Re: [PATCH RFC] ata: Intel IDE-R support

[Tejun Heo <teheo@suse.de>]

Hello, again.

On 08/19/2010 01:22 PM, Tejun Heo wrote:
> On 08/19/2010 12:09 PM, Alan Cox wrote:
>>> what if ata_piix is already compiled in or already loaded but ahci is
>>> not for an ich6 controller?  We have priorities in the drivers, if the
>>> user/admin wants to use the lower priority ones that much, he/she
>>> shall.  This isn't an issue.  There's no way to hotplug intel IDEs
>>> anyway.
>>
>> The PIIX4 in the IBM docking stations is hot plug - and its why I also
>> have to check 0x40 and write it if zero. So the case exists.
> 
> I see.  Most of the problems are solved by driver priority but yeah
> that's an actual corner case.  Driver priority doesn't work unless all
> the matching drivers are loaded by the time driver matching starts, so
> the same problem could happen with pata_acpi depending on probe order
> during normal boot, so pata_acpi should be blacklisted by default.

It seems priority thing can't handle this at all.  So, to the original
patch,

Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun