From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [PATCH v2 1/2] mmc/host/rtsx: Configure SD_CFG2 register in sd_rw_multi Date: Mon, 19 Nov 2012 22:09:01 -0500 Message-ID: <87ehjpezsi.fsf@octavius.laptop.org> References: <00fb063304a0720f3ba9db6f79bb67263d450356.1353377266.git.wei_wang@realsil.com.cn> <87ip91f1zo.fsf@octavius.laptop.org> <50AAED8E.4030201@realsil.com.cn> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from void.printf.net ([89.145.121.20]:56836 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752869Ab2KTDJN (ORCPT ); Mon, 19 Nov 2012 22:09:13 -0500 In-Reply-To: <50AAED8E.4030201@realsil.com.cn> (wwang's message of "Tue, 20 Nov 2012 10:40:14 +0800") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: wwang Cc: "sameo@linux.intel.com" , "devel@linuxdriverproject.org" , "linux-kernel@vger.kernel.org" , "linux-mmc@vger.kernel.org" , "gregkh@linuxfoundation.org" , "arnd@arndb.de" , "oakad@yahoo.com" , "bp@alien8.de" 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 - Chris. -- Chris Ball One Laptop Per Child