_pipebulk(urb->pipe),
+ bool idx = usb_pipebulk(urb->pipe);
+
+ data->rx_skb[idx] = h4_recv_buf(hdev, data->rx_skb[idx],
urb->transfer_buffer,
- urb->actual_length) < 0) {
+ urb->actual_length,
+ bpa10x_recv_pkts,
+ ARRAY_SIZE(bpa10x_recv_pkts));
+ if (IS_ERR(data->rx_skb[idx])) {
BT_ERR("%s corrupted event packet", hdev->name);
hdev->stat.err_rx++;
+ data->rx_skb[idx] = NULL;
}
}
@@ -304,9 +222,6 @@ static int bpa10x_open(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
err = bpa10x_submit_intr_urb(hdev);
if (err < 0)
goto error;
@@ -320,8 +235,6 @@ static int bpa10x_open(struct hci_dev *hdev)
error:
usb_kill_anchored_urbs(&data->rx_anchor);
- clear_bit(HCI_RUNNING, &hdev->flags);
-
return err;
}
@@ -331,9 +244,6 @@ static int bpa10x_close(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
usb_kill_anchored_urbs(&data->rx_anchor);
return 0;
@@ -350,6 +260,24 @@ static int bpa10x_flush(struct hci_dev *hdev)
return 0;
}
+static int bpa10x_setup(struct hci_dev *hdev)
+{
+ const u8 req[] = { 0x07 };
+ struct sk_buff *skb;
+
+ BT_DBG("%s", hdev->name);
+
+ /* Read revision string */
+ skb = __hci_cmd_sync(hdev, 0xfc0e, sizeof(req), req, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
+
+ kfree_skb(skb);
+ return 0;
+}
+
static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
struct bpa10x_data *data = hci_get_drvdata(hdev);
@@ -360,9 +288,6 @@ static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s", hdev->name);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
skb->dev = (void *) hdev;
urb = usb_alloc_urb(0, GFP_ATOMIC);
@@ -431,6 +356,25 @@ static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
return 0;
}
+static int bpa10x_set_diag(struct hci_dev *hdev, bool enable)
+{
+ const u8 req[] = { 0x00, enable };
+ struct sk_buff *skb;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -ENETDOWN;
+
+ /* Enable sniffer operation */
+ skb = __hci_cmd_sync(hdev, 0xfc0e, sizeof(req), req, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ kfree_skb(skb);
+ return 0;
+}
+
static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct bpa10x_data *data;
@@ -465,7 +409,9 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
hdev->open = bpa10x_open;
hdev->close = bpa10x_close;
hdev->flush = bpa10x_flush;
+ hdev->setup = bpa10x_setup;
hdev->send = bpa10x_send_frame;
+ hdev->set_diag = bpa10x_set_diag;
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index a00bb82eb7c6..5803aaed958f 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -233,7 +233,7 @@ static void bt3c_receive(struct bt3c_info *info)
info->hdev->stat.byte_rx++;
/* Allocate packet */
- if (info->rx_skb == NULL) {
+ if (!info->rx_skb) {
info->rx_state = RECV_WAIT_PACKET_TYPE;
info->rx_count = 0;
info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
@@ -270,7 +270,6 @@ static void bt3c_receive(struct bt3c_info *info)
/* Unknown packet */
BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
info->hdev->stat.err_rx++;
- clear_bit(HCI_RUNNING, &(info->hdev->flags));
kfree_skb(info->rx_skb);
info->rx_skb = NULL;
@@ -395,17 +394,12 @@ static int bt3c_hci_flush(struct hci_dev *hdev)
static int bt3c_hci_open(struct hci_dev *hdev)
{
- set_bit(HCI_RUNNING, &(hdev->flags));
-
return 0;
}
static int bt3c_hci_close(struct hci_dev *hdev)
{
- if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
- return 0;
-
bt3c_hci_flush(hdev);
return 0;
@@ -453,7 +447,8 @@ static int bt3c_load_firmware(struct bt3c_info *info,
{
char *ptr = (char *) firmware;
char b[9];
- unsigned int iobase, size, addr, fcs, tmp;
+ unsigned int iobase, tmp;
+ unsigned long size, addr, fcs;
int i, err = 0;
iobase = info->p_dev->resource[0]->start;
@@ -478,15 +473,18 @@ static int bt3c_load_firmware(struct bt3c_info *info,
memset(b, 0, sizeof(b));
memcpy(b, ptr + 2, 2);
- size = simple_strtoul(b, NULL, 16);
+ if (kstrtoul(b, 16, &size) < 0)
+ return -EINVAL;
memset(b, 0, sizeof(b));
memcpy(b, ptr + 4, 8);
- addr = simple_strtoul(b, NULL, 16);
+ if (kstrtoul(b, 16, &addr) < 0)
+ return -EINVAL;
memset(b, 0, sizeof(b));
memcpy(b, ptr + (size * 2) + 2, 2);
- fcs = simple_strtoul(b, NULL, 16);
+ if (kstrtoul(b, 16, &fcs) < 0)
+ return -EINVAL;
memset(b, 0, sizeof(b));
for (tmp = 0, i = 0; i < size; i++) {
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 02ed816a18f9..0b697946e9bc 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -181,6 +181,27 @@ static int btbcm_reset(struct hci_dev *hdev)
return 0;
}
+static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ BT_ERR("%s: BCM: Reading local name failed (%ld)",
+ hdev->name, PTR_ERR(skb));
+ return skb;
+ }
+
+ if (skb->len != sizeof(struct hci_rp_read_local_name)) {
+ BT_ERR("%s: BCM: Local name length mismatch", hdev->name);
+ kfree_skb(skb);
+ return ERR_PTR(-EIO);
+ }
+
+ return skb;
+}
+
static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev)
{
struct sk_buff *skb;
@@ -302,7 +323,7 @@ int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len)
}
BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
- hw_name ? : "BCM", (subver & 0x7000) >> 13,
+ hw_name ? : "BCM", (subver & 0xe000) >> 13,
(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
return 0;
@@ -332,7 +353,7 @@ int btbcm_finalize(struct hci_dev *hdev)
kfree_skb(skb);
BT_INFO("%s: BCM (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
- (subver & 0x7000) >> 13, (subver & 0x1f00) >> 8,
+ (subver & 0xe000) >> 13, (subver & 0x1f00) >> 8,
(subver & 0x00ff), rev & 0x0fff);
btbcm_check_bdaddr(hdev);
@@ -393,6 +414,14 @@ int btbcm_setup_patchram(struct hci_dev *hdev)
BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]);
kfree_skb(skb);
+ /* Read Local Name */
+ skb = btbcm_read_local_name(hdev);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
+ kfree_skb(skb);
+
switch ((rev & 0xf000) >> 12) {
case 0:
case 3:
@@ -432,7 +461,7 @@ int btbcm_setup_patchram(struct hci_dev *hdev)
}
BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
- hw_name ? : "BCM", (subver & 0x7000) >> 13,
+ hw_name ? : "BCM", (subver & 0xe000) >> 13,
(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
err = request_firmware(&fw, fw_name, &hdev->dev);
@@ -461,9 +490,17 @@ int btbcm_setup_patchram(struct hci_dev *hdev)
kfree_skb(skb);
BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name,
- hw_name ? : "BCM", (subver & 0x7000) >> 13,
+ hw_name ? : "BCM", (subver & 0xe000) >> 13,
(subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
+ /* Read Local Name */
+ skb = btbcm_read_local_name(hdev);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
+ kfree_skb(skb);
+
btbcm_check_bdaddr(hdev);
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
@@ -475,12 +512,34 @@ EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
int btbcm_setup_apple(struct hci_dev *hdev)
{
struct sk_buff *skb;
+ int err;
+
+ /* Reset */
+ err = btbcm_reset(hdev);
+ if (err)
+ return err;
/* Read Verbose Config Version Info */
skb = btbcm_read_verbose_config(hdev);
if (!IS_ERR(skb)) {
- BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1],
- get_unaligned_le16(skb->data + 5));
+ BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name,
+ skb->data[1], get_unaligned_le16(skb->data + 5));
+ kfree_skb(skb);
+ }
+
+ /* Read USB Product Info */
+ skb = btbcm_read_usb_product(hdev);
+ if (!IS_ERR(skb)) {
+ BT_INFO("%s: BCM: product %4.4x:%4.4x", hdev->name,
+ get_unaligned_le16(skb->data + 1),
+ get_unaligned_le16(skb->data + 3));
+ kfree_skb(skb);
+ }
+
+ /* Read Local Name */
+ skb = btbcm_read_local_name(hdev);
+ if (!IS_ERR(skb)) {
+ BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
kfree_skb(skb);
}
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 048423fd83bf..1f13e617bf56 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -22,6 +22,8 @@
*/
#include <linux/module.h>
+#include <linux/firmware.h>
+#include <linux/regmap.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -89,6 +91,75 @@ int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
}
EXPORT_SYMBOL_GPL(btintel_set_bdaddr);
+int btintel_set_diag(struct hci_dev *hdev, bool enable)
+{
+ struct sk_buff *skb;
+ u8 param[3];
+ int err;
+
+ if (enable) {
+ param[0] = 0x03;
+ param[1] = 0x03;
+ param[2] = 0x03;
+ } else {
+ param[0] = 0x00;
+ param[1] = 0x00;
+ param[2] = 0x00;
+ }
+
+ skb = __hci_cmd_sync(hdev, 0xfc43, 3, param, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ if (err == -ENODATA)
+ goto done;
+ BT_ERR("%s: Changing Intel diagnostic mode failed (%d)",
+ hdev->name, err);
+ return err;
+ }
+ kfree_skb(skb);
+
+done:
+ btintel_set_event_mask(hdev, enable);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_set_diag);
+
+int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
+{
+ struct sk_buff *skb;
+ u8 param[2];
+ int err;
+
+ param[0] = 0x01;
+ param[1] = 0x00;
+
+ skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: Entering Intel manufacturer mode failed (%d)",
+ hdev->name, err);
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ err = btintel_set_diag(hdev, enable);
+
+ param[0] = 0x00;
+ param[1] = 0x00;
+
+ skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: Leaving Intel manufacturer mode failed (%d)",
+ hdev->name, err);
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(btintel_set_diag_mfg);
+
void btintel_hw_error(struct hci_dev *hdev, u8 code)
{
struct sk_buff *skb;
@@ -169,6 +240,304 @@ int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
}
EXPORT_SYMBOL_GPL(btintel_secure_send);
+int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name)
+{
+ const struct firmware *fw;
+ struct sk_buff *skb;
+ const u8 *fw_ptr;
+ int err;
+
+ err = request_firmware_direct(&fw, ddc_name, &hdev->dev);
+ if (err < 0) {
+ bt_dev_err(hdev, "Failed to load Intel DDC file %s (%d)",
+ ddc_name, err);
+ return err;
+ }
+
+ bt_dev_info(hdev, "Found Intel DDC parameters: %s", ddc_name);
+
+ fw_ptr = fw->data;
+
+ /* DDC file contains one or more DDC structure which has
+ * Length (1 byte), DDC ID (2 bytes), and DDC value (Length - 2).
+ */
+ while (fw->size > fw_ptr - fw->data) {
+ u8 cmd_plen = fw_ptr[0] + sizeof(u8);
+
+ skb = __hci_cmd_sync(hdev, 0xfc8b, cmd_plen, fw_ptr,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Failed to send Intel_Write_DDC (%ld)",
+ PTR_ERR(skb));
+ release_firmware(fw);
+ return PTR_ERR(skb);
+ }
+
+ fw_ptr += cmd_plen;
+ kfree_skb(skb);
+ }
+
+ release_firmware(fw);
+
+ bt_dev_info(hdev, "Applying Intel DDC parameters completed");
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_load_ddc_config);
+
+int btintel_set_event_mask(struct hci_dev *hdev, bool debug)
+{
+ u8 mask[8] = { 0x87, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ struct sk_buff *skb;
+ int err;
+
+ if (debug)
+ mask[1] |= 0x62;
+
+ skb = __hci_cmd_sync(hdev, 0xfc52, 8, mask, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: Setting Intel event mask failed (%d)",
+ hdev->name, err);
+ return err;
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btintel_set_event_mask);
+
+int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
+{
+ struct sk_buff *skb;
+ u8 param[2];
+ int err;
+
+ param[0] = 0x01;
+ param[1] = 0x00;
+
+ skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: Entering Intel manufacturer mode failed (%d)",
+ hdev->name, err);
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ err = btintel_set_event_mask(hdev, debug);
+
+ param[0] = 0x00;
+ param[1] = 0x00;
+
+ skb = __hci_cmd_sync(hdev, 0xfc11, 2, param, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ BT_ERR("%s: Leaving Intel manufacturer mode failed (%d)",
+ hdev->name, err);
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(btintel_set_event_mask_mfg);
+
+/* ------- REGMAP IBT SUPPORT ------- */
+
+#define IBT_REG_MODE_8BIT 0x00
+#define IBT_REG_MODE_16BIT 0x01
+#define IBT_REG_MODE_32BIT 0x02
+
+struct regmap_ibt_context {
+ struct hci_dev *hdev;
+ __u16 op_write;
+ __u16 op_read;
+};
+
+struct ibt_cp_reg_access {
+ __le32 addr;
+ __u8 mode;
+ __u8 len;
+ __u8 data[0];
+} __packed;
+
+struct ibt_rp_reg_access {
+ __u8 status;
+ __le32 addr;
+ __u8 data[0];
+} __packed;
+
+static int regmap_ibt_read(void *context, const void *addr, size_t reg_size,
+ void *val, size_t val_size)
+{
+ struct regmap_ibt_context *ctx = context;
+ struct ibt_cp_reg_access cp;
+ struct ibt_rp_reg_access *rp;
+ struct sk_buff *skb;
+ int err = 0;
+
+ if (reg_size != sizeof(__le32))
+ return -EINVAL;
+
+ switch (val_size) {
+ case 1:
+ cp.mode = IBT_REG_MODE_8BIT;
+ break;
+ case 2:
+ cp.mode = IBT_REG_MODE_16BIT;
+ break;
+ case 4:
+ cp.mode = IBT_REG_MODE_32BIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* regmap provides a little-endian formatted addr */
+ cp.addr = *(__le32 *)addr;
+ cp.len = val_size;
+
+ bt_dev_dbg(ctx->hdev, "Register (0x%x) read", le32_to_cpu(cp.addr));
+
+ skb = hci_cmd_sync(ctx->hdev, ctx->op_read, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(ctx->hdev, "regmap: Register (0x%x) read error (%d)",
+ le32_to_cpu(cp.addr), err);
+ return err;
+ }
+
+ if (skb->len != sizeof(*rp) + val_size) {
+ bt_dev_err(ctx->hdev, "regmap: Register (0x%x) read error, bad len",
+ le32_to_cpu(cp.addr));
+ err = -EINVAL;
+ goto done;
+ }
+
+ rp = (struct ibt_rp_reg_access *)skb->data;
+
+ if (rp->addr != cp.addr) {
+ bt_dev_err(ctx->hdev, "regmap: Register (0x%x) read error, bad addr",
+ le32_to_cpu(rp->addr));
+ err = -EINVAL;
+ goto done;
+ }
+
+ memcpy(val, rp->data, val_size);
+
+done:
+ kfree_skb(skb);
+ return err;
+}
+
+static int regmap_ibt_gather_write(void *context,
+ const void *addr, size_t reg_size,
+ const void *val, size_t val_size)
+{
+ struct regmap_ibt_context *ctx = context;
+ struct ibt_cp_reg_access *cp;
+ struct sk_buff *skb;
+ int plen = sizeof(*cp) + val_size;
+ u8 mode;
+ int err = 0;
+
+ if (reg_size != sizeof(__le32))
+ return -EINVAL;
+
+ switch (val_size) {
+ case 1:
+ mode = IBT_REG_MODE_8BIT;
+ break;
+ case 2:
+ mode = IBT_REG_MODE_16BIT;
+ break;
+ case 4:
+ mode = IBT_REG_MODE_32BIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ cp = kmalloc(plen, GFP_KERNEL);
+ if (!cp)
+ return -ENOMEM;
+
+ /* regmap provides a little-endian formatted addr/value */
+ cp->addr = *(__le32 *)addr;
+ cp->mode = mode;
+ cp->len = val_size;
+ memcpy(&cp->data, val, val_size);
+
+ bt_dev_dbg(ctx->hdev, "Register (0x%x) write", le32_to_cpu(cp->addr));
+
+ skb = hci_cmd_sync(ctx->hdev, ctx->op_write, plen, cp, HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(ctx->hdev, "regmap: Register (0x%x) write error (%d)",
+ le32_to_cpu(cp->addr), err);
+ goto done;
+ }
+ kfree_skb(skb);
+
+done:
+ kfree(cp);
+ return err;
+}
+
+static int regmap_ibt_write(void *context, const void *data, size_t count)
+{
+ /* data contains register+value, since we only support 32bit addr,
+ * minimum data size is 4 bytes.
