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

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Message-ID: <87ehjpezsi.fsf@octavius.laptop.org>
Date:	Mon, 19 Nov 2012 22:09:01 -0500
From:	Chris Ball <cjb@...top.org>
To:	wwang <wei_wang@...lsil.com.cn>
Cc:	"sameo\@linux.intel.com" <sameo@...ux.intel.com>,
	"devel\@linuxdriverproject.org" <devel@...uxdriverproject.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mmc\@vger.kernel.org" <linux-mmc@...r.kernel.org>,
	"gregkh\@linuxfoundation.org" <gregkh@...uxfoundation.org>,
	"arnd\@arndb.de" <arnd@...db.de>,
	"oakad\@yahoo.com" <oakad@...oo.com>,
	"bp\@alien8.de" <bp@...en8.de>
Subject: Re: [PATCH v2 1/2] mmc/host/rtsx: Configure SD_CFG2 register in sd_rw_multi

Hi,

On Mon, Nov 19 2012, wwang wrote:
> It's about compatibility issue. The default value of SD_CFG2 is proper
> for writing data. But for reading sequence, the timing is not good
> enough. So in some extreme circumstance,  card reader may sample the
> response data from the card as good even if the data is wrong. And
> this will cause the bad consequence.
>
> Shall I modify the commit and resend the patchset again?

Thanks!  Yes, please resend.

I won't be merging this one because Samuel is merging the initial
patchset, but I'll merge patches for the MMC side after 3.8.  For these:

Acked-by: Chris Ball <cjb@...top.org>

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