From: Rafał Miłecki Date: Wed, 13 May 2015 05:36:38 +0000 (+0200) Subject: ssb: extend fix for PCI related silent reboots to all chipsets X-Git-Tag: v4.1-rc6~19^2~13^2~1 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c411ead995b46f361b92116fd042ae83866044a1;p=karo-tx-linux.git 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 Reported-by: Daniel Gimpelevich Signed-off-by: Kalle Valo --- 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;