+ */
+ if (WARN_ONCE(count < 4, "Invalid register access"))
+ return -EINVAL;
+
+ return regmap_ibt_gather_write(context, data, 4, data + 4, count - 4);
+}
+
+static void regmap_ibt_free_context(void *context)
+{
+ kfree(context);
+}
+
+static struct regmap_bus regmap_ibt = {
+ .read = regmap_ibt_read,
+ .write = regmap_ibt_write,
+ .gather_write = regmap_ibt_gather_write,
+ .free_context = regmap_ibt_free_context,
+ .reg_format_endian_default = REGMAP_ENDIAN_LITTLE,
+ .val_format_endian_default = REGMAP_ENDIAN_LITTLE,
+};
+
+/* Config is the same for all register regions */
+static const struct regmap_config regmap_ibt_cfg = {
+ .name = "btintel_regmap",
+ .reg_bits = 32,
+ .val_bits = 32,
+};
+
+struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
+ u16 opcode_write)
+{
+ struct regmap_ibt_context *ctx;
+
+ bt_dev_info(hdev, "regmap: Init R%x-W%x region", opcode_read,
+ opcode_write);
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return ERR_PTR(-ENOMEM);
+
+ ctx->op_read = opcode_read;
+ ctx->op_write = opcode_write;
+ ctx->hdev = hdev;
+
+ return regmap_init(&hdev->dev, &regmap_ibt, ctx, &regmap_ibt_cfg);
+}
+EXPORT_SYMBOL_GPL(btintel_regmap_init);
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION);
MODULE_VERSION(VERSION);
diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h
index b278d14758d5..07e58e05a7fa 100644
--- a/drivers/bluetooth/btintel.h
+++ b/drivers/bluetooth/btintel.h
@@ -73,11 +73,19 @@ struct intel_secure_send_result {
int btintel_check_bdaddr(struct hci_dev *hdev);
int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+int btintel_set_diag(struct hci_dev *hdev, bool enable);
+int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable);
void btintel_hw_error(struct hci_dev *hdev, u8 code);
void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type, u32 plen,
const void *param);
+int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
+int btintel_set_event_mask(struct hci_dev *hdev, bool debug);
+int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
+
+struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
+ u16 opcode_write);
#else
@@ -91,11 +99,22 @@ static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdadd
return -EOPNOTSUPP;
}
+static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int btintel_set_diag_mfg(struct hci_dev *hdev, bool enable)
+{
+ return -EOPNOTSUPP;
+}
+
static inline void btintel_hw_error(struct hci_dev *hdev, u8 code)
{
}
-static void btintel_version_info(struct hci_dev *hdev, struct intel_version *ver)
+static inline void btintel_version_info(struct hci_dev *hdev,
+ struct intel_version *ver)
{
}
@@ -105,4 +124,26 @@ static inline int btintel_secure_send(struct hci_dev *hdev, u8 fragment_type,
return -EOPNOTSUPP;
}
+static inline int btintel_load_ddc_config(struct hci_dev *hdev,
+ const char *ddc_name)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int btintel_set_event_mask(struct hci_dev *hdev, bool debug)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
+ u16 opcode_read,
+ u16 opcode_write)
+{
+ return ERR_PTR(-EINVAL);
+}
#endif
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index de05deb444ce..6af917331962 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -184,7 +184,7 @@ static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode,
}
skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC);
- if (skb == NULL) {
+ if (!skb) {
BT_ERR("No free skb");
return -ENOMEM;
}
@@ -377,20 +377,6 @@ static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb)
return -EINVAL;
}
- if (skb_headroom(skb) < BTM_HEADER_LEN) {
- struct sk_buff *tmp = skb;
-
- skb = skb_realloc_headroom(skb, BTM_HEADER_LEN);
- if (!skb) {
- BT_ERR("Tx Error: realloc_headroom failed %d",
- BTM_HEADER_LEN);
- skb = tmp;
- return -EINVAL;
- }
-
- kfree_skb(tmp);
- }
-
skb_push(skb, BTM_HEADER_LEN);
/* header type: byte[3]
@@ -450,13 +436,6 @@ static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len);
- if (!test_bit(HCI_RUNNING, &hdev->flags)) {
- BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags);
- print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET,
- skb->data, skb->len);
- return -EBUSY;
- }
-
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
@@ -491,9 +470,6 @@ static int btmrvl_close(struct hci_dev *hdev)
{
struct btmrvl_private *priv = hci_get_drvdata(hdev);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
skb_queue_purge(&priv->adapter->tx_queue);
return 0;
@@ -501,8 +477,6 @@ static int btmrvl_close(struct hci_dev *hdev)
static int btmrvl_open(struct hci_dev *hdev)
{
- set_bit(HCI_RUNNING, &hdev->flags);
-
return 0;
}
@@ -542,14 +516,17 @@ static int btmrvl_check_device_tree(struct btmrvl_private *priv)
ret = of_property_read_u8_array(dt_node, "btmrvl,cal-data",
cal_data + BT_CAL_HDR_LEN,
BT_CAL_DATA_SIZE);
- if (ret)
+ if (ret) {
+ of_node_put(dt_node);
return ret;
+ }
BT_DBG("Use cal data from device tree");
ret = btmrvl_download_cal_data(priv, cal_data,
BT_CAL_DATA_SIZE);
if (ret) {
BT_ERR("Fail to download calibrate data");
+ of_node_put(dt_node);
return ret;
}
}
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index b9978a7ba0cc..71ea2a3af293 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -146,6 +146,29 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = {
.fw_dump_end = 0xea,
};
+static const struct btmrvl_sdio_card_reg btmrvl_reg_8997 = {
+ .cfg = 0x00,
+ .host_int_mask = 0x08,
+ .host_intstatus = 0x0c,
+ .card_status = 0x5c,
+ .sq_read_base_addr_a0 = 0xf8,
+ .sq_read_base_addr_a1 = 0xf9,
+ .card_revision = 0xc8,
+ .card_fw_status0 = 0xe8,
+ .card_fw_status1 = 0xe9,
+ .card_rx_len = 0xea,
+ .card_rx_unit = 0xeb,
+ .io_port_0 = 0xe4,
+ .io_port_1 = 0xe5,
+ .io_port_2 = 0xe6,
+ .int_read_to_clear = true,
+ .host_int_rsr = 0x04,
+ .card_misc_cfg = 0xD8,
+ .fw_dump_ctrl = 0xf0,
+ .fw_dump_start = 0xf1,
+ .fw_dump_end = 0xf8,
+};
+
static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
.helper = "mrvl/sd8688_helper.bin",
.firmware = "mrvl/sd8688.bin",
@@ -191,25 +214,37 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = {
.supports_fw_dump = true,
};
+static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = {
+ .helper = NULL,
+ .firmware = "mrvl/sd8997_uapsta.bin",
+ .reg = &btmrvl_reg_8997,
+ .support_pscan_win_report = true,
+ .sd_blksz_fw_dl = 256,
+ .supports_fw_dump = true,
+};
+
static const struct sdio_device_id btmrvl_sdio_ids[] = {
/* Marvell SD8688 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105),
- .driver_data = (unsigned long) &btmrvl_sdio_sd8688 },
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8688 },
/* Marvell SD8787 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
- .driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8787 },
/* Marvell SD8787 Bluetooth AMP device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B),
- .driver_data = (unsigned long) &btmrvl_sdio_sd8787 },
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8787 },
/* Marvell SD8797 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
- .driver_data = (unsigned long) &btmrvl_sdio_sd8797 },
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8797 },
/* Marvell SD8887 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136),
.driver_data = (unsigned long)&btmrvl_sdio_sd8887 },
/* Marvell SD8897 Bluetooth device */
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E),
- .driver_data = (unsigned long) &btmrvl_sdio_sd8897 },
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8897 },
+ /* Marvell SD8997 Bluetooth device */
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142),
+ .driver_data = (unsigned long)&btmrvl_sdio_sd8997 },
{ } /* Terminating entry */
};
@@ -619,7 +654,7 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv)
/* Allocate buffer */
skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_ATOMIC);
- if (skb == NULL) {
+ if (!skb) {
BT_ERR("No free skb");
ret = -ENOMEM;
goto exit;
@@ -1278,6 +1313,12 @@ static void btmrvl_sdio_dump_firmware(struct btmrvl_private *priv)
if (memory_size == 0) {
BT_INFO("Firmware dump finished!");
+ sdio_writeb(card->func, FW_DUMP_READ_DONE,
+ card->reg->fw_dump_ctrl, &ret);
+ if (ret) {
+ BT_ERR("SDIO Write MEMDUMP_FINISH ERR");
+ goto done;
+ }
break;
}
@@ -1616,3 +1657,4 @@ MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin");
+MODULE_FIRMWARE("mrvl/sd8997_uapsta.bin");
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
index 83f6437dd91d..7b624423a7e8 100644
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -194,21 +194,15 @@ static int btsdio_open(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
sdio_claim_host(data->func);
err = sdio_enable_func(data->func);
- if (err < 0) {
- clear_bit(HCI_RUNNING, &hdev->flags);
+ if (err < 0)
goto release;
- }
err = sdio_claim_irq(data->func, btsdio_interrupt);
if (err < 0) {
sdio_disable_func(data->func);
- clear_bit(HCI_RUNNING, &hdev->flags);
goto release;
}
@@ -229,9 +223,6 @@ static int btsdio_close(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
sdio_claim_host(data->func);
sdio_writeb(data->func, 0x00, REG_EN_INTRD, NULL);
@@ -261,9 +252,6 @@ static int btsdio_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s", hdev->name);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
hdev->stat.cmd_tx++;
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index abb4d2106db4..bb8e4025fb9e 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -38,7 +38,7 @@
#include <linux/serial.h>
#include <linux/serial_reg.h>
#include <linux/bitops.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ciscode.h>
@@ -188,7 +188,7 @@ static void btuart_receive(struct btuart_info *info)
info->hdev->stat.byte_rx++;
/* Allocate packet */
- if (info->rx_skb == NULL) {
+ if (!info->rx_skb) {
info->rx_state = RECV_WAIT_PACKET_TYPE;
info->rx_count = 0;
info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
@@ -223,7 +223,6 @@ static void btuart_receive(struct btuart_info *info)
/* Unknown packet */
BT_ERR("Unknown HCI packet with type 0x%02x received", bt_cb(info->rx_skb)->pkt_type);
info->hdev->stat.err_rx++;
- clear_bit(HCI_RUNNING, &(info->hdev->flags));
kfree_skb(info->rx_skb);
info->rx_skb = NULL;
@@ -409,17 +408,12 @@ static int btuart_hci_flush(struct hci_dev *hdev)
static int btuart_hci_open(struct hci_dev *hdev)
{
- set_bit(HCI_RUNNING, &(hdev->flags));
-
return 0;
}
static int btuart_hci_close(struct hci_dev *hdev)
{
- if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
- return 0;
-
btuart_hci_flush(hdev);
return 0;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b6aceaf82aa8..e33dacf5bd98 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -60,6 +60,8 @@ static struct usb_driver btusb_driver;
#define BTUSB_QCA_ROME 0x8000
#define BTUSB_BCM_APPLE 0x10000
#define BTUSB_REALTEK 0x20000
+#define BTUSB_BCM2045 0x40000
+#define BTUSB_IFNUM_2 0x80000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -73,7 +75,7 @@ static const struct usb_device_id btusb_table[] = {
/* Apple-specific (Broadcom) devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
- .driver_info = BTUSB_BCM_APPLE },
+ .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
/* MediaTek MT76x0E */
{ USB_DEVICE(0x0e8d, 0x763f) },
@@ -124,6 +126,9 @@ static const struct usb_device_id btusb_table[] = {
/* Broadcom BCM20702B0 (Dynex/Insignia) */
{ USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
+ /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
+ { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
+
/* Foxconn - Hon Hai */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },
@@ -164,6 +169,9 @@ static const struct usb_device_id blacklist_table[] = {
/* Broadcom BCM2033 without firmware */
{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
+ /* Broadcom BCM2045 devices */
+ { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
+
/* Atheros 3011 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
@@ -195,6 +203,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
@@ -206,6 +215,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
@@ -341,12 +351,14 @@ static const struct usb_device_id blacklist_table[] = {
#define BTUSB_FIRMWARE_FAILED 8
#define BTUSB_BOOTING 9
#define BTUSB_RESET_RESUME 10
+#define BTUSB_DIAG_RUNNING 11
struct btusb_data {
struct hci_dev *hdev;
struct usb_device *udev;
struct usb_interface *intf;
struct usb_interface *isoc;
+ struct usb_interface *diag;
unsigned long flags;
@@ -361,6 +373,7 @@ struct btusb_data {
struct usb_anchor intr_anchor;
struct usb_anchor bulk_anchor;
struct usb_anchor isoc_anchor;
+ struct usb_anchor diag_anchor;
spinlock_t rxlock;
struct sk_buff *evt_skb;
@@ -372,6 +385,8 @@ struct btusb_data {
struct usb_endpoint_descriptor *bulk_rx_ep;
struct usb_endpoint_descriptor *isoc_tx_ep;
struct usb_endpoint_descriptor *isoc_rx_ep;
+ struct usb_endpoint_descriptor *diag_tx_ep;
+ struct usb_endpoint_descriptor *diag_rx_ep;
__u8 cmdreq_type;
__u8 cmdreq;
@@ -869,6 +884,92 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
return err;
}
+static void btusb_diag_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ int err;
+
+ BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
+ urb->actual_length);
+
+ if (urb->status == 0) {
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
+ if (skb) {
+ memcpy(skb_put(skb, urb->actual_length),
+ urb->transfer_buffer, urb->actual_length);
+ hci_recv_diag(hdev, skb);
+ }
+ } else if (urb->status == -ENOENT) {
+ /* Avoid suspend failed when usb_kill_urb */
+ return;
+ }
+
+ if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->diag_anchor);
+ usb_mark_last_busy(data->udev);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ /* -EPERM: urb is being killed;
+ * -ENODEV: device got disconnected */
+ if (err != -EPERM && err != -ENODEV)
+ BT_ERR("%s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size = HCI_MAX_FRAME_SIZE;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!data->diag_rx_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(0, mem_flags);
+ if (!urb)
+ return -ENOMEM;
+
+ buf = kmalloc(size, mem_flags);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
+ btusb_diag_complete, hdev);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_mark_last_busy(data->udev);
+ usb_anchor_urb(urb, &data->diag_anchor);
+
+ err = usb_submit_urb(urb, mem_flags);
+ if (err < 0) {
+ if (err != -EPERM && err != -ENODEV)
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
static void btusb_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
@@ -940,9 +1041,6 @@ static int btusb_open(struct hci_dev *hdev)
data->intf->needs_remote_wakeup = 1;
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- goto done;
-
if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
goto done;
@@ -959,13 +1057,17 @@ static int btusb_open(struct hci_dev *hdev)
set_bit(BTUSB_BULK_RUNNING, &data->flags);
btusb_submit_bulk_urb(hdev, GFP_KERNEL);
+ if (data->diag) {
+ if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
+ set_bit(BTUSB_DIAG_RUNNING, &data->flags);
+ }
+
done:
usb_autopm_put_interface(data->intf);
return 0;
failed:
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
- clear_bit(HCI_RUNNING, &hdev->flags);
usb_autopm_put_interface(data->intf);
return err;
}
@@ -975,6 +1077,7 @@ static void btusb_stop_traffic(struct btusb_data *data)
usb_kill_anchored_urbs(&data->intr_anchor);
usb_kill_anchored_urbs(&data->bulk_anchor);
usb_kill_anchored_urbs(&data->isoc_anchor);
+ usb_kill_anchored_urbs(&data->diag_anchor);
}
static int btusb_close(struct hci_dev *hdev)
@@ -984,15 +1087,13 @@ static int btusb_close(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
cancel_work_sync(&data->work);
cancel_work_sync(&data->waker);
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+ clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
btusb_stop_traffic(data);
btusb_free_frags(data);
@@ -1156,9 +1257,6 @@ static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s", hdev->name);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
urb = alloc_ctrl_urb(hdev, skb);
@@ -1277,6 +1375,20 @@ static void btusb_work(struct work_struct *work)
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
+ /* When isochronous alternate setting needs to be
+ * changed, because SCO connection has been added
+ * or removed, a packet fragment may be left in the
+ * reassembling state. This could lead to wrongly
+ * assembled fragments.
+ *
+ * Clear outstanding fragment when selecting a new
+ * alternate setting.
