From mboxrd@z Thu Jan  1 00:00:00 1970
From: Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH V1 00/18] mmc: Add Command Queue support
Date: Thu, 9 Mar 2017 10:52:52 +0200
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To: Jaehoon Chung <jh80.chung@samsung.com>, Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc <linux-mmc@vger.kernel.org>, Alex Lemberg <alex.lemberg@sandisk.com>, Mateusz Nowak <mateusz.nowak@intel.com>, Yuliy Izrailov <Yuliy.Izrailov@sandisk.com>, Dong Aisheng <dongas86@gmail.com>, Das Asutosh <asutoshd@codeaurora.org>, Zhangfei Gao <zhangfei.gao@gmail.com>, Dorfman Konstantin <kdorfman@codeaurora.org>, David Griego <david.griego@linaro.org>, Sahitya Tummala <stummala@codeaurora.org>, Harjani Ritesh <riteshh@codeaurora.org>, Venu Byravarasu <vbyravarasu@nvidia.com>, Linus Walleij <linus.walleij@linaro.org>

On 08/03/17 15:27, Jaehoon Chung wrote:
> On 03/08/2017 05:08 PM, Adrian Hunter wrote:
>> On 08/03/17 07:18, Jaehoon Chung wrote:
>>> Hi Adrian,
>>>
>>> On 03/06/2017 06:10 PM, Adrian Hunter wrote:
>>>> Hi
>>>>
>>>> Here are the hardware command queue patches without the software command
>>>> queue patches or sdhci patches.
>>>
>>> I don't see your patches fully yet, but after applied your patches, dwmmc host doesn't work.
>>> So I'm finding what happen in dwmmc controller.
>>> After finding problem, i will share it.
>>> Well,.. maybe i missed something...
>>
>> Thanks for trying these patches.
>>
>> With no host controller yet using CQE, there isn't much changing in this
>> patch set, but bisecting should reveal the first bad commit.
> 
> https://patchwork.kernel.org/patch/9605315/
> 
> It seems that this patch has a problem...Tomorrow i will check in more detail.
> Because I saw the different error logs..
> Sometime occurred the NULL pointer dereference or I/O error..
> 

It looks like that patch is dependent on one of the software command queue
patches that I dropped.