Re: [PATCH] mmc/sdio: remember new card RCA when redetecting card

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Hi Nico, thanks for the quick reply,

On Wed, Mar 02 2011, Nicolas Pitre wrote:
> No, I have nothing better to suggest at the moment.

Okay.  I'll add a comment explaining what's going on.

>> And, just to check we're all on the same page, this would be a
>> regression introduced back at 2.6.32 when the "oldcard" handling
>> was first merged, so it should be sent up with a stable tag.
>
> Depends how you define a regression.  If the "oldcard" handling always 
> screwed up the rca, then it simply never was right, hence it is hard to 
> claim it worked better before. Probably this just worked so far by luck, 
> or those cards tested with this code don't change their rca.

Yes, it's never been right under the "oldcard" handling which was merged
in 2.6.32.  I agree with your guesses on why it wasn't noticed before.

>> (I'm not yet sure whether I want to send this to mainline during the
>> last week of a release and without any previous testing, given that
>> the bug is more than a year old already.  Let's see what Nico says.)
>
> I'd queue this for the next merge window only, and not risk introducing 
> a real regression in v2.6.38 at the last moment by making things worse 
> somehow.

Thanks, that exactly matches my intuition on what to do.  I'll push it
to mmc-next now and add a stable@ tag.

- Chris.
-- 
Chris Ball   <cjb@xxxxxxxxxx>
One Laptop Per Child
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