+ */
+ spin_lock(&data->rxlock);
+ kfree_skb(data->sco_skb);
+ data->sco_skb = NULL;
+ spin_unlock(&data->rxlock);
+
if (__set_isoc_interface(hdev, new_alts) < 0)
return;
}
@@ -1348,7 +1460,9 @@ static int btusb_setup_csr(struct hci_dev *hdev)
rp = (struct hci_rp_read_local_version *)skb->data;
- if (le16_to_cpu(rp->manufacturer) != 10) {
+ /* Detect controllers which aren't real CSR ones. */
+ if (le16_to_cpu(rp->manufacturer) != 10 ||
+ le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
/* Clear the reset quirk since this is not an actual
* early Bluetooth 1.1 device from CSR.
*/
@@ -1587,8 +1701,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
BT_INFO("%s: Intel device is already patched. patch num: %02x",
hdev->name, ver->fw_patch_num);
kfree_skb(skb);
- btintel_check_bdaddr(hdev);
- return 0;
+ goto complete;
}
/* Opens the firmware patch file based on the firmware version read
@@ -1600,8 +1713,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
fw = btusb_setup_intel_get_fw(hdev, ver);
if (!fw) {
kfree_skb(skb);
- btintel_check_bdaddr(hdev);
- return 0;
+ goto complete;
}
fw_ptr = fw->data;
@@ -1674,8 +1786,7 @@ static int btusb_setup_intel(struct hci_dev *hdev)
BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
hdev->name);
- btintel_check_bdaddr(hdev);
- return 0;
+ goto complete;
exit_mfg_disable:
/* Disable the manufacturer mode without reset */
@@ -1690,8 +1801,7 @@ exit_mfg_disable:
BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
- btintel_check_bdaddr(hdev);
- return 0;
+ goto complete;
exit_mfg_deactivate:
release_firmware(fw);
@@ -1711,6 +1821,12 @@ exit_mfg_deactivate:
BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
hdev->name);
+complete:
+ /* Set the event mask for Intel specific vendor events. This enables
+ * a few extra events that are useful during general operation.
+ */
+ btintel_set_event_mask_mfg(hdev, false);
+
btintel_check_bdaddr(hdev);
return 0;
}
@@ -1827,9 +1943,6 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s", hdev->name);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
@@ -2003,6 +2116,15 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
BT_INFO("%s: Secure boot is %s", hdev->name,
params->secure_boot ? "enabled" : "disabled");
+ BT_INFO("%s: OTP lock is %s", hdev->name,
+ params->otp_lock ? "enabled" : "disabled");
+
+ BT_INFO("%s: API lock is %s", hdev->name,
+ params->api_lock ? "enabled" : "disabled");
+
+ BT_INFO("%s: Debug lock is %s", hdev->name,
+ params->debug_lock ? "enabled" : "disabled");
+
BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
params->min_fw_build_nn, params->min_fw_build_cw,
2000 + params->min_fw_build_yy);
@@ -2217,36 +2339,16 @@ done:
* The device can work without DDC parameters, so even if it fails
* to load the file, no need to fail the setup.
*/
- err = request_firmware_direct(&fw, fwname, &hdev->dev);
- if (err < 0)
- return 0;
-
- BT_INFO("%s: Found Intel DDC parameters: %s", hdev->name, fwname);
-
- fw_ptr = fw->data;
+ btintel_load_ddc_config(hdev, fwname);
- /* DDC file contains one or more DDC structure which has
- * Length (1 byte), DDC ID (2 bytes), and DDC value (Length - 2).
+ /* Set the event mask for Intel specific vendor events. This enables
+ * a few extra events that are useful during general operation. It
+ * does not enable any debugging related events.
+ *
+ * The device will function correctly without these events enabled
+ * and thus no need to fail the setup.
*/
- while (fw->size > fw_ptr - fw->data) {
- u8 cmd_plen = fw_ptr[0] + sizeof(u8);
-
- skb = __hci_cmd_sync(hdev, 0xfc8b, cmd_plen, fw_ptr,
- HCI_INIT_TIMEOUT);
- if (IS_ERR(skb)) {
- BT_ERR("%s: Failed to send Intel_Write_DDC (%ld)",
- hdev->name, PTR_ERR(skb));
- release_firmware(fw);
- return PTR_ERR(skb);
- }
-
- fw_ptr += cmd_plen;
- kfree_skb(skb);
- }
-
- release_firmware(fw);
-
- BT_INFO("%s: Applying Intel DDC parameters completed", hdev->name);
+ btintel_set_event_mask(hdev, false);
return 0;
}
@@ -2573,19 +2675,115 @@ static int btusb_setup_qca(struct hci_dev *hdev)
return 0;
}
+#ifdef CONFIG_BT_HCIBTUSB_BCM
+static inline int __set_diag_interface(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct usb_interface *intf = data->diag;
+ int i;
+
+ if (!data->diag)
+ return -ENODEV;
+
+ data->diag_tx_ep = NULL;
+ data->diag_rx_ep = NULL;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ struct usb_endpoint_descriptor *ep_desc;
+
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+ data->diag_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+ data->diag_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->diag_tx_ep || !data->diag_rx_ep) {
+ BT_ERR("%s invalid diagnostic descriptors", hdev->name);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct sk_buff *skb;
+ struct urb *urb;
+ unsigned int pipe;
+
+ if (!data->diag_tx_ep)
+ return ERR_PTR(-ENODEV);
+
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return ERR_PTR(-ENOMEM);
+
+ skb = bt_skb_alloc(2, GFP_KERNEL);
+ if (!skb) {
+ usb_free_urb(urb);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ *skb_put(skb, 1) = 0xf0;
+ *skb_put(skb, 1) = enable;
+
+ pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_tx_complete, skb);
+
+ skb->dev = (void *)hdev;
+
+ return urb;
+}
+
+static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct urb *urb;
+
+ if (!data->diag)
+ return -ENODEV;
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -ENETDOWN;
+
+ urb = alloc_diag_urb(hdev, enable);
+ if (IS_ERR(urb))
+ return PTR_ERR(urb);
+
+ return submit_or_queue_tx_urb(hdev, urb);
+}
+#endif
+
static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_endpoint_descriptor *ep_desc;
struct btusb_data *data;
struct hci_dev *hdev;
+ unsigned ifnum_base;
int i, err;
BT_DBG("intf %p id %p", intf, id);
/* interface numbers are hardcoded in the spec */
- if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
- return -ENODEV;
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
+ if (!(id->driver_info & BTUSB_IFNUM_2))
+ return -ENODEV;
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
+ return -ENODEV;
+ }
+
+ ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
if (!id->driver_info) {
const struct usb_device_id *match;
@@ -2653,6 +2851,7 @@ static int btusb_probe(struct usb_interface *intf,
init_usb_anchor(&data->intr_anchor);
init_usb_anchor(&data->bulk_anchor);
init_usb_anchor(&data->isoc_anchor);
+ init_usb_anchor(&data->diag_anchor);
spin_lock_init(&data->rxlock);
if (id->driver_info & BTUSB_INTEL_NEW) {
@@ -2686,33 +2885,53 @@ static int btusb_probe(struct usb_interface *intf,
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
+ if (id->driver_info & BTUSB_BCM2045)
+ set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
+
if (id->driver_info & BTUSB_BCM92035)
hdev->setup = btusb_setup_bcm92035;
#ifdef CONFIG_BT_HCIBTUSB_BCM
if (id->driver_info & BTUSB_BCM_PATCHRAM) {
+ hdev->manufacturer = 15;
hdev->setup = btbcm_setup_patchram;
+ hdev->set_diag = btusb_bcm_set_diag;
hdev->set_bdaddr = btbcm_set_bdaddr;
+
+ /* Broadcom LM_DIAG Interface numbers are hardcoded */
+ data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
}
- if (id->driver_info & BTUSB_BCM_APPLE)
+ if (id->driver_info & BTUSB_BCM_APPLE) {
+ hdev->manufacturer = 15;
hdev->setup = btbcm_setup_apple;
+ hdev->set_diag = btusb_bcm_set_diag;
+
+ /* Broadcom LM_DIAG Interface numbers are hardcoded */
+ data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
+ }
#endif
if (id->driver_info & BTUSB_INTEL) {
+ hdev->manufacturer = 2;
hdev->setup = btusb_setup_intel;
hdev->shutdown = btusb_shutdown_intel;
+ hdev->set_diag = btintel_set_diag_mfg;
hdev->set_bdaddr = btintel_set_bdaddr;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
+ set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
}
if (id->driver_info & BTUSB_INTEL_NEW) {
+ hdev->manufacturer = 2;
hdev->send = btusb_send_frame_intel;
hdev->setup = btusb_setup_intel_new;
hdev->hw_error = btintel_hw_error;
+ hdev->set_diag = btintel_set_diag;
hdev->set_bdaddr = btintel_set_bdaddr;
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
+ set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
}
if (id->driver_info & BTUSB_MARVELL)
@@ -2723,8 +2942,10 @@ static int btusb_probe(struct usb_interface *intf,
set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
}
- if (id->driver_info & BTUSB_INTEL_BOOT)
+ if (id->driver_info & BTUSB_INTEL_BOOT) {
+ hdev->manufacturer = 2;
set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+ }
if (id->driver_info & BTUSB_ATH3012) {
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
@@ -2753,8 +2974,8 @@ static int btusb_probe(struct usb_interface *intf,
/* AMP controllers do not support SCO packets */
data->isoc = NULL;
} else {
- /* Interface numbers are hardcoded in the specification */
- data->isoc = usb_ifnum_to_if(data->udev, 1);
+ /* Interface orders are hardcoded in the specification */
+ data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
}
if (!reset)
@@ -2782,7 +3003,7 @@ static int btusb_probe(struct usb_interface *intf,
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
/* Fake CSR devices with broken commands */
- if (bcdDevice <= 0x100)
+ if (bcdDevice <= 0x100 || bcdDevice == 0x134)
hdev->setup = btusb_setup_csr;
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
@@ -2817,6 +3038,16 @@ static int btusb_probe(struct usb_interface *intf,
}
}
+#ifdef CONFIG_BT_HCIBTUSB_BCM
+ if (data->diag) {
+ if (!usb_driver_claim_interface(&btusb_driver,
+ data->diag, data))
+ __set_diag_interface(hdev);
+ else
+ data->diag = NULL;
+ }
+#endif
+
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
@@ -2844,12 +3075,25 @@ static void btusb_disconnect(struct usb_interface *intf)
if (data->isoc)
usb_set_intfdata(data->isoc, NULL);
+ if (data->diag)
+ usb_set_intfdata(data->diag, NULL);
+
hci_unregister_dev(hdev);
- if (intf == data->isoc)
+ if (intf == data->intf) {
+ if (data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->isoc);
+ if (data->diag)
+ usb_driver_release_interface(&btusb_driver, data->diag);
+ } else if (intf == data->isoc) {
+ if (data->diag)
+ usb_driver_release_interface(&btusb_driver, data->diag);
+ usb_driver_release_interface(&btusb_driver, data->intf);
+ } else if (intf == data->diag) {
usb_driver_release_interface(&btusb_driver, data->intf);
- else if (data->isoc)
- usb_driver_release_interface(&btusb_driver, data->isoc);
+ if (data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->isoc);
+ }
hci_free_dev(hdev);
}
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
index 7a722df97343..57eb935aedc7 100644
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -155,9 +155,6 @@ static int ti_st_open(struct hci_dev *hdev)
BT_DBG("%s %p", hdev->name, hdev);
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
/* provide contexts for callbacks from ST */
hst = hci_get_drvdata(hdev);
@@ -181,7 +178,6 @@ static int ti_st_open(struct hci_dev *hdev)
goto done;
if (err != -EINPROGRESS) {
- clear_bit(HCI_RUNNING, &hdev->flags);
BT_ERR("st_register failed %d", err);
return err;
}
@@ -195,7 +191,6 @@ static int ti_st_open(struct hci_dev *hdev)
(&hst->wait_reg_completion,
msecs_to_jiffies(BT_REGISTER_TIMEOUT));
if (!timeleft) {
- clear_bit(HCI_RUNNING, &hdev->flags);
BT_ERR("Timeout(%d sec),didn't get reg "
"completion signal from ST",
BT_REGISTER_TIMEOUT / 1000);
@@ -205,7 +200,6 @@ static int ti_st_open(struct hci_dev *hdev)
/* Is ST registration callback
* called with ERROR status? */
if (hst->reg_status != 0) {
- clear_bit(HCI_RUNNING, &hdev->flags);
BT_ERR("ST registration completed with invalid "
"status %d", hst->reg_status);
return -EAGAIN;
@@ -215,7 +209,6 @@ done:
hst->st_write = ti_st_proto[i].write;
if (!hst->st_write) {
BT_ERR("undefined ST write function");
- clear_bit(HCI_RUNNING, &hdev->flags);
for (i = 0; i < MAX_BT_CHNL_IDS; i++) {
/* Undo registration with ST */
err = st_unregister(&ti_st_proto[i]);
@@ -236,9 +229,6 @@ static int ti_st_close(struct hci_dev *hdev)
int err, i;
struct ti_st *hst = hci_get_drvdata(hdev);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
for (i = MAX_BT_CHNL_IDS-1; i >= 0; i--) {
err = st_unregister(&ti_st_proto[i]);
if (err)
@@ -256,9 +246,6 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
struct ti_st *hst;
long len;
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
hst = hci_get_drvdata(hdev);
/* Prepend skb with frame type */
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 84135c54ed2e..5026f66fac88 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -357,8 +357,6 @@ static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
static int dtl1_hci_open(struct hci_dev *hdev)
{
- set_bit(HCI_RUNNING, &(hdev->flags));
-
return 0;
}
@@ -376,9 +374,6 @@ static int dtl1_hci_flush(struct hci_dev *hdev)
static int dtl1_hci_close(struct hci_dev *hdev)
{
- if (!test_and_clear_bit(HCI_RUNNING, &(hdev->flags)))
- return 0;
-
dtl1_hci_flush(hdev);
return 0;
diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index 6da5e4ca13ea..d776dfd51478 100644
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -243,6 +243,7 @@ static struct sk_buff *ath_dequeue(struct hci_uart *hu)
static const struct hci_uart_proto athp = {
.id = HCI_UART_ATH3K,
.name = "ATH3K",
+ .manufacturer = 69,
.open = ath_open,
.close = ath_close,
.flush = ath_flush,
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 835bfab88ef5..cb852cc750b7 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -31,6 +31,9 @@
#include <linux/clk.h>
#include <linux/gpio/consumer.h>
#include <linux/tty.h>
+#include <linux/interrupt.h>
+#include <linux/dmi.h>
+#include <linux/pm_runtime.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -38,6 +41,11 @@
#include "btbcm.h"
#include "hci_uart.h"
+#define BCM_LM_DIAG_PKT 0x07
+#define BCM_LM_DIAG_SIZE 63
+
+#define BCM_AUTOSUSPEND_DELAY 5000 /* default autosleep delay */
+
struct bcm_device {
struct list_head list;
@@ -51,8 +59,10 @@ struct bcm_device {
bool clk_enabled;
u32 init_speed;
+ int irq;
+ u8 irq_polarity;
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
struct hci_uart *hu;
bool is_suspended; /* suspend/resume flag */
#endif
@@ -66,7 +76,7 @@ struct bcm_data {
};
/* List of BCM BT UART devices */
-static DEFINE_SPINLOCK(bcm_device_lock);
+static DEFINE_MUTEX(bcm_device_lock);
static LIST_HEAD(bcm_device_list);
static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed)
@@ -80,7 +90,7 @@ static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed)
clock.type = BCM_UART_CLOCK_48MHZ;
- BT_DBG("%s: Set Controller clock (%d)", hdev->name, clock.type);
+ bt_dev_dbg(hdev, "Set Controller clock (%d)", clock.type);
/* This Broadcom specific command changes the UART's controller
* clock for baud rate > 3000000.
@@ -88,15 +98,15 @@ static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed)
skb = __hci_cmd_sync(hdev, 0xfc45, 1, &clock, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
int err = PTR_ERR(skb);
- BT_ERR("%s: BCM: failed to write clock command (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "BCM: failed to write clock (%d)",
+ err);
return err;
}
kfree_skb(skb);
}
- BT_DBG("%s: Set Controller UART speed to %d bit/s", hdev->name, speed);
+ bt_dev_dbg(hdev, "Set Controller UART speed to %d bit/s", speed);
param.zero = cpu_to_le16(0);
param.baud_rate = cpu_to_le32(speed);
@@ -108,8 +118,8 @@ static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed)
HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
int err = PTR_ERR(skb);
- BT_ERR("%s: BCM: failed to write update baudrate command (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "BCM: failed to write update baudrate (%d)",
+ err);
return err;
}
@@ -149,12 +159,125 @@ static int bcm_gpio_set_power(struct bcm_device *dev, bool powered)
return 0;
}
+#ifdef CONFIG_PM
+static irqreturn_t bcm_host_wake(int irq, void *data)
+{
+ struct bcm_device *bdev = data;
+
+ bt_dev_dbg(bdev, "Host wake IRQ");
+
+ pm_runtime_get(&bdev->pdev->dev);
+ pm_runtime_mark_last_busy(&bdev->pdev->dev);
+ pm_runtime_put_autosuspend(&bdev->pdev->dev);
+
+ return IRQ_HANDLED;
+}
+
+static int bcm_request_irq(struct bcm_data *bcm)
+{
+ struct bcm_device *bdev = bcm->dev;
+ int err = 0;
+
+ /* If this is not a platform device, do not enable PM functionalities */
+ mutex_lock(&bcm_device_lock);
+ if (!bcm_device_exists(bdev)) {
+ err = -ENODEV;
+ goto unlock;
+ }
+
+ if (bdev->irq > 0) {
+ err = devm_request_irq(&bdev->pdev->dev, bdev->irq,
+ bcm_host_wake, IRQF_TRIGGER_RISING,
+ "host_wake", bdev);
+ if (err)
+ goto unlock;
+
+ device_init_wakeup(&bdev->pdev->dev, true);
+
+ pm_runtime_set_autosuspend_delay(&bdev->pdev->dev,
+ BCM_AUTOSUSPEND_DELAY);
+ pm_runtime_use_autosuspend(&bdev->pdev->dev);
+ pm_runtime_set_active(&bdev->pdev->dev);
+ pm_runtime_enable(&bdev->pdev->dev);
+ }
+
+unlock:
+ mutex_unlock(&bcm_device_lock);
+
+ return err;
+}
+
+static const struct bcm_set_sleep_mode default_sleep_params = {
+ .sleep_mode = 1, /* 0=Disabled, 1=UART, 2=Reserved, 3=USB */
+ .idle_host = 2, /* idle threshold HOST, in 300ms */
+ .idle_dev = 2, /* idle threshold device, in 300ms */
+ .bt_wake_active = 1, /* BT_WAKE active mode: 1 = high, 0 = low */
+ .host_wake_active = 0, /* HOST_WAKE active mode: 1 = high, 0 = low */
+ .allow_host_sleep = 1, /* Allow host sleep in SCO flag */
+ .combine_modes = 1, /* Combine sleep and LPM flag */
+ .tristate_control = 0, /* Allow tri-state control of UART tx flag */
+ /* Irrelevant USB flags */
+ .usb_auto_sleep = 0,
+ .usb_resume_timeout = 0,
+ .pulsed_host_wake = 0,
+ .break_to_host = 0
+};
+
+static int bcm_setup_sleep(struct hci_uart *hu)
+{
+ struct bcm_data *bcm = hu->priv;
+ struct sk_buff *skb;
+ struct bcm_set_sleep_mode sleep_params = default_sleep_params;
+
+ sleep_params.host_wake_active = !bcm->dev->irq_polarity;
+
+ skb = __hci_cmd_sync(hu->hdev, 0xfc27, sizeof(sleep_params),
+ &sleep_params, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ int err = PTR_ERR(skb);
+ bt_dev_err(hu->hdev, "Sleep VSC failed (%d)", err);
+ return err;
+ }
+ kfree_skb(skb);
+
+ bt_dev_dbg(hu->hdev, "Set Sleep Parameters VSC succeeded");
+
+ return 0;
+}
+#else
+static inline int bcm_request_irq(struct bcm_data *bcm) { return 0; }
+static inline int bcm_setup_sleep(struct hci_uart *hu) { return 0; }
+#endif
+
+static int bcm_set_diag(struct hci_dev *hdev, bool enable)
+{
+ struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct bcm_data *bcm = hu->priv;
+ struct sk_buff *skb;
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -ENETDOWN;
+
+ skb = bt_skb_alloc(3, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ *skb_put(skb, 1) = BCM_LM_DIAG_PKT;
+ *skb_put(skb, 1) = 0xf0;
+ *skb_put(skb, 1) = enable;
+
+ skb_queue_tail(&bcm->txq, skb);
+ hci_uart_tx_wakeup(hu);
+
+ return 0;
+}
+
static int bcm_open(struct hci_uart *hu)
{
struct bcm_data *bcm;
struct list_head *p;
- BT_DBG("hu %p", hu);
+ bt_dev_dbg(hu->hdev, "hu %p", hu);
bcm = kzalloc(sizeof(*bcm), GFP_KERNEL);
if (!bcm)
@@ -164,7 +287,7 @@ static int bcm_open(struct hci_uart *hu)
hu->priv = bcm;
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
list_for_each(p, &bcm_device_list) {
struct bcm_device *dev = list_entry(p, struct bcm_device, list);
@@ -175,17 +298,15 @@ static int bcm_open(struct hci_uart *hu)
if (hu->tty->dev->parent == dev->pdev->dev.parent) {
bcm->dev = dev;
hu->init_speed = dev->init_speed;
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
dev->hu = hu;
#endif
+ bcm_gpio_set_power(bcm->dev, true);
break;
}
}
- if (bcm->dev)
- bcm_gpio_set_power(bcm->dev, true);
-
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
return 0;
}
@@ -193,18 +314,27 @@ static int bcm_open(struct hci_uart *hu)
static int bcm_close(struct hci_uart *hu)
{
struct bcm_data *bcm = hu->priv;
+ struct bcm_device *bdev = bcm->dev;
- BT_DBG("hu %p", hu);
+ bt_dev_dbg(hu->hdev, "hu %p", hu);
/* Protect bcm->dev against removal of the device or driver */
- spin_lock(&bcm_device_lock);
- if (bcm_device_exists(bcm->dev)) {
- bcm_gpio_set_power(bcm->dev, false);
-#ifdef CONFIG_PM_SLEEP
- bcm->dev->hu = NULL;
+ mutex_lock(&bcm_device_lock);
+ if (bcm_device_exists(bdev)) {
+ bcm_gpio_set_power(bdev, false);
+#ifdef CONFIG_PM
+ pm_runtime_disable(&bdev->pdev->dev);
+ pm_runtime_set_suspended(&bdev->pdev->dev);
+
+ if (device_can_wakeup(&bdev->pdev->dev)) {
+ devm_free_irq(&bdev->pdev->dev, bdev->irq, bdev);
+ device_init_wakeup(&bdev->pdev->dev, false);
+ }
+
+ bdev->hu = NULL;
#endif
}
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
skb_queue_purge(&bcm->txq);
kfree_skb(bcm->rx_skb);
@@ -218,7 +348,7 @@ static int bcm_flush(struct hci_uart *hu)
{
struct bcm_data *bcm = hu->priv;
- BT_DBG("hu %p", hu);
+ bt_dev_dbg(hu->hdev, "hu %p", hu);
skb_queue_purge(&bcm->txq);
@@ -227,13 +357,15 @@ static int bcm_flush(struct hci_uart *hu)
static int bcm_setup(struct hci_uart *hu)
{
+ struct bcm_data *bcm = hu->priv;
char fw_name[64];
const struct firmware *fw;
unsigned int speed;
int err;
- BT_DBG("hu %p", hu);
+ bt_dev_dbg(hu->hdev, "hu %p", hu);
+ hu->hdev->set_diag = bcm_set_diag;
hu->hdev->set_bdaddr = btbcm_set_bdaddr;
err = btbcm_initialize(hu->hdev, fw_name, sizeof(fw_name));
@@ -242,13 +374,13 @@ static int bcm_setup(struct hci_uart *hu)
err = request_firmware(&fw, fw_name, &hu->hdev->dev);
if (err < 0) {
- BT_INFO("%s: BCM: Patch %s not found", hu->hdev->name, fw_name);
+ bt_dev_info(hu->hdev, "BCM: Patch %s not found", fw_name);
return 0;
}
err = btbcm_patchram(hu->hdev, fw);
if (err) {
- BT_INFO("%s: BCM: Patch failed (%d)", hu->hdev->name, err);
+ bt_dev_info(hu->hdev, "BCM: Patch failed (%d)", err);
goto finalize;
}
@@ -281,14 +413,28 @@ finalize:
release_firmware(fw);
err = btbcm_finalize(hu->hdev);
+ if (err)
+ return err;
+
+ err = bcm_request_irq(bcm);
+ if (!err)
+ err = bcm_setup_sleep(hu);
return err;
}
+#define BCM_RECV_LM_DIAG \
+ .type = BCM_LM_DIAG_PKT, \
+ .hlen = BCM_LM_DIAG_SIZE, \
+ .loff = 0, \
+ .lsize = 0, \
+ .maxlen = BCM_LM_DIAG_SIZE
+
static const struct h4_recv_pkt bcm_recv_pkts[] = {
- { H4_RECV_ACL, .recv = hci_recv_frame },
- { H4_RECV_SCO, .recv = hci_recv_frame },
- { H4_RECV_EVENT, .recv = hci_recv_frame },
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = hci_recv_frame },
+ { BCM_RECV_LM_DIAG, .recv = hci_recv_diag },
};
static int bcm_recv(struct hci_uart *hu, const void *data, int count)
@@ -302,9 +448,18 @@ static int bcm_recv(struct hci_uart *hu, const void *data, int count)
bcm_recv_pkts, ARRAY_SIZE(bcm_recv_pkts));
if (IS_ERR(bcm->rx_skb)) {
int err = PTR_ERR(bcm->rx_skb);
- BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
+ bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);
bcm->rx_skb = NULL;
return err;
+ } else if (!bcm->rx_skb) {
+ /* Delay auto-suspend when receiving completed packet */
+ mutex_lock(&bcm_device_lock);
+ if (bcm->dev && bcm_device_exists(bcm->dev)) {
+ pm_runtime_get(&bcm->dev->pdev->dev);
+ pm_runtime_mark_last_busy(&bcm->dev->pdev->dev);
+ pm_runtime_put_autosuspend(&bcm->dev->pdev->dev);
+ }
+ mutex_unlock(&bcm_device_lock);
}
return count;
@@ -314,7 +469,7 @@ static int bcm_enqueue(struct hci_uart *hu, struct sk_buff *skb)
{
struct bcm_data *bcm = hu->priv;
- BT_DBG("hu %p skb %p", hu, skb);
+ bt_dev_dbg(hu->hdev, "hu %p skb %p", hu, skb);
/* Prepend skb with frame type */
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
@@ -326,39 +481,105 @@ static int bcm_enqueue(struct hci_uart *hu, struct sk_buff *skb)
static struct sk_buff *bcm_dequeue(struct hci_uart *hu)
{
struct bcm_data *bcm = hu->priv;
+ struct sk_buff *skb = NULL;
+ struct bcm_device *bdev = NULL;
+
+ mutex_lock(&bcm_device_lock);
+
+ if (bcm_device_exists(bcm->dev)) {
+ bdev = bcm->dev;
+ pm_runtime_get_sync(&bdev->pdev->dev);
+ /* Shall be resumed here */
+ }
+
+ skb = skb_dequeue(&bcm->txq);
+
+ if (bdev) {
+ pm_runtime_mark_last_busy(&bdev->pdev->dev);
+ pm_runtime_put_autosuspend(&bdev->pdev->dev);
+ }
+
+ mutex_unlock(&bcm_device_lock);
- return skb_dequeue(&bcm->txq);
+ return skb;
}
-#ifdef CONFIG_PM_SLEEP
-/* Platform suspend callback */
-static int bcm_suspend(struct device *dev)
+#ifdef CONFIG_PM
+static int bcm_suspend_device(struct device *dev)
{
struct bcm_device *bdev = platform_get_drvdata(to_platform_device(dev));
- BT_DBG("suspend (%p): is_suspended %d", bdev, bdev->is_suspended);
+ bt_dev_dbg(bdev, "");
- spin_lock(&bcm_device_lock);
-
- if (!bdev->hu)
- goto unlock;
-
- if (!bdev->is_suspended) {
+ if (!bdev->is_suspended && bdev->hu) {
hci_uart_set_flow_control(bdev->hu, true);
- /* Once this callback returns, driver suspends BT via GPIO */
+ /* Once this returns, driver suspends BT via GPIO */
bdev->is_suspended = true;
}
/* Suspend the device */
if (bdev->device_wakeup) {
gpiod_set_value(bdev->device_wakeup, false);
- BT_DBG("suspend, delaying 15 ms");
+ bt_dev_dbg(bdev, "suspend, delaying 15 ms");
mdelay(15);
}
+ return 0;
+}
+
+static int bcm_resume_device(struct device *dev)
+{
+ struct bcm_device *bdev = platform_get_drvdata(to_platform_device(dev));
+
+ bt_dev_dbg(bdev, "");
+
+ if (bdev->device_wakeup) {
+ gpiod_set_value(bdev->device_wakeup, true);
+ bt_dev_dbg(bdev, "resume, delaying 15 ms");
+ mdelay(15);
+ }
+
+ /* When this executes, the device has woken up already */
+ if (bdev->is_suspended && bdev->hu) {
+ bdev->is_suspended = false;
+
+ hci_uart_set_flow_control(bdev->hu, false);
+ }
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_PM_SLEEP
+/* Platform suspend callback */
+static int bcm_suspend(struct device *dev)
+{
+ struct bcm_device *bdev = platform_get_drvdata(to_platform_device(dev));
+ int error;
+
+ bt_dev_dbg(bdev, "suspend: is_suspended %d", bdev->is_suspended);
+
+ /* bcm_suspend can be called at any time as long as platform device is
+ * bound, so it should use bcm_device_lock to protect access to hci_uart
+ * and device_wake-up GPIO.
+ */
+ mutex_lock(&bcm_device_lock);
+
+ if (!bdev->hu)
+ goto unlock;
+
+ if (pm_runtime_active(dev))
+ bcm_suspend_device(dev);
+
+ if (device_may_wakeup(&bdev->pdev->dev)) {
+ error = enable_irq_wake(bdev->irq);
+ if (!error)
+ bt_dev_dbg(bdev, "BCM irq: enabled");
+ }
+
unlock:
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
return 0;
}
@@ -368,28 +589,30 @@ static int bcm_resume(struct device *dev)
{
struct bcm_device *bdev = platform_get_drvdata(to_platform_device(dev));
- BT_DBG("resume (%p): is_suspended %d", bdev, bdev->is_suspended);
+ bt_dev_dbg(bdev, "resume: is_suspended %d", bdev->is_suspended);
- spin_lock(&bcm_device_lock);
+ /* bcm_resume can be called at any time as long as platform device is
+ * bound, so it should use bcm_device_lock to protect access to hci_uart
+ * and device_wake-up GPIO.
+ */
+ mutex_lock(&bcm_device_lock);
if (!bdev->hu)
goto unlock;
- if (bdev->device_wakeup) {
- gpiod_set_value(bdev->device_wakeup, true);
- BT_DBG("resume, delaying 15 ms");
- mdelay(15);
+ if (device_may_wakeup(&bdev->pdev->dev)) {
+ disable_irq_wake(bdev->irq);
+ bt_dev_dbg(bdev, "BCM irq: disabled");
}
- /* When this callback executes, the device has woken up already */
- if (bdev->is_suspended) {
- bdev->is_suspended = false;
-
- hci_uart_set_flow_control(bdev->hu, false);
- }
+ bcm_resume_device(dev);
unlock:
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
return 0;
}
@@ -397,24 +620,59 @@ unlock:
static const struct acpi_gpio_params device_wakeup_gpios = { 0, 0, false };
static const struct acpi_gpio_params shutdown_gpios = { 1, 0, false };
+static const struct acpi_gpio_params host_wakeup_gpios = { 2, 0, false };
static const struct acpi_gpio_mapping acpi_bcm_default_gpios[] = {
{ "device-wakeup-gpios", &device_wakeup_gpios, 1 },
{ "shutdown-gpios", &shutdown_gpios, 1 },
+ { "host-wakeup-gpios", &host_wakeup_gpios, 1 },
{ },
};
#ifdef CONFIG_ACPI
+static u8 acpi_active_low = ACPI_ACTIVE_LOW;
+
+/* IRQ polarity of some chipsets are not defined correctly in ACPI table. */
+static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = {
+ {
+ .ident = "Asus T100TA",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR,
+ "ASUSTeK COMPUTER INC."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+ },
+ .driver_data = &acpi_active_low,
+ },
+ { }
+};
+
static int bcm_resource(struct acpi_resource *ares, void *data)
{
struct bcm_device *dev = data;
-
- if (ares->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) {
- struct acpi_resource_uart_serialbus *sb;
-
+ struct acpi_resource_extended_irq *irq;
+ struct acpi_resource_gpio *gpio;
+ struct acpi_resource_uart_serialbus *sb;
+
+ switch (ares->type) {
+ case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
+ irq = &ares->data.extended_irq;
+ dev->irq_polarity = irq->polarity;
+ break;
+
+ case ACPI_RESOURCE_TYPE_GPIO:
+ gpio = &ares->data.gpio;
+ if (gpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT)
+ dev->irq_polarity = gpio->polarity;
+ break;
+
+ case ACPI_RESOURCE_TYPE_SERIAL_BUS:
sb = &ares->data.uart_serial_bus;
if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_UART)
dev->init_speed = sb->default_baud_rate;
+ break;
+
+ default:
+ break;
}
/* Always tell the ACPI core to skip this resource */
@@ -424,15 +682,10 @@ static int bcm_resource(struct acpi_resource *ares, void *data)
static int bcm_acpi_probe(struct bcm_device *dev)
{
struct platform_device *pdev = dev->pdev;
- const struct acpi_device_id *id;
- struct acpi_device *adev;
LIST_HEAD(resources);
+ const struct dmi_system_id *dmi_id;
int ret;
- id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev);
- if (!id)
- return -ENODEV;
-
/* Retrieve GPIO data */
dev->name = dev_name(&pdev->dev);
ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev),
@@ -453,6 +706,21 @@ static int bcm_acpi_probe(struct bcm_device *dev)
if (IS_ERR(dev->shutdown))
return PTR_ERR(dev->shutdown);
+ /* IRQ can be declared in ACPI table as Interrupt or GpioInt */
+ dev->irq = platform_get_irq(pdev, 0);
+ if (dev->irq <= 0) {
+ struct gpio_desc *gpio;
+
+ gpio = devm_gpiod_get_optional(&pdev->dev, "host-wakeup",
+ GPIOD_IN);
+ if (IS_ERR(gpio))
+ return PTR_ERR(gpio);
+
+ dev->irq = gpiod_to_irq(gpio);
+ }
+
+ dev_info(&pdev->dev, "BCM irq: %d\n", dev->irq);
+
/* Make sure at-least one of the GPIO is defined and that
* a name is specified for this instance
*/
@@ -462,11 +730,18 @@ static int bcm_acpi_probe(struct bcm_device *dev)
}
/* Retrieve UART ACPI info */
- adev = ACPI_COMPANION(&dev->pdev->dev);
- if (!adev)
- return 0;
+ ret = acpi_dev_get_resources(ACPI_COMPANION(&dev->pdev->dev),
+ &resources, bcm_resource, dev);
+ if (ret < 0)
+ return ret;
+ acpi_dev_free_resource_list(&resources);
- acpi_dev_get_resources(adev, &resources, bcm_resource, dev);
+ dmi_id = dmi_first_match(bcm_wrong_irq_dmi_table);
+ if (dmi_id) {
+ bt_dev_warn(dev, "%s: Overwriting IRQ polarity to active low",
+ dmi_id->ident);
+ dev->irq_polarity = *(u8 *)dmi_id->driver_data;
+ }
return 0;
}
@@ -480,7 +755,6 @@ static int bcm_acpi_probe(struct bcm_device *dev)
static int bcm_probe(struct platform_device *pdev)
{
struct bcm_device *dev;
- struct acpi_device_id *pdata = pdev->dev.platform_data;
int ret;
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -489,24 +763,18 @@ static int bcm_probe(struct platform_device *pdev)
dev->pdev = pdev;
- if (ACPI_HANDLE(&pdev->dev)) {
- ret = bcm_acpi_probe(dev);
- if (ret)
- return ret;
- } else if (pdata) {
- dev->name = pdata->id;
- } else {
- return -ENODEV;
- }
+ ret = bcm_acpi_probe(dev);
+ if (ret)
+ return ret;
platform_set_drvdata(pdev, dev);
dev_info(&pdev->dev, "%s device registered.\n", dev->name);
/* Place this instance on the device list */
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
list_add_tail(&dev->list, &bcm_device_list);
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
bcm_gpio_set_power(dev, false);
@@ -517,9 +785,9 @@ static int bcm_remove(struct platform_device *pdev)
{
struct bcm_device *dev = platform_get_drvdata(pdev);
- spin_lock(&bcm_device_lock);
+ mutex_lock(&bcm_device_lock);
list_del(&dev->list);
- spin_unlock(&bcm_device_lock);
+ mutex_unlock(&bcm_device_lock);
acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev));
@@ -531,6 +799,7 @@ static int bcm_remove(struct platform_device *pdev)
static const struct hci_uart_proto bcm_proto = {
.id = HCI_UART_BCM,
.name = "BCM",
+ .manufacturer = 15,
.init_speed = 115200,
.oper_speed = 4000000,
.open = bcm_open,
@@ -553,7 +822,10 @@ MODULE_DEVICE_TABLE(acpi, bcm_acpi_match);
#endif
/* Platform suspend and resume callbacks */
-static SIMPLE_DEV_PM_OPS(bcm_pm_ops, bcm_suspend, bcm_resume);
+static const struct dev_pm_ops bcm_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(bcm_suspend, bcm_resume)
+ SET_RUNTIME_PM_OPS(bcm_suspend_device, bcm_resume_device, NULL)
+};
static struct platform_driver bcm_driver = {
.probe = bcm_probe,
diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c
index eec3f28e4bb9..a6fce48da0fb 100644
--- a/drivers/bluetooth/hci_h4.c
+++ b/drivers/bluetooth/hci_h4.c
@@ -266,3 +266,4 @@ struct sk_buff *h4_recv_buf(struct hci_dev *hdev, struct sk_buff *skb,
return skb;
}
+EXPORT_SYMBOL_GPL(h4_recv_buf);
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index b35b238a0380..abee2216fdeb 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -128,7 +128,7 @@ static void h5_timed_event(unsigned long arg)
{
const unsigned char sync_req[] = { 0x01, 0x7e };
unsigned char conf_req[] = { 0x03, 0xfc, 0x01 };
- struct hci_uart *hu = (struct hci_uart *) arg;
+ struct hci_uart *hu = (struct hci_uart *)arg;
struct h5 *h5 = hu->priv;
struct sk_buff *skb;
unsigned long flags;
@@ -210,7 +210,7 @@ static int h5_open(struct hci_uart *hu)
init_timer(&h5->timer);
h5->timer.function = h5_timed_event;
- h5->timer.data = (unsigned long) hu;
+ h5->timer.data = (unsigned long)hu;
h5->tx_win = H5_TX_WIN_MAX;
@@ -453,7 +453,7 @@ static int h5_rx_pkt_start(struct hci_uart *hu, unsigned char c)
return -ENOMEM;
}
- h5->rx_skb->dev = (void *) hu->hdev;
+ h5->rx_skb->dev = (void *)hu->hdev;
return 0;
}
@@ -696,7 +696,7 @@ static struct sk_buff *h5_dequeue(struct hci_uart *hu)
}
skb = skb_dequeue(&h5->unrel);
- if (skb != NULL) {
+ if (skb) {
nskb = h5_prepare_pkt(hu, bt_cb(skb)->pkt_type,
skb->data, skb->len);
if (nskb) {
@@ -714,7 +714,7 @@ static struct sk_buff *h5_dequeue(struct hci_uart *hu)
goto unlock;
skb = skb_dequeue(&h5->rel);
- if (skb != NULL) {
+ if (skb) {
nskb = h5_prepare_pkt(hu, bt_cb(skb)->pkt_type,
skb->data, skb->len);
if (nskb) {
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c
index cf07d1121956..4a414a5a3165 100644
--- a/drivers/bluetooth/hci_intel.c
+++ b/drivers/bluetooth/hci_intel.c
@@ -31,6 +31,8 @@
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
#include <linux/acpi.h>
+#include <linux/interrupt.h>
+#include <linux/pm_runtime.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -43,19 +45,45 @@
#define STATE_FIRMWARE_LOADED 2
#define STATE_FIRMWARE_FAILED 3
#define STATE_BOOTING 4
+#define STATE_LPM_ENABLED 5
+#define STATE_TX_ACTIVE 6
+#define STATE_SUSPENDED 7
+#define STATE_LPM_TRANSACTION 8
+
+#define HCI_LPM_WAKE_PKT 0xf0
+#define HCI_LPM_PKT 0xf1
+#define HCI_LPM_MAX_SIZE 10
+#define HCI_LPM_HDR_SIZE HCI_EVENT_HDR_SIZE
+
+#define LPM_OP_TX_NOTIFY 0x00
+#define LPM_OP_SUSPEND_ACK 0x02
+#define LPM_OP_RESUME_ACK 0x03
+
+#define LPM_SUSPEND_DELAY_MS 1000
+
+struct hci_lpm_pkt {
+ __u8 opcode;
+ __u8 dlen;
+ __u8 data[0];
+} __packed;
struct intel_device {
struct list_head list;
struct platform_device *pdev;
struct gpio_desc *reset;
+ struct hci_uart *hu;
+ struct mutex hu_lock;
+ int irq;
};
static LIST_HEAD(intel_device_list);
-static DEFINE_SPINLOCK(intel_device_list_lock);
+static DEFINE_MUTEX(intel_device_list_lock);
struct intel_data {
struct sk_buff *rx_skb;
struct sk_buff_head txq;
+ struct work_struct busy_work;
+ struct hci_uart *hu;
unsigned long flags;
};
@@ -101,24 +129,185 @@ static int intel_wait_booting(struct hci_uart *hu)
msecs_to_jiffies(1000));
if (err == 1) {
- BT_ERR("%s: Device boot interrupted", hu->hdev->name);
+ bt_dev_err(hu->hdev, "Device boot interrupted");
return -EINTR;
}
if (err) {
- BT_ERR("%s: Device boot timeout", hu->hdev->name);
+ bt_dev_err(hu->hdev, "Device boot timeout");
return -ETIMEDOUT;
}
return err;
}
+#ifdef CONFIG_PM
+static int intel_wait_lpm_transaction(struct hci_uart *hu)
+{
+ struct intel_data *intel = hu->priv;
+ int err;
+
+ err = wait_on_bit_timeout(&intel->flags, STATE_LPM_TRANSACTION,
+ TASK_INTERRUPTIBLE,
+ msecs_to_jiffies(1000));
+
+ if (err == 1) {
+ bt_dev_err(hu->hdev, "LPM transaction interrupted");
+ return -EINTR;
+ }
+
+ if (err) {
+ bt_dev_err(hu->hdev, "LPM transaction timeout");
+ return -ETIMEDOUT;
+ }
+
+ return err;
+}
+
+static int intel_lpm_suspend(struct hci_uart *hu)
+{
+ static const u8 suspend[] = { 0x01, 0x01, 0x01 };
+ struct intel_data *intel = hu->priv;
+ struct sk_buff *skb;
+
+ if (!test_bit(STATE_LPM_ENABLED, &intel->flags) ||
+ test_bit(STATE_SUSPENDED, &intel->flags))
+ return 0;
+
+ if (test_bit(STATE_TX_ACTIVE, &intel->flags))
+ return -EAGAIN;
+
+ bt_dev_dbg(hu->hdev, "Suspending");
+
+ skb = bt_skb_alloc(sizeof(suspend), GFP_KERNEL);
+ if (!skb) {
+ bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet");
+ return -ENOMEM;
+ }
+
+ memcpy(skb_put(skb, sizeof(suspend)), suspend, sizeof(suspend));
+ bt_cb(skb)->pkt_type = HCI_LPM_PKT;
+
+ set_bit(STATE_LPM_TRANSACTION, &intel->flags);
+
+ /* LPM flow is a priority, enqueue packet at list head */
+ skb_queue_head(&intel->txq, skb);
+ hci_uart_tx_wakeup(hu);
+
+ intel_wait_lpm_transaction(hu);
+ /* Even in case of failure, continue and test the suspended flag */
+
+ clear_bit(STATE_LPM_TRANSACTION, &intel->flags);
+
+ if (!test_bit(STATE_SUSPENDED, &intel->flags)) {
+ bt_dev_err(hu->hdev, "Device suspend error");
+ return -EINVAL;
+ }
+
+ bt_dev_dbg(hu->hdev, "Suspended");
+
+ hci_uart_set_flow_control(hu, true);
+
+ return 0;
+}
+
+static int intel_lpm_resume(struct hci_uart *hu)
+{
+ struct intel_data *intel = hu->priv;
+ struct sk_buff *skb;
+
+ if (!test_bit(STATE_LPM_ENABLED, &intel->flags) ||
+ !test_bit(STATE_SUSPENDED, &intel->flags))
+ return 0;
+
+ bt_dev_dbg(hu->hdev, "Resuming");
+
+ hci_uart_set_flow_control(hu, false);
+
+ skb = bt_skb_alloc(0, GFP_KERNEL);
+ if (!skb) {
+ bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet");
+ return -ENOMEM;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_LPM_WAKE_PKT;
+
+ set_bit(STATE_LPM_TRANSACTION, &intel->flags);
+
+ /* LPM flow is a priority, enqueue packet at list head */
+ skb_queue_head(&intel->txq, skb);
+ hci_uart_tx_wakeup(hu);
+
+ intel_wait_lpm_transaction(hu);
+ /* Even in case of failure, continue and test the suspended flag */
+
+ clear_bit(STATE_LPM_TRANSACTION, &intel->flags);
+
+ if (test_bit(STATE_SUSPENDED, &intel->flags)) {
+ bt_dev_err(hu->hdev, "Device resume error");
+ return -EINVAL;
+ }
+
+ bt_dev_dbg(hu->hdev, "Resumed");
+
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+static int intel_lpm_host_wake(struct hci_uart *hu)
+{
+ static const u8 lpm_resume_ack[] = { LPM_OP_RESUME_ACK, 0x00 };
+ struct intel_data *intel = hu->priv;
+ struct sk_buff *skb;
+
+ hci_uart_set_flow_control(hu, false);
+
+ clear_bit(STATE_SUSPENDED, &intel->flags);
+
+ skb = bt_skb_alloc(sizeof(lpm_resume_ack), GFP_KERNEL);
+ if (!skb) {
+ bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet");
+ return -ENOMEM;
+ }
+
+ memcpy(skb_put(skb, sizeof(lpm_resume_ack)), lpm_resume_ack,
+ sizeof(lpm_resume_ack));
+ bt_cb(skb)->pkt_type = HCI_LPM_PKT;
+
+ /* LPM flow is a priority, enqueue packet at list head */
+ skb_queue_head(&intel->txq, skb);
+ hci_uart_tx_wakeup(hu);
+
+ bt_dev_dbg(hu->hdev, "Resumed by controller");
+
+ return 0;
+}
+
+static irqreturn_t intel_irq(int irq, void *dev_id)
+{
+ struct intel_device *idev = dev_id;
+
+ dev_info(&idev->pdev->dev, "hci_intel irq\n");
+
+ mutex_lock(&idev->hu_lock);
+ if (idev->hu)
+ intel_lpm_host_wake(idev->hu);
+ mutex_unlock(&idev->hu_lock);
+
+ /* Host/Controller are now LPM resumed, trigger a new delayed suspend */
+ pm_runtime_get(&idev->pdev->dev);
+ pm_runtime_mark_last_busy(&idev->pdev->dev);
+ pm_runtime_put_autosuspend(&idev->pdev->dev);
+
+ return IRQ_HANDLED;
+}
+
static int intel_set_power(struct hci_uart *hu, bool powered)
{
struct list_head *p;
int err = -ENODEV;
- spin_lock(&intel_device_list_lock);
+ mutex_lock(&intel_device_list_lock);
list_for_each(p, &intel_device_list) {
struct intel_device *idev = list_entry(p, struct intel_device,
@@ -139,13 +328,73 @@ static int intel_set_power(struct hci_uart *hu, bool powered)
hu, dev_name(&idev->pdev->dev), powered);
gpiod_set_value(idev->reset, powered);
+
+ /* Provide to idev a hu reference which is used to run LPM
+ * transactions (lpm suspend/resume) from PM callbacks.
+ * hu needs to be protected against concurrent removing during
+ * these PM ops.
