linux-kernel - Re: A MMC card transfer issue

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Date:	Tue, 18 Jan 2011 16:59:32 -0800
From:	Philip Rakity <prakity@...vell.com>
To:	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
CC:	Kyungmin Park <kmpark@...radead.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"andrew.chih.howe.khor@...el.com" <andrew.chih.howe.khor@...el.com>,
	"kok.howg.ewe@...el.com" <kok.howg.ewe@...el.com>
Subject: Re: A MMC card transfer issue


I just looked in the 2.6.37 code and the fix is not there.  It is in the 2.6.37 linus  tree.  

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=drivers/mmc/core/mmc.c;h=16006ef153fe081c2f0f0a09cd4443ce7f3c49a1;hb=a25cecce88194b2edf38b8c3b1665e9318eb2d22

Chris Ball who maintains this should know when it will be pushed upwards.

Philip 
On Jan 18, 2011, at 4:36 PM, Tomoya MORINAGA wrote:

> Hi Philip,
>  
> On Wednesday, December 01, 2010 10:31 AM, Philip Rakity wrote:
> > Thanks very much, I'll plan on sending this to Linus tomorrow, along
> > with the rest of my .37 queue, unless there are any more review
> > comments from anyone.
>  
> We tried to use the MMC card like the following on kernel-2.6.37.
>  
> On Tuesday, November 09, 2010 2:40 PM, Tomoya MORINAGA wrote:
> > I am facing the issue about some MMC cards on Intel EG20T PCH 
> > (Platform Controller Hub).
> > The linux version is 2.6.36.
> > I can not transfer data the MMC cards (e.g. Transcned MMC card).
> > The card is 1 bit bus width. And the card is according to MMC 
> > specification V3.x.
> > And the EG20T has a 4 bit bus width capability Linux MMC 
> > standard driver decides the card bus width as 4 bit, if the 
> > MMC specification version is larger than or equal to V4.0 like below.
>  
> However it seems the issue remains to be seen.
> Have you fixed the MMC unrecognized issue in kernel-2.6.37?
>  
> Thanks,
> -----------------------------------------
> Tomoya MORINAGA
> OKI SEMICONDUCTOR CO., LTD.

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