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

[Kay Sievers]

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

>> This is much cleaner and natural.
>
> Yeah, I really like this approach. ÂNicely done. ÂI *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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