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SubjectRe: [PATCH] libata: remove dead code from libata-acpi.c
On 2013/6/18 2:01, Tejun Heo wrote:
> On Mon, Jun 17, 2013 at 09:50:20AM +0800, Aaron Lu wrote:
>> On 06/15/2013 11:02 AM, Liu Jiang wrote:
>>> From: Liu Jiang <liu97@gmail.com>
>>>
>>> Commit 30dcf76acc69 "libata: migrate ACPI code over to new bindings"
>>> removed ACPI dock notification related code, but there's some dead
>>> code left, so clean up it.
>>
>> I never noticed this, but it looks to be the case...
>>
>> I'm not sure the dock notification code is removed intentionally or
>> mistakenly though, if it is a mistake, then instead of removing the left
>> code here, we probably should add the dock notification code back.
>>
>> But I have no test system or any knowledge about how ata dock works, so
>> I may be wrong :-)
>
> Looks like a regression to me. We're probably locking up on some
> older laptops which connects optical drives with hotpluggable PATA.
> Matthew, can you please fix it?
>
> Thanks.
>
Yeah, Aaron is right. We should restore the dock notification
handler to support ATA hotplug on some IBM laptops.
Regards!
Gerry



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