linux-kernel - Re: A MMC card transfer issue

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Message-ID: <D8E7AFC5-6B9E-414E-81A8-292FCD2F6E3C@marvell.com>
Date:	Wed, 26 Jan 2011 07:42:07 -0800
From:	Philip Rakity <prakity@...vell.com>
To:	Tomoya MORINAGA <tomoya-linux@....okisemi.com>
CC:	Chris Ball <cjb@...top.org>, 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


Did you define the CAP for BUS WIDTH ? 

MMC_CAP_BUS_WIDTH_TEST 

in the driver or the platform driver ?

Philip


On Jan 26, 2011, at 12:28 AM, Tomoya MORINAGA wrote:

> On Thursday, January 20, 2011 2:43 AM, Chris Ball wrote
>> So, please re-test against 2.6.38-rc1 and let us know whether 
>> you still have problems.  Thanks,
> I have tested the latest "2.6.38-rc2".
> However, the issue remains to be seen.
> 
> Thanks in advance,
> -----------------------------------------
> Tomoya MORINAGA
> OKI SEMICONDUCTOR CO., LTD.
> 
>> -----Original Message-----
>> From: Chris Ball [mailto:cjb@...top.org] 
>> Sent: Thursday, January 20, 2011 2:43 AM
>> To: Philip Rakity
>> Cc: Tomoya MORINAGA; Kyungmin Park; 
>> linux-mmc@...r.kernel.org; linux-kernel@...r.kernel.org; 
>> andrew.chih.howe.khor@...el.com; kok.howg.ewe@...el.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 <arieslee@...cron.com>
>>> Date: Wed, 15 Dec 2010 08:14:24 +0100
>>> Subject: [PATCH] mmc: Test bus-width for old MMC devices
>> 
>> Present in 2.6.38-rc1.
>> 
>>>> From 08c82dfad2458f8f9b83126224a85e7ea9e2b046 Mon Sep 17 00:00:00 
>>>> 2001
>>> From: Takashi Iwai <tiwai@...e.de>
>>> Date: Wed, 22 Dec 2010 09:59:44 +0100
>>> Subject: [PATCH] mmc: fix mmc_set_bus_width_ddr() call without 
>>> bus-width-test cap
>> 
>> Also present in 2.6.38-rc1.
>> 
>> So, please re-test against 2.6.38-rc1 and let us know whether 
>> you still have problems.  Thanks,
>> 
>> -- 
>> Chris Ball   <cjb@...top.org>   <http://printf.net/>
>> One Laptop Per Child
>> 
> 

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