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

Jaehoon Chung
2015-05-27T01:53:12Z

Hi, All.

Thanks for your effort and sorry for late!

On 05/27/2015 05:44 AM, Doug Anderson wrote:
> Alim,
>
> On Tue, May 26, 2015 at 11:02 AM, Alim Akhtar <alim.akhtar@gmail.com> 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 don't test with this..but if needs, i will test.
It needs to fix the Alim's problem.

>
>
>> 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...

Which version do you have? I also need to check the TRM version.

Best Regards,
Jaehoon Chung

>
>
> -Doug
>