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

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Message-ID: <477F20668A386D41ADCC57781B1F70430EA2BD5ECB@SC-VEXCH1.marvell.com>
Date:	Mon, 24 Jun 2013 20:54:15 -0700
From:	Bing Zhao <bzhao@...vell.com>
To:	Doug Anderson <dianders@...omium.org>
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


> 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.

Test #1: Swungwon's patch #1 alone [1]
Test #2: Swungwon's patch #2 alone [1]
Test #3: Swungwon's patch #1 and #2 [1]
Test #4: Doug's original patch [2]

Test #1 and #3: it doesn't work; system reboots due to kernel hung_task
Test #2 and #4: it works; instead of hung_task driver gets CRC error (which is expected)

Thanks,
Bing

[1] https://lkml.org/lkml/2013/4/8/316
[2] https://lkml.org/lkml/2013/3/15/583

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