Re: [PATCH] libata: share PIO limits among devices sharing a channel

[Tejun Heo <htejun@gmail.com>]

Alan wrote:
>>>> NAK, this is totally wrong
>> Eek.. You actually said this is/was documented and relied upon all over.
>>
>> http://thread.gmane.org/gmane.linux.ide/13184/focus=14486
> 
> What I said (well tried to say since it was apparently vague and caused
> confusion) was relied upon was the hardware being in PIO0 during probe
> (because we don't call the PIO setup methods during probe/reset) and that
> we decide which modes both devices are using *before* we set either of
> them (which the current code appears to do correctly). This is because
> the device may need to know both to apply limits - such as merging
> address setup time.

I see.

>>> I'm curious what the motivation of this patch was?
>> Hope my intentions are explained.
> 
> Yep. I think it's a simple case of confusion about the meaning of an
> email.

Okay, then.  We can just ignore this whole thread.  Thanks for clarifying.

-- 
tejun