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authorRafał Miłecki <zajec5@gmail.com>2015-05-13 07:36:38 +0200
committerKalle Valo <kvalo@codeaurora.org>2015-05-20 16:36:06 +0300
commitc411ead995b46f361b92116fd042ae83866044a1 (patch)
tree3d108e1bdb8774034a9aa1674f7e136df94233a6 /drivers/ssb
parentf673821864899153142365aca888435815ac93f0 (diff)
ssb: extend fix for PCI related silent reboots to all chipsets
Recent fix for BCM4704 reboots has to be extended as the same problem affects Linksys WRT350N v1 (BCM4705). Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Reported-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/ssb')
-rw-r--r--drivers/ssb/driver_pcicore.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 15a7ee3859dd..5fe1c22e289b 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -359,12 +359,13 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
/*
* Accessing PCI config without a proper delay after devices reset (not
- * GPIO reset) was causing reboots on WRT300N v1.0.
+ * GPIO reset) was causing reboots on WRT300N v1.0 (BCM4704).
* Tested delay 850 us lowered reboot chance to 50-80%, 1000 us fixed it
* completely. Flushing all writes was also tested but with no luck.
+ * The same problem was reported for WRT350N v1 (BCM4705), so we just
+ * sleep here unconditionally.
*/
- if (pc->dev->bus->chip_id == 0x4704)
- usleep_range(1000, 2000);
+ usleep_range(1000, 2000);
/* Enable PCI bridge BAR0 prefetch and burst */
val = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;

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