Re: [PATCH 0/3] ata port runtime power management support

Tejun Heo
2011-11-03T14:59:24Z

Hello,

On Thu, Nov 3, 2011 at 7:47 AM, Lin Ming <ming.m.lin@intel.com> wrote:
>> > There will be ACPI firmware which supports ata port runtime D3Cold.
>> > To enable ata port runtime PM is the first step.
>>
>> libata can already turn off unused ports although it wouldn't go as
>> far as putting the whole controller into D3.
>
> At runtime?

Nope, I meant unoccupied (no device attached). IIRC it's part of the LPM code.

--
tejun