Commit c411ead9 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Kalle Valo

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: default avatarRafał Miłecki <zajec5@gmail.com>
Reported-by: default avatarDaniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent f6738218
......@@ -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;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment