[Quantal SRU][Raring SRU] SATA bug fixes

[Luis Henriques]

On Fri, Apr 12, 2013 at 05:37:23AM +0000, Zhang, Xiong Y wrote:
> One customer report a installation failure on Haswell based platform which DVD can't be recognized. this patch used to solve it.
> The patch is included in upstream 3.9-rc6. Please consider to backport it to Ubuntu 12.04.2, 12.10 and 13.04
> 
> commit b55f84e2d527182e7c611d466cd0bb6ddce201de
> Author: Youquan Song <youquan.song at intel.com>
> Date:   Wed Mar 6 10:49:05 2013 -0500
> 
>     ata_piix: Fix DVD not dectected at some Haswell platforms
> 
>     There is a quirk patch 5e5a4f5d5a08c9c504fe956391ac3dae2c66556d
>     "ata_piix: make DVD Drive recognisable on systems with Intel Sandybridge
>      chipsets(v2)" fixing the 4 ports IDE controller 32bit PIO mode.
> 
>     We've hit a problem with DVD not recognized on Haswell Desktop platform which
>     includes Lynx Point 2-port SATA controller.
> 
> This quirk patch disables 32bit PIO on this controller in IDE mode.

Since this patch is tagged for stable, it will hit Ubuntu kernels really
soon, in our regular upstream stable updates.  It is currently queued
for 3.5.y (Quantal) and 3.8.y (Raring), and should be also included in
3.2.y (Precise).

Cheers,
--
Luis