, March 22, 2011 5:31 PM
To: Philip Rakity; 'Nicolas Pitre'
Cc: 'Toshiharu Okada'; linux-mmc@vger.kernel.org
Subject: RE: A MMC card transfer issue
Hi Philip
Still we can see the issue in 2.6.38(The latest kernel).
In 2.6.38, is this issue resolved ?
With Best Regards
Hi Philip,
On Thursday, March 24, 2011 11:19 PM, Philip Rakity wrote:
I think the solution is to try to rad the CSD if bus test
fails. If CSD read fails then lower bus width until it
passes. Not had time to work on this yet. On my list of
things to do.
OK.
Do you have fixed schedule
31, 2011 6:49 AM
To: Tomoya MORINAGA
Cc: Toshiharu Okada; Manabu Miyata; Takahiro Shimizu
Subject: Re: A MMC card transfer issue
Back to the beginning ..
We also discovered that having a SD controller that supports
8 bit data and a board design that does not -- does not all
the 8 bit card
On Mon, 31 Jan 2011, Philip Rakity wrote:
The transcend mmc card does not have the PHYSICAL pins for 4 bit mode; only 1
bit can be supported.
Testing the bus width is the recommend way to find out the bus width. The
current behavior when the
QUIRK is not defined is to default to 4 bit
...@intel.com; kok.howg@intel.com
Subject: Re: A MMC card transfer issue
Hi,
On Tue, Jan 18, 2011 at 10:05:04PM -0800, Philip Rakity wrote:
For 1 bit transcend cards you need these 2 patches.
From 22113efd00491310da802f3b1a9a66cfcf415fac Mon Sep 17 00:00:00
2001
From: Aries Lee aries
: Thursday, January 20, 2011 2:43 AM
To: Philip Rakity
Cc: Tomoya MORINAGA; Kyungmin Park;
linux-mmc@vger.kernel.org; linux-ker...@vger.kernel.org;
andrew.chih.howe.k...@intel.com; kok.howg@intel.com
Subject: Re: A MMC card transfer issue
Hi,
On Tue, Jan 18, 2011 at 10:05:04PM -0800
Hi Philip,
On Thursday, January 27, 2011 12:42 AM, Philip Rakity wrote:
Did you define the CAP for BUS WIDTH ?
MMC_CAP_BUS_WIDTH_TEST
in the driver or the platform driver ?
Let me make the above meaning clear.
I don't modify kernel source code drivers/mmc at all
Is the above mean I
yes
you need to have the driver or the low level code enable this QUIRK.
which mmc driver are you using.
On Jan 26, 2011, at 5:00 PM, Tomoya MORINAGA wrote:
Hi Philip,
On Thursday, January 27, 2011 12:42 AM, Philip Rakity wrote:
Did you define the CAP for BUS WIDTH ?
;
andrew.chih.howe.k...@intel.com; kok.howg@intel.com
Subject: Re: A MMC card transfer issue
yes
you need to have the driver or the low level code enable this QUIRK.
which mmc driver are you using.
On Jan 26, 2011, at 5:00 PM, Tomoya MORINAGA wrote:
Hi Philip,
On Thursday, January
: Chris Ball; Kyungmin Park; linux-mmc@vger.kernel.org;
linux-ker...@vger.kernel.org;
andrew.chih.howe.k...@intel.com; kok.howg@intel.com
Subject: Re: A MMC card transfer issue
yes
you need to have the driver or the low level code enable this QUIRK.
which mmc driver are you using
27, 2011 10:04 AM
To: Tomoya MORINAGA
Cc: Chris Ball; Kyungmin Park; linux-mmc@vger.kernel.org;
linux-ker...@vger.kernel.org; andrew.chih.howe.k...@intel.com;
kok.howg@intel.com
Subject: Re: A MMC card transfer issue
yes
you need to have the driver or the low level code
Hi,
On Tue, Jan 18, 2011 at 10:05:04PM -0800, Philip Rakity wrote:
For 1 bit transcend cards you need these 2 patches.
From 22113efd00491310da802f3b1a9a66cfcf415fac Mon Sep 17 00:00:00 2001
From: Aries Lee aries...@jmicron.com
Date: Wed, 15 Dec 2010 08:14:24 +0100
Subject: [PATCH] mmc:
:43 AM
To: Philip Rakity
Cc: Tomoya MORINAGA; Kyungmin Park;
linux-mmc@vger.kernel.org; linux-ker...@vger.kernel.org;
andrew.chih.howe.k...@intel.com; kok.howg@intel.com
Subject: Re: A MMC card transfer issue
Hi,
On Tue, Jan 18, 2011 at 10:05:04PM -0800, Philip Rakity wrote
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
Hi Chris,
On Wednesday, January 19, 2011 10:00 AM, Philip Rakity wrote:
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.g
On Wed, Jan 19, 2011 at 10:29:21AM +0900, Tomoya MORINAGA wrote:
On Wednesday, January 19, 2011 10:00 AM, Philip Rakity wrote:
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.g
Chris,
transcend card is 1 bit card. Requires bus_width patches.
Philip
On Jan 18, 2011, at 5:41 PM, Chris Ball wrote:
On Wed, Jan 19, 2011 at 10:29:21AM +0900, Tomoya MORINAGA wrote:
On Wednesday, January 19, 2011 10:00 AM, Philip Rakity wrote:
I just looked in the 2.6.37 code and the
For 1 bit transcend cards you need these 2 patches.
From 22113efd00491310da802f3b1a9a66cfcf415fac Mon Sep 17 00:00:00 2001
From: Aries Lee aries...@jmicron.com
Date: Wed, 15 Dec 2010 08:14:24 +0100
Subject: [PATCH] mmc: Test bus-width for old MMC devices
Some old MMC devices fail with the 4/8
-ker...@vger.kernel.org;
linux-mmc@vger.kernel.org
Sent: Thursday, November 11, 2010 11:59 AM
Subject: Re: A MMC card transfer issue
Hi Park,
Though I tried to patch yours to sdhci.c of linux-2.6.36,
but it seems your patch has already patched in linux-2.6.36.
Using this linux, MMC card
11:59 AM
Subject: Re: A MMC card transfer issue
Hi Park,
Though I tried to patch yours to sdhci.c of linux-2.6.36,
but it seems your patch has already patched in linux-2.6.36.
Using this linux, MMC card is not recognized.
Inserting the MMC card, I saw the following erro message
, November 09, 2010 2:53 PM
Subject: Re: A MMC card transfer issue
2010/11/9 Tomoya MORINAGA tomoya-li...@dsn.okisemi.com:
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
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
2010/11/9 Tomoya MORINAGA tomoya-li...@dsn.okisemi.com:
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
; Andrew
andrew.chih.howe.k...@intel.com;
kok.howg@intel.com
Sent: Tuesday, November 09, 2010 2:53 PM
Subject: Re: A MMC card transfer issue
2010/11/9 Tomoya MORINAGA tomoya-li...@dsn.okisemi.com:
I am facing the issue about some MMC cards on Intel EG20T PCH (Platform
Controller Hub
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