linux-kernel - Re: [PATCH] fix mmc hang during boot on socfpga

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Date:	Thu, 11 Sep 2014 11:14:11 +0900
From:	Jaehoon Chung <jh80.chung@...sung.com>
To:	Pavel Machek <pavel@...x.de>, Olof Johansson <olof@...om.net>
Cc:	Seungwon Jeon <tgih.jun@...sung.com>,
	Chris Ball <chris@...ntf.net>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Marek Vašut <marex@...x.de>
Subject: Re: [PATCH] fix mmc hang during boot on socfpga

Hi, Pavel.

On 09/10/2014 05:56 AM, Pavel Machek wrote:
> On Tue 2014-09-09 10:32:14, Olof Johansson wrote:
>> On Tue, Sep 9, 2014 at 5:19 AM, Pavel Machek <pavel@....cz> wrote:
>>>
>>> Without this patch, boot hangs when trying to mount root filesystem on
>>> socfpga platform in about 50% cases.
>>
>> I think this should have a better description than this -- this is too
>> vague. Did it use to always work, is this a new failure? You enable
>> some more error checking and improved stop handling, why was the
>> previous one inadequate on this platform?
> 
> I don't think it ever worked reliably. I don't know what is different
> for socfpga, or if it is broken on other platforms, too. I have two
> socfpga boards here, but no other dw_mmc board.

I didn't know what error is occurred at your board. But i guess it looks like HLE error, right?
Or you can share how booting is failed. than i think we can discuss more detailedly about your problem.


Best Regards,
Jaehoon Chung

> 
> Patch was separated from rocketboards.org repository.
> 
> Hope this helps,
> 
> 									Pavel
> 

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