linux-kernel - Re: [PATCH] RFC: mmc: dw_mmc: Always go to STATE_DATA_BUSY from STATE_DATA

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Message-ID: <CAD=FV=V6S7FsK+=+7EHDV74=Mw_iWecO2ZxVpVcd=p7ugW-sHA@mail.gmail.com>
Date:	Thu, 20 Jun 2013 20:33:58 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Bing Zhao <bzhao@...vell.com>
Cc:	Seungwon Jeon <tgih.jun@...sung.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Chris Ball <cjb@...top.org>,
	Will Newton <will.newton@...il.com>,
	Ashok Nagarajan <asnagarajan@...omium.org>,
	Paul Stewart <pstew@...omium.org>,
	Olof Johansson <olof@...om.net>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] RFC: mmc: dw_mmc: Always go to STATE_DATA_BUSY from STATE_DATA_ERROR

Bing,

On Tue, Jun 18, 2013 at 1:01 PM, Bing Zhao <bzhao@...vell.com> wrote:
> Hi Doug,
>
>> > I tested Doug's patch on my failing unit.
>> >
>> > Without this patch, mmc got hung_task and rebooted eventually.
>> > With this patch applied, mmc returns CRC error instead of hung_task, and the error is handled
>> gracefully.
>>
>> Have you tried one or both or Seungwon's fixes without mine?
>
> I only tested your original patch. That was several months ago I think.
>
> I still have that unit. Let me know if you want me to try Seungwon's patches.

I think the proposal on the table is to take Seungwon's patches
instead of mine.  Assuming they solve your problems, I'm OK with that.
 I think he was requesting testing the first of his two patches alone
and then both of his two patches together.

Thanks!

-Doug
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