linux-kernel - RE: A MMC card transfer issue

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Message-ID: <0F933C1424BF45E3BD2E13358BD3C89E@hacdom.okisemi.com>
Date:	Thu, 27 Jan 2011 10:31:13 +0900
From:	"Tomoya MORINAGA" <tomoya-linux@....okisemi.com>
To:	"'Philip Rakity'" <prakity@...vell.com>
Cc:	"'Chris Ball'" <cjb@...top.org>,
	"'Kyungmin Park'" <kmpark@...radead.org>,
	<linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<andrew.chih.howe.khor@...el.com>, <kok.howg.ewe@...el.com>,
	"'Toshiharu Okada'" <toshiharu-linux@....okisemi.com>
Subject: RE: A MMC card transfer issue

Hi Philip,

> which MMC driver are you using.
Could you teach me how to get the information ?

> you need to have the driver or the low level code enable this QUIRK.
BTW, Is the above permanent treatment?
I think modifying kernel source code isn't preferred.

Thanks,
-----------------------------------------
Tomoya MORINAGA
OKI SEMICONDUCTOR CO., LTD.

> -----Original Message-----
> From: Philip Rakity [mailto:prakity@...vell.com] 
> Sent: Thursday, January 27, 2011 10:04 AM
> To: Tomoya MORINAGA
> Cc: Chris Ball; 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
> 
> 
> 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_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 must modify something kernel source code ?
> > 
> > Thanks,
> > -----------------------------------------
> > Tomoya MORINAGA
> > OKI SEMICONDUCTOR CO., LTD.
> > 
> 

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