Re: [Update][PATCH 3/3] ACPI / dock / PCI: Synchronous handling ofdock events for PCI devices

[Yinghai Lu]

On Sun, Jun 23, 2013 at 5:40 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> On Sunday, June 23, 2013 04:04:52 PM Yinghai Lu wrote:
>> On Sun, Jun 23, 2013 at 2:42 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
...
>> > Ah, I overlooked the fact that each dock station is on its own dependent_list
>> > and can also be on another dock station's dependent_list.  I'm not sure if that
>> > makes sense, but let's not break the backwards compatibility here.
>>
>> wonder if dock_release_hotplug with second dock_station and dd will
>> have problem.
>>
>> as first one dock_station/dd, could have hp_context release already,
>> then second one could all release(context) again....
>>
>> so looks like dock_release_hotplug should go over dock_station/dd list
>> to clear hp_context in other dock_station/... if they are the same?
>
> I'm not sure what you mean.  They are different dependent_device objects
> and each of them has its own context pointer, although they both will point to
> the same thing.
>
> Both "init" and "release" will be called for each of them individually which
> for for acpiphp (which is the only user of that ATM) actually means "get" and
> "put", so it should be OK.

yes, then hp_context can never be  the same, just the acpi handle is the same.

Acked-by: Yinghai Lu <yinghai@xxxxxxxxxx>

BTW, thank you very much for the whole acpi scan rework.

Yinghai
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