Staging
v0.8.1
https://github.com/torvalds/linux
Revision b09bc6cbae4dd3a2d35722668ef2c502a7b8b093 authored by Andiry Xu on 14 November 2008, 03:42:29 UTC, committed by Greg Kroah-Hartman on 20 November 2008, 06:01:34 UTC
This patch is required for AMD SB700 south bridge revision A12 and A13 to avoid
USB subsystem hang symptom. The USB subsystem hang symptom is observed when the
system has multiple USB devices connected to it. In some cases a USB hub may be
required to observe this symptom.

This patch works around the problem by correcting the internal register setting
that will help by changing the behavior of the internal logic to avoid the
USB subsystem hang issue. The change in the behavior of the logic does not
impact the normal operation of the USB subsystem.

Reported-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>
Tested-by: Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Libin Yang <libin.yang@amd.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 parent ee2f6cc
History
Tip revision: b09bc6cbae4dd3a2d35722668ef2c502a7b8b093 authored by Andiry Xu on 14 November 2008, 03:42:29 UTC
USB: fix SB700 usb subsystem hang bug
Tip revision: b09bc6c
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