Re: A MMC card transfer issue

From: Philip Rakity
Date: Tue Jan 18 2011 - 19:59:49 EST



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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