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
, 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
> Sent: Tuesday, February 01, 2011 1:41 AM
> To: Nicolas Pitre
> Cc: Tomoya MORINAGA; Toshiharu Okada; Manabu Miyata; Takahiro
> Shimizu; linux-mmc@vger.kernel.org
> Subject: Re: A MMC card transfer issue
>
--
To unsubscribe from this list: send the line "unsubscribe linux-
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
ite an
> EXCEPTION.
> The bad news is things don't work all the time. Let me think how we could go
> into 1 bit mode.
> Let me post something to the mmc/ list on this -- Nico has good good ideas
> on how to do things like
> this in the mmc/core layer.
>
> Philip
>
&
com;
> Toshiharu Okada
> Subject: Re: A MMC card transfer issue
>
>
> There is no good answer.
>
> Doing this patch for 2.6.20 or so a long time ago had
> problems because some controllers did not work. The failures
> were equally unpleasant.
>
> The failure
@marvell.com]
>> Sent: Thursday, January 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 ca
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.
>
> On Jan
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 ?
>>
>> MMC_CAP_
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
Original Message-
>> From: Chris Ball [mailto:c...@laptop.org]
>> Sent: 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
.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:
> >
> > For 1 bit transcend cards you need these 2 patches.
> >
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, 201
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
> Date: Wed, 15 Dec 2010 08:14:24 +0100
> Subject: [PATCH] mmc: Test bus-width
For 1 bit transcend cards you need these 2 patches.
>From 22113efd00491310da802f3b1a9a66cfcf415fac Mon Sep 17 00:00:00 2001
From: Aries Lee
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 bits the driver trie
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 t
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-
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
> it;a=blob;f=drivers/mmc/core/mmc.c;h=16006ef153fe081c2f0
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 m
>> Hi Park,
>>
>> How's the issue going ?
>>
>> With best regards.
>> ---
>> Tomoya MORINAGA
>> OKI SEMICONDUCTOR CO., LTD.
>> - Original Message -----
>> From: "Tomoya MORINAGA"
>> To: "Kyungmin Park&quo
Hi Park,
How's the issue going ?
With best regards.
---
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.
- Original Message -
From: "Tomoya MORINAGA"
To: "Kyungmin Park"
Cc: ; "Andrew"" ;
;
Sent: Thursday, November 11, 2010 11:59 AM
Subject: R
bus_width);
err = 0;
} else {
mmc_set_bus_width(card->host, bus_width);
}
}
#endif //10
--
Thanks,
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.
- Original Message -
From: "Kyungmin Park"
To: "Tomoya MORINAGA"
Cc: ; ; "Andrew""
Hi Park,
Thank you for your information.
I will try it soon.
Thanks,
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.
- Original Message -
From: "Kyungmin Park"
To: "Tomoya MORINAGA"
Cc: ; ; "Andrew""
;
Sent: Tuesday, November 09, 2010 2:53 PM
Sub
2010/11/9 Tomoya MORINAGA :
> 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
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