linux-kernel - Re: [PATCH v2 1/2] mmc/host/rtsx: Configure SD_CFG2 register in sd_rw

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Message-ID: <87ip91f1zo.fsf@octavius.laptop.org>
Date:	Mon, 19 Nov 2012 21:21:31 -0500
From:	Chris Ball <cjb@...top.org>
To:	<wei_wang@...lsil.com.cn>
Cc:	<sameo@...ux.intel.com>, <devel@...uxdriverproject.org>,
	<linux-kernel@...r.kernel.org>, <linux-mmc@...r.kernel.org>,
	<gregkh@...uxfoundation.org>, <arnd@...db.de>, <oakad@...oo.com>,
	<bp@...en8.de>
Subject: Re: [PATCH v2 1/2] mmc/host/rtsx: Configure SD_CFG2 register in sd_rw_multi

Hi,

Sorry to be pedantic, but:

On Mon, Nov 19 2012, wei_wang@...lsil.com.cn wrote:
> For Realtek card reader, internal regsiter SD_CFG2 should be configured
> before transferring data. In the prior version, the value of this register
> has been calculated, but forgotten to write back to the internal register.

With what consequences?  Was the  data transfer failing?  Under which
circumstances?

Thanks,

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