Re: [PATCH] mmc: dw_mmc: Wait for data transfer after response errors

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Alim,

On Tue, May 26, 2015 at 11:02 AM, Alim Akhtar <alim.akhtar@xxxxxxxxx> wrote:
> Hi Doug,
> On peach-pi, I got a hung task once in 4 cold boot as [1].

OK, I'll have to get my peach-pi or peach-pit up and running again.  I
ran out of desk space and I haven't gotten it set back up.  :(

I've been testing on an rk3288-based device.  Past experience has
taught me that the rk3288 dw_mmc works differently than the exynos
one, so perhaps this is a difference.

Could you possibly patch in something like
<https://chromium-review.googlesource.com/#/c/244347/> and provide the
console for the failure?  I'll put it on my list to try this myself,
too


> I was checking on v4.1-rc5, git hash as below:
>
> 862e58a mmc: dw_mmc: Wait for data transfer after response errors
> ba155e2 Linux 4.1-rc5
> 5b13966
>
> Not sure if I missed any dependent patch??

I'm currently testing out of tree, but my dw_mmc is very close to mainline.


> Have not checked the dw TRM for this change, will do that as soon as I
> get access to it.

OK, sounds good.  I have some old version of the DesignWare TRM, so
possibly something is different in the newer one...


-Doug
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