linux-kernel - Re: [PATCH v2] mmc: Add support for JMicron 388 SD/MMC controller

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Date:	Thu, 9 Dec 2010 01:38:43 +0000
From:	Chris Ball <cjb@...top.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Aries Lee <arieslee@...cron.com>,
	Wolfram Sang <w.sang@...gutronix.de>
Subject: Re: [PATCH v2] mmc: Add support for JMicron 388 SD/MMC controller

Hi Takashi,

On Wed, Dec 08, 2010 at 10:04:30AM +0100, Takashi Iwai wrote:
> JMicron 388 SD/MMC combo controller supports the 1.8V low-voltage for
> SD, but MMC doesn't work with the low-voltage, resulting in an error
> at probing.
> 
> This patch adds the support for multiple voltage mask per device type,
> so that SD works with 1.8V while MMC forces 3.3V.  Here new ocr_avail_*
> fields for each device are introduced, so that the actual OCR mask is
> switched dynamically.
> 
> Also, the restriction of low-voltage in core/sd.c is removed when the
> bit is allowed explicitly via ocr_avail_sd mask.
> 
> This patch was rewritten from scratch based on Aries' original code.
> 
> Signed-off-by: Aries Lee <arieslee@...cron.com>
> Signed-off-by: Takashi Iwai <tiwai@...e.de>

Looks good, pushed to mmc-next for .38.  Thanks!

-- 
Chris Ball   <cjb@...top.org>   <http://printf.net/>
One Laptop Per Child
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