[Quantal SRU] USB bug fixes

[Tim Gardner]

On 11/29/2012 01:32 AM, Zhao, Yingying wrote:
> These patches are suggested by Sarah Sharp to be backported to older
> kernels like 3.5. So far, upstream stable kernel 3.5.y doesn’t include
> these patches, please consider to include them to Quantal.
>  
> 
>  1. OSVs that backported the command cancellation patches (necessary to
>     avoid a kernel crash on repeated plug/unplug of a VIA hub) should
>     also backport this command cancellation fix:
> 
> 43a09f7 xhci: Fix potential NULL ptr deref in command cancellation.
>  
> 
>  2. OSVs that backported the quirk to fix the "dead ports" issue on HP
>     IVB/PPT systems (commit 71c731a296f1b08a3724bd1b514b64f1bda87a23
>     "usb: host: xhci: Fix Compliance Mode on SN65LVPE502CP Hardware")
>     should also pick up this patch to extend the quirk to new HP system
>     models:
> 
> 4708097 usb: host: xhci: New system added for Compliance Mode Patch on
> SN65LVPE502CP
>  
> 
>  3. USB3 Link Power Management (LPM) was included in Quantal, and these
>     patches are the bug fixes for LPM:
> 
> d01f87c Enable LPM after a failed probe
> ae8963a usb: Don't enable LPM if the exit latency is zero.
> 65a95b7 usb: Send Set SEL before enabling parent U1/U2 timeout.
> 966e7a8 xhci: endianness xhci_calculate_intel_u2_timeout
> 16b45fd xhci: fix integer overflow
>  
>  
> Thanks,
> Yingying
>  
>  
> 
> 

Yingying - all of these patches made it into 3.5.7.1 stable. All are
committed to Quantal master-next.

rtg
-- 
Tim Gardner tim.gardner at canonical.com