+ */
+ mutex_lock(&idev->hu_lock);
+ idev->hu = powered ? hu : NULL;
+ mutex_unlock(&idev->hu_lock);
+
+ if (idev->irq < 0)
+ break;
+
+ if (powered && device_can_wakeup(&idev->pdev->dev)) {
+ err = devm_request_threaded_irq(&idev->pdev->dev,
+ idev->irq, NULL,
+ intel_irq,
+ IRQF_ONESHOT,
+ "bt-host-wake", idev);
+ if (err) {
+ BT_ERR("hu %p, unable to allocate irq-%d",
+ hu, idev->irq);
+ break;
+ }
+
+ device_wakeup_enable(&idev->pdev->dev);
+
+ pm_runtime_set_active(&idev->pdev->dev);
+ pm_runtime_use_autosuspend(&idev->pdev->dev);
+ pm_runtime_set_autosuspend_delay(&idev->pdev->dev,
+ LPM_SUSPEND_DELAY_MS);
+ pm_runtime_enable(&idev->pdev->dev);
+ } else if (!powered && device_may_wakeup(&idev->pdev->dev)) {
+ devm_free_irq(&idev->pdev->dev, idev->irq, idev);
+ device_wakeup_disable(&idev->pdev->dev);
+
+ pm_runtime_disable(&idev->pdev->dev);
+ }
}
- spin_unlock(&intel_device_list_lock);
+ mutex_unlock(&intel_device_list_lock);
return err;
}
+static void intel_busy_work(struct work_struct *work)
+{
+ struct list_head *p;
+ struct intel_data *intel = container_of(work, struct intel_data,
+ busy_work);
+
+ /* Link is busy, delay the suspend */
+ mutex_lock(&intel_device_list_lock);
+ list_for_each(p, &intel_device_list) {
+ struct intel_device *idev = list_entry(p, struct intel_device,
+ list);
+
+ if (intel->hu->tty->dev->parent == idev->pdev->dev.parent) {
+ pm_runtime_get(&idev->pdev->dev);
+ pm_runtime_mark_last_busy(&idev->pdev->dev);
+ pm_runtime_put_autosuspend(&idev->pdev->dev);
+ break;
+ }
+ }
+ mutex_unlock(&intel_device_list_lock);
+}
+
static int intel_open(struct hci_uart *hu)
{
struct intel_data *intel;
@@ -157,6 +406,9 @@ static int intel_open(struct hci_uart *hu)
return -ENOMEM;
skb_queue_head_init(&intel->txq);
+ INIT_WORK(&intel->busy_work, intel_busy_work);
+
+ intel->hu = hu;
hu->priv = intel;
@@ -172,6 +424,8 @@ static int intel_close(struct hci_uart *hu)
BT_DBG("hu %p", hu);
+ cancel_work_sync(&intel->busy_work);
+
intel_set_power(hu, false);
skb_queue_purge(&intel->txq);
@@ -237,11 +491,11 @@ static int intel_set_baudrate(struct hci_uart *hu, unsigned int speed)
if (err && err != ETIMEDOUT)
return err;
- BT_INFO("%s: Change controller speed to %d", hdev->name, speed);
+ bt_dev_info(hdev, "Change controller speed to %d", speed);
speed_cmd[3] = intel_convert_speed(speed);
if (speed_cmd[3] == 0xff) {
- BT_ERR("%s: Unsupported speed", hdev->name);
+ bt_dev_err(hdev, "Unsupported speed");
return -EINVAL;
}
@@ -250,16 +504,15 @@ static int intel_set_baudrate(struct hci_uart *hu, unsigned int speed)
*/
skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
- BT_ERR("%s: Reading Intel version information failed (%ld)",
- hdev->name, PTR_ERR(skb));
+ bt_dev_err(hdev, "Reading Intel version information failed (%ld)",
+ PTR_ERR(skb));
return PTR_ERR(skb);
}
kfree_skb(skb);
skb = bt_skb_alloc(sizeof(speed_cmd), GFP_KERNEL);
if (!skb) {
- BT_ERR("%s: Failed to allocate memory for baudrate packet",
- hdev->name);
+ bt_dev_err(hdev, "Failed to alloc memory for baudrate packet");
return -ENOMEM;
}
@@ -284,11 +537,14 @@ static int intel_setup(struct hci_uart *hu)
{
static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
0x00, 0x08, 0x04, 0x00 };
+ static const u8 lpm_param[] = { 0x03, 0x07, 0x01, 0x0b };
struct intel_data *intel = hu->priv;
+ struct intel_device *idev = NULL;
struct hci_dev *hdev = hu->hdev;
struct sk_buff *skb;
struct intel_version *ver;
struct intel_boot_params *params;
+ struct list_head *p;
const struct firmware *fw;
const u8 *fw_ptr;
char fwname[64];
@@ -299,8 +555,9 @@ static int intel_setup(struct hci_uart *hu)
int speed_change = 0;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "start intel_setup");
+ hu->hdev->set_diag = btintel_set_diag;
hu->hdev->set_bdaddr = btintel_set_bdaddr;
calltime = ktime_get();
@@ -335,21 +592,21 @@ static int intel_setup(struct hci_uart *hu)
*/
skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
- BT_ERR("%s: Reading Intel version information failed (%ld)",
- hdev->name, PTR_ERR(skb));
+ bt_dev_err(hdev, "Reading Intel version information failed (%ld)",
+ PTR_ERR(skb));
return PTR_ERR(skb);
}
if (skb->len != sizeof(*ver)) {
- BT_ERR("%s: Intel version event size mismatch", hdev->name);
+ bt_dev_err(hdev, "Intel version event size mismatch");
kfree_skb(skb);
return -EILSEQ;
}
ver = (struct intel_version *)skb->data;
if (ver->status) {
- BT_ERR("%s: Intel version command failure (%02x)",
- hdev->name, ver->status);
+ bt_dev_err(hdev, "Intel version command failure (%02x)",
+ ver->status);
err = -bt_to_errno(ver->status);
kfree_skb(skb);
return err;
@@ -359,8 +616,8 @@ static int intel_setup(struct hci_uart *hu)
* for now only accept this single value.
*/
if (ver->hw_platform != 0x37) {
- BT_ERR("%s: Unsupported Intel hardware platform (%u)",
- hdev->name, ver->hw_platform);
+ bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
+ ver->hw_platform);
kfree_skb(skb);
return -EINVAL;
}
@@ -371,8 +628,8 @@ static int intel_setup(struct hci_uart *hu)
* when newer hardware variants come along.
*/
if (ver->hw_variant != 0x0b) {
- BT_ERR("%s: Unsupported Intel hardware variant (%u)",
- hdev->name, ver->hw_variant);
+ bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
+ ver->hw_variant);
kfree_skb(skb);
return -EINVAL;
}
@@ -403,8 +660,8 @@ static int intel_setup(struct hci_uart *hu)
* choice is to return an error and abort the device initialization.
*/
if (ver->fw_variant != 0x06) {
- BT_ERR("%s: Unsupported Intel firmware variant (%u)",
- hdev->name, ver->fw_variant);
+ bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
+ ver->fw_variant);
kfree_skb(skb);
return -ENODEV;
}
@@ -416,33 +673,33 @@ static int intel_setup(struct hci_uart *hu)
*/
skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
if (IS_ERR(skb)) {
- BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
- hdev->name, PTR_ERR(skb));
+ bt_dev_err(hdev, "Reading Intel boot parameters failed (%ld)",
+ PTR_ERR(skb));
return PTR_ERR(skb);
}
if (skb->len != sizeof(*params)) {
- BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
+ bt_dev_err(hdev, "Intel boot parameters size mismatch");
kfree_skb(skb);
return -EILSEQ;
}
params = (struct intel_boot_params *)skb->data;
if (params->status) {
- BT_ERR("%s: Intel boot parameters command failure (%02x)",
- hdev->name, params->status);
+ bt_dev_err(hdev, "Intel boot parameters command failure (%02x)",
+ params->status);
err = -bt_to_errno(params->status);
kfree_skb(skb);
return err;
}
- BT_INFO("%s: Device revision is %u", hdev->name,
- le16_to_cpu(params->dev_revid));
+ bt_dev_info(hdev, "Device revision is %u",
+ le16_to_cpu(params->dev_revid));
- BT_INFO("%s: Secure boot is %s", hdev->name,
- params->secure_boot ? "enabled" : "disabled");
+ bt_dev_info(hdev, "Secure boot is %s",
+ params->secure_boot ? "enabled" : "disabled");
- BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
+ bt_dev_info(hdev, "Minimum firmware build %u week %u %u",
params->min_fw_build_nn, params->min_fw_build_cw,
2000 + params->min_fw_build_yy);
@@ -451,8 +708,8 @@ static int intel_setup(struct hci_uart *hu)
* that this bootloader does not send them, then abort the setup.
*/
if (params->limited_cce != 0x00) {
- BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
- hdev->name, params->limited_cce);
+ bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
+ params->limited_cce);
kfree_skb(skb);
return -EINVAL;
}
@@ -461,7 +718,7 @@ static int intel_setup(struct hci_uart *hu)
* also be no valid address for the operational firmware.
*/
if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
- BT_INFO("%s: No device address configured", hdev->name);
+ bt_dev_info(hdev, "No device address configured");
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
}
@@ -476,19 +733,23 @@ static int intel_setup(struct hci_uart *hu)
err = request_firmware(&fw, fwname, &hdev->dev);
if (err < 0) {
- BT_ERR("%s: Failed to load Intel firmware file (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "Failed to load Intel firmware file (%d)",
+ err);
kfree_skb(skb);
return err;
}
- BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
+ bt_dev_info(hdev, "Found device firmware: %s", fwname);
+
+ /* Save the DDC file name for later */
+ snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
+ le16_to_cpu(params->dev_revid));
kfree_skb(skb);
if (fw->size < 644) {
- BT_ERR("%s: Invalid size of firmware file (%zu)",
- hdev->name, fw->size);
+ bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
+ fw->size);
err = -EBADF;
goto done;
}
@@ -500,8 +761,7 @@ static int intel_setup(struct hci_uart *hu)
*/
err = btintel_secure_send(hdev, 0x00, 128, fw->data);
if (err < 0) {
- BT_ERR("%s: Failed to send firmware header (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "Failed to send firmware header (%d)", err);
goto done;
}
@@ -510,8 +770,8 @@ static int intel_setup(struct hci_uart *hu)
*/
err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
if (err < 0) {
- BT_ERR("%s: Failed to send firmware public key (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "Failed to send firmware public key (%d)",
+ err);
goto done;
}
@@ -520,8 +780,8 @@ static int intel_setup(struct hci_uart *hu)
*/
err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
if (err < 0) {
- BT_ERR("%s: Failed to send firmware signature (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "Failed to send firmware signature (%d)",
+ err);
goto done;
}
@@ -533,8 +793,8 @@ static int intel_setup(struct hci_uart *hu)
frag_len += sizeof(*cmd) + cmd->plen;
- BT_DBG("%s: patching %td/%zu", hdev->name,
- (fw_ptr - fw->data), fw->size);
+ bt_dev_dbg(hdev, "Patching %td/%zu", (fw_ptr - fw->data),
+ fw->size);
/* The parameter length of the secure send command requires
* a 4 byte alignment. It happens so that the firmware file
@@ -552,8 +812,8 @@ static int intel_setup(struct hci_uart *hu)
*/
err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
if (err < 0) {
- BT_ERR("%s: Failed to send firmware data (%d)",
- hdev->name, err);
+ bt_dev_err(hdev, "Failed to send firmware data (%d)",
+ err);
goto done;
}
@@ -563,7 +823,7 @@ static int intel_setup(struct hci_uart *hu)
set_bit(STATE_FIRMWARE_LOADED, &intel->flags);
- BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
+ bt_dev_info(hdev, "Waiting for firmware download to complete");
/* Before switching the device into operational mode and with that
* booting the loaded firmware, wait for the bootloader notification
@@ -580,19 +840,19 @@ static int intel_setup(struct hci_uart *hu)
TASK_INTERRUPTIBLE,
msecs_to_jiffies(5000));
if (err == 1) {
- BT_ERR("%s: Firmware loading interrupted", hdev->name);
+ bt_dev_err(hdev, "Firmware loading interrupted");
err = -EINTR;
goto done;
}
if (err) {
- BT_ERR("%s: Firmware loading timeout", hdev->name);
+ bt_dev_err(hdev, "Firmware loading timeout");
err = -ETIMEDOUT;
goto done;
}
if (test_bit(STATE_FIRMWARE_FAILED, &intel->flags)) {
- BT_ERR("%s: Firmware loading failed", hdev->name);
+ bt_dev_err(hdev, "Firmware loading failed");
err = -ENOEXEC;
goto done;
}
@@ -601,7 +861,7 @@ static int intel_setup(struct hci_uart *hu)
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long) ktime_to_ns(delta) >> 10;
- BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
+ bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
done:
release_firmware(fw);
@@ -634,7 +894,7 @@ done:
* 1 second. However if that happens, then just fail the setup
* since something went wrong.
*/
- BT_INFO("%s: Waiting for device to boot", hdev->name);
+ bt_dev_info(hdev, "Waiting for device to boot");
err = intel_wait_booting(hu);
if (err)
@@ -646,7 +906,39 @@ done:
delta = ktime_sub(rettime, calltime);
duration = (unsigned long long) ktime_to_ns(delta) >> 10;
- BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
+ bt_dev_info(hdev, "Device booted in %llu usecs", duration);
+
+ /* Enable LPM if matching pdev with wakeup enabled */
+ mutex_lock(&intel_device_list_lock);
+ list_for_each(p, &intel_device_list) {
+ struct intel_device *dev = list_entry(p, struct intel_device,
+ list);
+ if (hu->tty->dev->parent == dev->pdev->dev.parent) {
+ if (device_may_wakeup(&dev->pdev->dev))
+ idev = dev;
+ break;
+ }
+ }
+ mutex_unlock(&intel_device_list_lock);
+
+ if (!idev)
+ goto no_lpm;
+
+ bt_dev_info(hdev, "Enabling LPM");
+
+ skb = __hci_cmd_sync(hdev, 0xfc8b, sizeof(lpm_param), lpm_param,
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Failed to enable LPM");
+ goto no_lpm;
+ }
+ kfree_skb(skb);
+
+ set_bit(STATE_LPM_ENABLED, &intel->flags);
+
+no_lpm:
+ /* Ignore errors, device can work without DDC parameters */
+ btintel_load_ddc_config(hdev, fwname);
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_CMD_TIMEOUT);
if (IS_ERR(skb))
@@ -659,7 +951,7 @@ done:
return err;
}
- BT_INFO("%s: Setup complete", hdev->name);
+ bt_dev_info(hdev, "Setup complete");
clear_bit(STATE_BOOTLOADER, &intel->flags);
@@ -708,10 +1000,71 @@ recv:
return hci_recv_frame(hdev, skb);
}
+static void intel_recv_lpm_notify(struct hci_dev *hdev, int value)
+{
+ struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct intel_data *intel = hu->priv;
+
+ bt_dev_dbg(hdev, "TX idle notification (%d)", value);
+
+ if (value) {
+ set_bit(STATE_TX_ACTIVE, &intel->flags);
+ schedule_work(&intel->busy_work);
+ } else {
+ clear_bit(STATE_TX_ACTIVE, &intel->flags);
+ }
+}
+
+static int intel_recv_lpm(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_lpm_pkt *lpm = (void *)skb->data;
+ struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct intel_data *intel = hu->priv;
+
+ switch (lpm->opcode) {
+ case LPM_OP_TX_NOTIFY:
+ if (lpm->dlen < 1) {
+ bt_dev_err(hu->hdev, "Invalid LPM notification packet");
+ break;
+ }
+ intel_recv_lpm_notify(hdev, lpm->data[0]);
+ break;
+ case LPM_OP_SUSPEND_ACK:
+ set_bit(STATE_SUSPENDED, &intel->flags);
+ if (test_and_clear_bit(STATE_LPM_TRANSACTION, &intel->flags)) {
+ smp_mb__after_atomic();
+ wake_up_bit(&intel->flags, STATE_LPM_TRANSACTION);
+ }
+ break;
+ case LPM_OP_RESUME_ACK:
+ clear_bit(STATE_SUSPENDED, &intel->flags);
+ if (test_and_clear_bit(STATE_LPM_TRANSACTION, &intel->flags)) {
+ smp_mb__after_atomic();
+ wake_up_bit(&intel->flags, STATE_LPM_TRANSACTION);
+ }
+ break;
+ default:
+ bt_dev_err(hdev, "Unknown LPM opcode (%02x)", lpm->opcode);
+ break;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+
+#define INTEL_RECV_LPM \
+ .type = HCI_LPM_PKT, \
+ .hlen = HCI_LPM_HDR_SIZE, \
+ .loff = 1, \
+ .lsize = 1, \
+ .maxlen = HCI_LPM_MAX_SIZE
+
static const struct h4_recv_pkt intel_recv_pkts[] = {
- { H4_RECV_ACL, .recv = hci_recv_frame },
- { H4_RECV_SCO, .recv = hci_recv_frame },
- { H4_RECV_EVENT, .recv = intel_recv_event },
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = intel_recv_event },
+ { INTEL_RECV_LPM, .recv = intel_recv_lpm },
};
static int intel_recv(struct hci_uart *hu, const void *data, int count)
@@ -726,7 +1079,7 @@ static int intel_recv(struct hci_uart *hu, const void *data, int count)
ARRAY_SIZE(intel_recv_pkts));
if (IS_ERR(intel->rx_skb)) {
int err = PTR_ERR(intel->rx_skb);
- BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
+ bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);
intel->rx_skb = NULL;
return err;
}
@@ -737,9 +1090,27 @@ static int intel_recv(struct hci_uart *hu, const void *data, int count)
static int intel_enqueue(struct hci_uart *hu, struct sk_buff *skb)
{
struct intel_data *intel = hu->priv;
+ struct list_head *p;
BT_DBG("hu %p skb %p", hu, skb);
+ /* Be sure our controller is resumed and potential LPM transaction
+ * completed before enqueuing any packet.
+ */
+ mutex_lock(&intel_device_list_lock);
+ list_for_each(p, &intel_device_list) {
+ struct intel_device *idev = list_entry(p, struct intel_device,
+ list);
+
+ if (hu->tty->dev->parent == idev->pdev->dev.parent) {
+ pm_runtime_get_sync(&idev->pdev->dev);
+ pm_runtime_mark_last_busy(&idev->pdev->dev);
+ pm_runtime_put_autosuspend(&idev->pdev->dev);
+ break;
+ }
+ }
+ mutex_unlock(&intel_device_list_lock);
+
skb_queue_tail(&intel->txq, skb);
return 0;
@@ -777,6 +1148,7 @@ static struct sk_buff *intel_dequeue(struct hci_uart *hu)
static const struct hci_uart_proto intel_proto = {
.id = HCI_UART_INTEL,
.name = "Intel",
+ .manufacturer = 2,
.init_speed = 115200,
.oper_speed = 3000000,
.open = intel_open,
@@ -795,24 +1167,61 @@ static const struct acpi_device_id intel_acpi_match[] = {
{ },
};
MODULE_DEVICE_TABLE(acpi, intel_acpi_match);
+#endif
-static int intel_acpi_probe(struct intel_device *idev)
+#ifdef CONFIG_PM
+static int intel_suspend_device(struct device *dev)
{
- const struct acpi_device_id *id;
+ struct intel_device *idev = dev_get_drvdata(dev);
- id = acpi_match_device(intel_acpi_match, &idev->pdev->dev);
- if (!id)
- return -ENODEV;
+ mutex_lock(&idev->hu_lock);
+ if (idev->hu)
+ intel_lpm_suspend(idev->hu);
+ mutex_unlock(&idev->hu_lock);
return 0;
}
-#else
-static int intel_acpi_probe(struct intel_device *idev)
+
+static int intel_resume_device(struct device *dev)
+{
+ struct intel_device *idev = dev_get_drvdata(dev);
+
+ mutex_lock(&idev->hu_lock);
+ if (idev->hu)
+ intel_lpm_resume(idev->hu);
+ mutex_unlock(&idev->hu_lock);
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_PM_SLEEP
+static int intel_suspend(struct device *dev)
+{
+ struct intel_device *idev = dev_get_drvdata(dev);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(idev->irq);
+
+ return intel_suspend_device(dev);
+}
+
+static int intel_resume(struct device *dev)
{
- return -ENODEV;
+ struct intel_device *idev = dev_get_drvdata(dev);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(idev->irq);
+
+ return intel_resume_device(dev);
}
#endif
+static const struct dev_pm_ops intel_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(intel_suspend, intel_resume)
+ SET_RUNTIME_PM_OPS(intel_suspend_device, intel_resume_device, NULL)
+};
+
static int intel_probe(struct platform_device *pdev)
{
struct intel_device *idev;
@@ -821,15 +1230,9 @@ static int intel_probe(struct platform_device *pdev)
if (!idev)
return -ENOMEM;
- idev->pdev = pdev;
+ mutex_init(&idev->hu_lock);
- if (ACPI_HANDLE(&pdev->dev)) {
- int err = intel_acpi_probe(idev);
- if (err)
- return err;
- } else {
- return -ENODEV;
- }
+ idev->pdev = pdev;
idev->reset = devm_gpiod_get_optional(&pdev->dev, "reset",
GPIOD_OUT_LOW);
@@ -838,14 +1241,40 @@ static int intel_probe(struct platform_device *pdev)
return PTR_ERR(idev->reset);
}
+ idev->irq = platform_get_irq(pdev, 0);
+ if (idev->irq < 0) {
+ struct gpio_desc *host_wake;
+
+ dev_err(&pdev->dev, "No IRQ, falling back to gpio-irq\n");
+
+ host_wake = devm_gpiod_get_optional(&pdev->dev, "host-wake",
+ GPIOD_IN);
+ if (IS_ERR(host_wake)) {
+ dev_err(&pdev->dev, "Unable to retrieve IRQ\n");
+ goto no_irq;
+ }
+
+ idev->irq = gpiod_to_irq(host_wake);
+ if (idev->irq < 0) {
+ dev_err(&pdev->dev, "No corresponding irq for gpio\n");
+ goto no_irq;
+ }
+ }
+
+ /* Only enable wake-up/irq when controller is powered */
+ device_set_wakeup_capable(&pdev->dev, true);
+ device_wakeup_disable(&pdev->dev);
+
+no_irq:
platform_set_drvdata(pdev, idev);
/* Place this instance on the device list */
- spin_lock(&intel_device_list_lock);
+ mutex_lock(&intel_device_list_lock);
list_add_tail(&idev->list, &intel_device_list);
- spin_unlock(&intel_device_list_lock);
+ mutex_unlock(&intel_device_list_lock);
- dev_info(&pdev->dev, "registered.\n");
+ dev_info(&pdev->dev, "registered, gpio(%d)/irq(%d).\n",
+ desc_to_gpio(idev->reset), idev->irq);
return 0;
}
@@ -854,9 +1283,11 @@ static int intel_remove(struct platform_device *pdev)
{
struct intel_device *idev = platform_get_drvdata(pdev);
- spin_lock(&intel_device_list_lock);
+ device_wakeup_disable(&pdev->dev);
+
+ mutex_lock(&intel_device_list_lock);
list_del(&idev->list);
- spin_unlock(&intel_device_list_lock);
+ mutex_unlock(&intel_device_list_lock);
dev_info(&pdev->dev, "unregistered.\n");
@@ -869,6 +1300,7 @@ static struct platform_driver intel_driver = {
.driver = {
.name = "hci_intel",
.acpi_match_table = ACPI_PTR(intel_acpi_match),
+ .pm = &intel_pm_ops,
},
};
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 0d5a05a7c1fd..96bcec5598c2 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -208,9 +208,6 @@ static int hci_uart_open(struct hci_dev *hdev)
BT_DBG("%s %p", hdev->name, hdev);
/* Nothing to do for UART driver */
-
- set_bit(HCI_RUNNING, &hdev->flags);
-
return 0;
}
@@ -241,9 +238,6 @@ static int hci_uart_close(struct hci_dev *hdev)
{
BT_DBG("hdev %p", hdev);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
hci_uart_flush(hdev);
hdev->flush = NULL;
return 0;
@@ -254,9 +248,6 @@ static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_uart *hu = hci_get_drvdata(hdev);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
BT_DBG("%s: type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
hu->proto->enqueue(hu, skb);
@@ -470,8 +461,6 @@ static int hci_uart_tty_open(struct tty_struct *tty)
INIT_WORK(&hu->init_ready, hci_uart_init_work);
INIT_WORK(&hu->write_work, hci_uart_write_work);
- 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
@@ -569,14 +558,14 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data,
if (!test_bit(HCI_UART_PROTO_SET, &hu->flags))
return;
- spin_lock(&hu->rx_lock);
+ /* It does not need a lock here as it is already protected by a mutex in
+ * tty caller
+ */
hu->proto->recv(hu, data, count);
if (hu->hdev)
hu->hdev->stat.byte_rx += count;
- spin_unlock(&hu->rx_lock);
-
tty_unthrottle(tty);
}
@@ -598,6 +587,13 @@ static int hci_uart_register_dev(struct hci_uart *hu)
hdev->bus = HCI_UART;
hci_set_drvdata(hdev, hu);
+ /* Only when vendor specific setup callback is provided, consider
+ * the manufacturer information valid. This avoids filling in the
+ * value for Ericsson when nothing is specified.
+ */
+ if (hu->proto->setup)
+ hdev->manufacturer = hu->proto->manufacturer;
+
hdev->open = hci_uart_open;
hdev->close = hci_uart_close;
hdev->flush = hci_uart_flush;
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 6b9b91267959..77eae64000b3 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -41,13 +41,13 @@
#define HCI_IBS_SLEEP_IND 0xFE
#define HCI_IBS_WAKE_IND 0xFD
#define HCI_IBS_WAKE_ACK 0xFC
-#define HCI_MAX_IBS_SIZE 10
+#define HCI_MAX_IBS_SIZE 10
/* Controller states */
#define STATE_IN_BAND_SLEEP_ENABLED 1
-#define IBS_WAKE_RETRANS_TIMEOUT_MS 100
-#define IBS_TX_IDLE_TIMEOUT_MS 2000
+#define IBS_WAKE_RETRANS_TIMEOUT_MS 100
+#define IBS_TX_IDLE_TIMEOUT_MS 2000
#define BAUDRATE_SETTLE_TIMEOUT_MS 300
/* HCI_IBS transmit side sleep protocol states */
@@ -181,8 +181,8 @@ static void serial_clock_vote(unsigned long vote, struct hci_uart *hu)
else
__serial_clock_off(hu->tty);
- BT_DBG("Vote serial clock %s(%s)", new_vote? "true" : "false",
- vote? "true" : "false");
+ BT_DBG("Vote serial clock %s(%s)", new_vote ? "true" : "false",
+ vote ? "true" : "false");
diff = jiffies_to_msecs(jiffies - qca->vote_last_jif);
@@ -347,7 +347,7 @@ static void hci_ibs_wake_retrans_timeout(unsigned long arg)
struct hci_uart *hu = (struct hci_uart *)arg;
struct qca_data *qca = hu->priv;
unsigned long flags, retrans_delay;
- unsigned long retransmit = 0;
+ bool retransmit = false;
BT_DBG("hu %p wake retransmit timeout in %d state",
hu, qca->tx_ibs_state);
@@ -358,7 +358,7 @@ static void hci_ibs_wake_retrans_timeout(unsigned long arg)
switch (qca->tx_ibs_state) {
case HCI_IBS_TX_WAKING:
/* No WAKE_ACK, retransmit WAKE */
- retransmit = 1;
+ retransmit = true;
if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0) {
BT_ERR("Failed to acknowledge device wake up");
break;
@@ -821,7 +821,7 @@ static struct sk_buff *qca_dequeue(struct hci_uart *hu)
static uint8_t qca_get_baudrate_value(int speed)
{
- switch(speed) {
+ switch (speed) {
case 9600:
return QCA_BAUDRATE_9600;
case 19200:
@@ -947,6 +947,7 @@ static int qca_setup(struct hci_uart *hu)
static struct hci_uart_proto qca_proto = {
.id = HCI_UART_QCA,
.name = "QCA",
+ .manufacturer = 29,
.init_speed = 115200,
.oper_speed = 3000000,
.open = qca_open,
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 495b9ef52bb0..82c92f1b65b4 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -59,6 +59,7 @@ struct hci_uart;
struct hci_uart_proto {
unsigned int id;
const char *name;
+ unsigned int manufacturer;
unsigned int init_speed;
unsigned int oper_speed;
int (*open)(struct hci_uart *hu);
@@ -85,7 +86,6 @@ struct hci_uart {
struct sk_buff *tx_skb;
unsigned long tx_state;
- spinlock_t rx_lock;
unsigned int init_speed;
unsigned int oper_speed;
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 78653db2ef2b..ed888e302bc3 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -55,8 +55,6 @@ struct vhci_data {
static int vhci_open_dev(struct hci_dev *hdev)
{
- set_bit(HCI_RUNNING, &hdev->flags);
-
return 0;
}
@@ -64,9 +62,6 @@ static int vhci_close_dev(struct hci_dev *hdev)
{
struct vhci_data *data = hci_get_drvdata(hdev);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
skb_queue_purge(&data->readq);
return 0;
@@ -85,9 +80,6 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
struct vhci_data *data = hci_get_drvdata(hdev);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
skb_queue_tail(&data->readq, skb);
diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c
index 7d9879e166cf..7082c7268845 100644
--- a/drivers/bus/arm-ccn.c
+++ b/drivers/bus/arm-ccn.c
@@ -1184,11 +1184,12 @@ static int arm_ccn_pmu_cpu_notifier(struct notifier_block *nb,
if (!cpumask_test_and_clear_cpu(cpu, &dt->cpu))
break;
target = cpumask_any_but(cpu_online_mask, cpu);
- if (target < 0)
+ if (target >= nr_cpu_ids)
break;
perf_pmu_migrate_context(&dt->pmu, cpu, target);
cpumask_set_cpu(target, &dt->cpu);
- WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0);
+ if (ccn->irq)
+ WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0);
default:
break;
}
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index f48cf11c655e..dbf22719462f 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -10,7 +10,7 @@ menuconfig HW_RANDOM
To compile this driver as a module, choose M here: the
module will be called rng-core. This provides a device
- that's usually called /dev/hw_random, and which exposes one
+ that's usually called /dev/hwrng, and which exposes one
of possibly several hardware random number generators.
These hardware random number generators do not feed directly
@@ -346,6 +346,16 @@ config HW_RANDOM_MSM
If unsure, say Y.
+config HW_RANDOM_ST
+ tristate "ST Microelectronics HW Random Number Generator support"
+ depends on HW_RANDOM && ARCH_STI
+ ---help---
+ This driver provides kernel-side support for the Random Number
+ Generator hardware found on STi series of SoCs.
+
+ To compile this driver as a module, choose M here: the
+ module will be called st-rng.
+
config HW_RANDOM_XGENE
tristate "APM X-Gene True Random Number Generator (TRNG) support"
depends on HW_RANDOM && ARCH_XGENE
@@ -359,6 +369,18 @@ config HW_RANDOM_XGENE
If unsure, say Y.
+config HW_RANDOM_STM32
+ tristate "STMicroelectronics STM32 random number generator"
+ depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST)
+ help
+ This driver provides kernel-side support for the Random Number
+ Generator hardware found on STM32 microcontrollers.
+
+ To compile this driver as a module, choose M here: the
+ module will be called stm32-rng.
+
+ If unsure, say N.
