linux-kernel - Re: mmc sdhci mmcblk0: error -110 sending status command, retrying

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Date:	Wed, 8 Feb 2012 11:09:26 -0800
From:	Philip Rakity <prakity@...vell.com>
To:	Jeff Chua <jeff.chua.linux@...il.com>
CC:	Jaehoon Chung <jh80.chung@...sung.com>,
	Chris Ball <cjb@...top.org>, Pierre Ossman <pierre@...man.eu>,
	lkml <linux-kernel@...r.kernel.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"arindam.nath@....com" <arindam.nath@....com>,
	"zhangfei.gao@...il.com" <zhangfei.gao@...il.com>
Subject: Re: mmc sdhci mmcblk0: error -110 sending status command, retrying



Jeff,

I think the sdhci.c clock setting code was changed a while ago.   Maybe revert that mod and see what happens.

The card is a 24MHz which is rather slow so I would be surprised if that was it. 
The other option is the force enable the High Speed bit in the  controller (used when speed is 25MHz or faster).  Will give the system more time (in theory) to work.  

Philip

On Feb 7, 2012, at 5:09 PM, Jeff Chua wrote:

> On Wed, Feb 8, 2012 at 7:45 AM, Jaehoon Chung <jh80.chung@...sung.com> wrote:
>> On 02/08/2012 03:33 AM, Jeff Chua wrote:
> 
> I tried a Class6 8GB and after a few inserts, it could read without
> errors. The Class10 seems to be more sensitive to speed.
> 
> Jeff

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