[Quantal] pull-request: support for SATA device sleep

[Tim Gardner]

On 09/17/2012 02:39 PM, Tim Gardner wrote:
> On 09/17/2012 02:22 PM, Leann Ogasawara wrote:
>> Hi All,
>>
>> It's been requested we pick up the following patches to provide support
>> for SATA Device Sleep.  I've cherry-picked the first patch, b1354cbb,
>> from upstream which then allowed me to cleanly cherry-pick the next 3
>> patches from the maintainers tree:
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git NEXT
>>
>> I've pushed the entire patch set to the following branch for review.
>> I've requested testing from Tim on AMD hardware.  I've also tested
>> locally on Intel HW and confirm there are no regressions.  For anyone
>> else interested in testing, I've posted my test kernel to the following
>> location:
>>
>> http://people.canonical.com/~ogasawara/lp1032228
>> <http://people.canonical.com/%7Eogasawara/lp1032228>
>>
>> Thanks,
>> Leann
>>
>
> I think we should delay application of patches in bug #1032228 until we
> can get some hard data. One of those patches is pretty intrusive. I'm
> not sure its worth the power savings given the maintenance hassles this
> might create.
>
> rtg
>

Colin - do you have any kit that we can use to measure this patch set ?

-- 
Tim Gardner tim.gardner at canonical.com