Re: [PATCH v2 0/4] ata port runtime power management support

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On Thu, Nov 10, 2011 at 16:30, Tejun Heo <tj@xxxxxxxxxx> wrote:
> On Thu, Nov 10, 2011 at 02:22:42PM +0800, Lin Ming wrote:

>> v2 changes it to:
>>
>>         /sys/devices/pci0000:00/0000:00:1f.2    (ahci controller)
>>         |-- ata1                                (ata port)
>>             |-- host0                           (scsi host)
>>                 |-- target0:0:0                 (scsi target)
>>                     |-- 0:0:0:0                 (disk)
>>
>> So ata port runtime PM will happen as:

>> This is much cleaner and natural.
>
> Yeah, I really like this approach.  Nicely done.  I *think* the
> hierarchy change should be okay but cc'ing Kay just in case.

Looks good to me. All non-broken users of sysfs should be fine and
cope with changes like this without any problem.

Kay
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