+
endif # HW_RANDOM
config UML_RANDOM
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index 055bb01510ad..5ad397635128 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -30,4 +30,6 @@ obj-$(CONFIG_HW_RANDOM_TPM) += tpm-rng.o
obj-$(CONFIG_HW_RANDOM_BCM2835) += bcm2835-rng.o
obj-$(CONFIG_HW_RANDOM_IPROC_RNG200) += iproc-rng200.o
obj-$(CONFIG_HW_RANDOM_MSM) += msm-rng.o
+obj-$(CONFIG_HW_RANDOM_ST) += st-rng.o
obj-$(CONFIG_HW_RANDOM_XGENE) += xgene-rng.o
+obj-$(CONFIG_HW_RANDOM_STM32) += stm32-rng.o
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 5643b65cee20..6f497aa1b276 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -323,7 +323,7 @@ static ssize_t hwrng_attr_current_store(struct device *dev,
return -ERESTARTSYS;
err = -ENODEV;
list_for_each_entry(rng, &rng_list, list) {
- if (strcmp(rng->name, buf) == 0) {
+ if (sysfs_streq(rng->name, buf)) {
err = 0;
if (rng != current_rng)
err = set_current_rng(rng);
diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
index dc4701fd814f..30cf4623184f 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -53,15 +53,11 @@ static void exynos_rng_writel(struct exynos_rng *rng, u32 val, u32 offset)
__raw_writel(val, rng->mem + offset);
}
-static int exynos_init(struct hwrng *rng)
+static int exynos_rng_configure(struct exynos_rng *exynos_rng)
{
- struct exynos_rng *exynos_rng = container_of(rng,
- struct exynos_rng, rng);
int i;
int ret = 0;
- pm_runtime_get_sync(exynos_rng->dev);
-
for (i = 0 ; i < 5 ; i++)
exynos_rng_writel(exynos_rng, jiffies,
EXYNOS_PRNG_SEED_OFFSET + 4*i);
@@ -70,6 +66,17 @@ static int exynos_init(struct hwrng *rng)
& SEED_SETTING_DONE))
ret = -EIO;
+ return ret;
+}
+
+static int exynos_init(struct hwrng *rng)
+{
+ struct exynos_rng *exynos_rng = container_of(rng,
+ struct exynos_rng, rng);
+ int ret = 0;
+
+ pm_runtime_get_sync(exynos_rng->dev);
+ ret = exynos_rng_configure(exynos_rng);
pm_runtime_put_noidle(exynos_rng->dev);
return ret;
@@ -81,21 +88,24 @@ static int exynos_read(struct hwrng *rng, void *buf,
struct exynos_rng *exynos_rng = container_of(rng,
struct exynos_rng, rng);
u32 *data = buf;
+ int retry = 100;
pm_runtime_get_sync(exynos_rng->dev);
exynos_rng_writel(exynos_rng, PRNG_START, 0);
while (!(exynos_rng_readl(exynos_rng,
- EXYNOS_PRNG_STATUS_OFFSET) & PRNG_DONE))
+ EXYNOS_PRNG_STATUS_OFFSET) & PRNG_DONE) && --retry)
cpu_relax();
+ if (!retry)
+ return -ETIMEDOUT;
exynos_rng_writel(exynos_rng, PRNG_DONE, EXYNOS_PRNG_STATUS_OFFSET);
*data = exynos_rng_readl(exynos_rng, EXYNOS_PRNG_OUT1_OFFSET);
pm_runtime_mark_last_busy(exynos_rng->dev);
- pm_runtime_autosuspend(exynos_rng->dev);
+ pm_runtime_put_sync_autosuspend(exynos_rng->dev);
return 4;
}
@@ -152,15 +162,45 @@ static int exynos_rng_runtime_resume(struct device *dev)
return clk_prepare_enable(exynos_rng->clk);
}
+
+static int exynos_rng_suspend(struct device *dev)
+{
+ return pm_runtime_force_suspend(dev);
+}
+
+static int exynos_rng_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct exynos_rng *exynos_rng = platform_get_drvdata(pdev);
+ int ret;
+
+ ret = pm_runtime_force_resume(dev);
+ if (ret)
+ return ret;
+
+ return exynos_rng_configure(exynos_rng);
+}
#endif
-static UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend,
- exynos_rng_runtime_resume, NULL);
+static const struct dev_pm_ops exynos_rng_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(exynos_rng_suspend, exynos_rng_resume)
+ SET_RUNTIME_PM_OPS(exynos_rng_runtime_suspend,
+ exynos_rng_runtime_resume, NULL)
+};
+
+static const struct of_device_id exynos_rng_dt_match[] = {
+ {
+ .compatible = "samsung,exynos4-rng",
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(of, exynos_rng_dt_match);
static struct platform_driver exynos_rng_driver = {
.driver = {
.name = "exynos-rng",
.pm = &exynos_rng_pm_ops,
+ .of_match_table = exynos_rng_dt_match,
},
.probe = exynos_rng_probe,
};
diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
index 6cbb72ec6013..467362262651 100644
--- a/drivers/char/hw_random/mxc-rnga.c
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -141,12 +141,11 @@ static void mxc_rnga_cleanup(struct hwrng *rng)
static int __init mxc_rnga_probe(struct platform_device *pdev)
{
- int err = -ENODEV;
+ int err;
struct resource *res;
struct mxc_rng *mxc_rng;
- mxc_rng = devm_kzalloc(&pdev->dev, sizeof(struct mxc_rng),
- GFP_KERNEL);
+ mxc_rng = devm_kzalloc(&pdev->dev, sizeof(*mxc_rng), GFP_KERNEL);
if (!mxc_rng)
return -ENOMEM;
@@ -160,13 +159,12 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
mxc_rng->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(mxc_rng->clk)) {
dev_err(&pdev->dev, "Could not get rng_clk!\n");
- err = PTR_ERR(mxc_rng->clk);
- goto out;
+ return PTR_ERR(mxc_rng->clk);
}
err = clk_prepare_enable(mxc_rng->clk);
if (err)
- goto out;
+ return err;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mxc_rng->mem = devm_ioremap_resource(&pdev->dev, res);
@@ -181,14 +179,10 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
goto err_ioremap;
}
- dev_info(&pdev->dev, "MXC RNGA Registered.\n");
-
return 0;
err_ioremap:
clk_disable_unprepare(mxc_rng->clk);
-
-out:
return err;
}
diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c
index 6234a4a19b56..8c78aa090492 100644
--- a/drivers/char/hw_random/octeon-rng.c
+++ b/drivers/char/hw_random/octeon-rng.c
@@ -96,7 +96,7 @@ static int octeon_rng_probe(struct platform_device *pdev)
rng->ops = ops;
platform_set_drvdata(pdev, &rng->ops);
- ret = hwrng_register(&rng->ops);
+ ret = devm_hwrng_register(&pdev->dev, &rng->ops);
if (ret)
return -ENOENT;
@@ -105,21 +105,11 @@ static int octeon_rng_probe(struct platform_device *pdev)
return 0;
}
-static int octeon_rng_remove(struct platform_device *pdev)
-{
- struct hwrng *rng = platform_get_drvdata(pdev);
-
- hwrng_unregister(rng);
-
- return 0;
-}
-
static struct platform_driver octeon_rng_driver = {
.driver = {
.name = "octeon_rng",
},
.probe = octeon_rng_probe,
- .remove = octeon_rng_remove,
};
module_platform_driver(octeon_rng_driver);
diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c
index 51cb1d5cc489..699b7259f5d7 100644
--- a/drivers/char/hw_random/pasemi-rng.c
+++ b/drivers/char/hw_random/pasemi-rng.c
@@ -138,6 +138,7 @@ static const struct of_device_id rng_match[] = {
{ .compatible = "pasemi,pwrficient-rng", },
{ },
};
+MODULE_DEVICE_TABLE(of, rng_match);
static struct platform_driver rng_driver = {
.driver = {
diff --git a/drivers/char/hw_random/ppc4xx-rng.c b/drivers/char/hw_random/ppc4xx-rng.c
index b2cfda0fa93e..c0db4387d2e2 100644
--- a/drivers/char/hw_random/ppc4xx-rng.c
+++ b/drivers/char/hw_random/ppc4xx-rng.c
@@ -129,6 +129,7 @@ static const struct of_device_id ppc4xx_rng_match[] = {
{ .compatible = "amcc,ppc440epx-rng", },
{},
};
+MODULE_DEVICE_TABLE(of, ppc4xx_rng_match);
static struct platform_driver ppc4xx_rng_driver = {
.driver = {
diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
new file mode 100644
index 000000000000..1d35363d23c5
--- /dev/null
+++ b/drivers/char/hw_random/st-rng.c
@@ -0,0 +1,151 @@
+/*
+ * ST Random Number Generator Driver ST's Platforms
+ *
+ * Author: Pankaj Dev: <pankaj.dev@st.com>
+ * Lee Jones <lee.jones@linaro.org>
+ *
+ * Copyright (C) 2015 STMicroelectronics (R&D) Limited
+ *
+ * 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.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+/* Registers */
+#define ST_RNG_STATUS_REG 0x20
+#define ST_RNG_DATA_REG 0x24
+
+/* Registers fields */
+#define ST_RNG_STATUS_BAD_SEQUENCE BIT(0)
+#define ST_RNG_STATUS_BAD_ALTERNANCE BIT(1)
+#define ST_RNG_STATUS_FIFO_FULL BIT(5)
+
+#define ST_RNG_SAMPLE_SIZE 2 /* 2 Byte (16bit) samples */
+#define ST_RNG_FIFO_DEPTH 4
+#define ST_RNG_FIFO_SIZE (ST_RNG_FIFO_DEPTH * ST_RNG_SAMPLE_SIZE)
+
+/*
+ * Samples are documented to be available every 0.667us, so in theory
+ * the 4 sample deep FIFO should take 2.668us to fill. However, during
+ * thorough testing, it became apparent that filling the FIFO actually
+ * takes closer to 12us. We then multiply by 2 in order to account for
+ * the lack of udelay()'s reliability, suggested by Russell King.
+ */
+#define ST_RNG_FILL_FIFO_TIMEOUT (12 * 2)
+
+struct st_rng_data {
+ void __iomem *base;
+ struct clk *clk;
+ struct hwrng ops;
+};
+
+static int st_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
+{
+ struct st_rng_data *ddata = (struct st_rng_data *)rng->priv;
+ u32 status;
+ int i;
+
+ if (max < sizeof(u16))
+ return -EINVAL;
+
+ /* Wait until FIFO is full - max 4uS*/
+ for (i = 0; i < ST_RNG_FILL_FIFO_TIMEOUT; i++) {
+ status = readl_relaxed(ddata->base + ST_RNG_STATUS_REG);
+ if (status & ST_RNG_STATUS_FIFO_FULL)
+ break;
+ udelay(1);
+ }
+
+ if (i == ST_RNG_FILL_FIFO_TIMEOUT)
+ return 0;
+
+ for (i = 0; i < ST_RNG_FIFO_SIZE && i < max; i += 2)
+ *(u16 *)(data + i) =
+ readl_relaxed(ddata->base + ST_RNG_DATA_REG);
+
+ return i; /* No of bytes read */
+}
+
+static int st_rng_probe(struct platform_device *pdev)
+{
+ struct st_rng_data *ddata;
+ struct resource *res;
+ struct clk *clk;
+ void __iomem *base;
+ int ret;
+
+ ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
+ if (!ddata)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ ret = clk_prepare_enable(clk);
+ if (ret)
+ return ret;
+
+ ddata->ops.priv = (unsigned long)ddata;
+ ddata->ops.read = st_rng_read;
+ ddata->ops.name = pdev->name;
+ ddata->base = base;
+ ddata->clk = clk;
+
+ dev_set_drvdata(&pdev->dev, ddata);
+
+ ret = hwrng_register(&ddata->ops);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register HW RNG\n");
+ return ret;
+ }
+
+ dev_info(&pdev->dev, "Successfully registered HW RNG\n");
+
+ return 0;
+}
+
+static int st_rng_remove(struct platform_device *pdev)
+{
+ struct st_rng_data *ddata = dev_get_drvdata(&pdev->dev);
+
+ hwrng_unregister(&ddata->ops);
+
+ clk_disable_unprepare(ddata->clk);
+
+ return 0;
+}
+
+static const struct of_device_id st_rng_match[] = {
+ { .compatible = "st,rng" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, st_rng_match);
+
+static struct platform_driver st_rng_driver = {
+ .driver = {
+ .name = "st-hwrandom",
+ .of_match_table = of_match_ptr(st_rng_match),
+ },
+ .probe = st_rng_probe,
+ .remove = st_rng_remove
+};
+
+module_platform_driver(st_rng_driver);
+
+MODULE_AUTHOR("Pankaj Dev <pankaj.dev@st.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
new file mode 100644
index 000000000000..92a810648bd0
--- /dev/null
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -0,0 +1,202 @@
+/*
+ * Copyright (c) 2015, Daniel Thompson
+ *
+ * This file 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 file 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.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+
+#define RNG_CR 0x00
+#define RNG_CR_RNGEN BIT(2)
+
+#define RNG_SR 0x04
+#define RNG_SR_SEIS BIT(6)
+#define RNG_SR_CEIS BIT(5)
+#define RNG_SR_DRDY BIT(0)
+
+#define RNG_DR 0x08
+
+/*
+ * It takes 40 cycles @ 48MHz to generate each random number (e.g. <1us).
+ * At the time of writing STM32 parts max out at ~200MHz meaning a timeout
+ * of 500 leaves us a very comfortable margin for error. The loop to which
+ * the timeout applies takes at least 4 instructions per iteration so the
+ * timeout is enough to take us up to multi-GHz parts!
+ */
+#define RNG_TIMEOUT 500
+
+struct stm32_rng_private {
+ struct hwrng rng;
+ void __iomem *base;
+ struct clk *clk;
+};
+
+static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
+{
+ struct stm32_rng_private *priv =
+ container_of(rng, struct stm32_rng_private, rng);
+ u32 sr;
+ int retval = 0;
+
+ pm_runtime_get_sync((struct device *) priv->rng.priv);
+
+ while (max > sizeof(u32)) {
+ sr = readl_relaxed(priv->base + RNG_SR);
+ if (!sr && wait) {
+ unsigned int timeout = RNG_TIMEOUT;
+
+ do {
+ cpu_relax();
+ sr = readl_relaxed(priv->base + RNG_SR);
+ } while (!sr && --timeout);
+ }
+
+ /* If error detected or data not ready... */
+ if (sr != RNG_SR_DRDY)
+ break;
+
+ *(u32 *)data = readl_relaxed(priv->base + RNG_DR);
+
+ retval += sizeof(u32);
+ data += sizeof(u32);
+ max -= sizeof(u32);
+ }
+
+ if (WARN_ONCE(sr & (RNG_SR_SEIS | RNG_SR_CEIS),
+ "bad RNG status - %x\n", sr))
+ writel_relaxed(0, priv->base + RNG_SR);
+
+ pm_runtime_mark_last_busy((struct device *) priv->rng.priv);
+ pm_runtime_put_sync_autosuspend((struct device *) priv->rng.priv);
+
+ return retval || !wait ? retval : -EIO;
+}
+
+static int stm32_rng_init(struct hwrng *rng)
+{
+ struct stm32_rng_private *priv =
+ container_of(rng, struct stm32_rng_private, rng);
+ int err;
+
+ err = clk_prepare_enable(priv->clk);
+ if (err)
+ return err;
+
+ writel_relaxed(RNG_CR_RNGEN, priv->base + RNG_CR);
+
+ /* clear error indicators */
+ writel_relaxed(0, priv->base + RNG_SR);
+
+ return 0;
+}
+
+static void stm32_rng_cleanup(struct hwrng *rng)
+{
+ struct stm32_rng_private *priv =
+ container_of(rng, struct stm32_rng_private, rng);
+
+ writel_relaxed(0, priv->base + RNG_CR);
+ clk_disable_unprepare(priv->clk);
+}
+
+static int stm32_rng_probe(struct platform_device *ofdev)
+{
+ struct device *dev = &ofdev->dev;
+ struct device_node *np = ofdev->dev.of_node;
+ struct stm32_rng_private *priv;
+ struct resource res;
+ int err;
+
+ priv = devm_kzalloc(dev, sizeof(struct stm32_rng_private), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ err = of_address_to_resource(np, 0, &res);
+ if (err)
+ return err;
+
+ priv->base = devm_ioremap_resource(dev, &res);
+ if (IS_ERR(priv->base))
+ return PTR_ERR(priv->base);
+
+ priv->clk = devm_clk_get(&ofdev->dev, NULL);
+ if (IS_ERR(priv->clk))
+ return PTR_ERR(priv->clk);
+
+ dev_set_drvdata(dev, priv);
+
+ priv->rng.name = dev_driver_string(dev),
+#ifndef CONFIG_PM
+ priv->rng.init = stm32_rng_init,
+ priv->rng.cleanup = stm32_rng_cleanup,
+#endif
+ priv->rng.read = stm32_rng_read,
+ priv->rng.priv = (unsigned long) dev;
+
+ pm_runtime_set_autosuspend_delay(dev, 100);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_enable(dev);
+
+ return devm_hwrng_register(dev, &priv->rng);
+}
+
+#ifdef CONFIG_PM
+static int stm32_rng_runtime_suspend(struct device *dev)
+{
+ struct stm32_rng_private *priv = dev_get_drvdata(dev);
+
+ stm32_rng_cleanup(&priv->rng);
+
+ return 0;
+}
+
+static int stm32_rng_runtime_resume(struct device *dev)
+{
+ struct stm32_rng_private *priv = dev_get_drvdata(dev);
+
+ return stm32_rng_init(&priv->rng);
+}
+#endif
+
+static UNIVERSAL_DEV_PM_OPS(stm32_rng_pm_ops, stm32_rng_runtime_suspend,
+ stm32_rng_runtime_resume, NULL);
+
+static const struct of_device_id stm32_rng_match[] = {
+ {
+ .compatible = "st,stm32-rng",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, stm32_rng_match);
+
+static struct platform_driver stm32_rng_driver = {
+ .driver = {
+ .name = "stm32-rng",
+ .pm = &stm32_rng_pm_ops,
+ .of_match_table = stm32_rng_match,
+ },
+ .probe = stm32_rng_probe,
+};
+
+module_platform_driver(stm32_rng_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Daniel Thompson <daniel.thompson@linaro.org>");
+MODULE_DESCRIPTION("STMicroelectronics STM32 RNG device driver");
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index c0eaf0973bd2..779b6ff0c7ad 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -333,7 +333,8 @@ int clk_add_alias(const char *alias, const char *alias_dev_name,
if (IS_ERR(r))
return PTR_ERR(r);
- l = clkdev_create(r, alias, "%s", alias_dev_name);
+ l = clkdev_create(r, alias, alias_dev_name ? "%s" : NULL,
+ alias_dev_name);
clk_put(r);
return l ? 0 : -ENODEV;
diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c
index 9b613426e968..bc24e5a002