Re: [PATCH] usb: fix SB700 usb subsystem hang bug

From: Greg KH
Date: Thu Nov 13 2008 - 22:31:31 EST


On Fri, Nov 14, 2008 at 11:18:28AM +0800, Andiry Xu wrote:
> 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.
>
> Signed-off-by: Andiry Xu <andiry.xu@xxxxxxx>
> Signed-off-by: Libin Yang <libin.yang@xxxxxxx>

Care to add the "Reported-by:" and "Tested-by:" lines for the people who
helped bring this to your attention and resend it?

thanks,

greg k-h
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