From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Ball Subject: Re: [PATCH resend] mmc: fix the mmc_app_send_scr() for dma transfer Date: Fri, 25 Mar 2011 09:20:51 -0400 Message-ID: References: <4D8C30DB.1010007@renesas.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from void.printf.net ([89.145.121.20]:51053 "EHLO void.printf.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752446Ab1CYNYZ (ORCPT ); Fri, 25 Mar 2011 09:24:25 -0400 In-Reply-To: <4D8C30DB.1010007@renesas.com> (Yoshihiro Shimoda's message of "Fri, 25 Mar 2011 15:06:19 +0900") Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Yoshihiro Shimoda Cc: linux-mmc@vger.kernel.org Hi Yoshihiro, On Fri, Mar 25 2011, Yoshihiro Shimoda wrote: > This patch is based on the commit "af51715079e7fb6b290e1881d63d815dc4de5011": > > * Bugfix to that mmc_send_cxd_data() code: dma-to-stack is > unsafe/nonportable, so kmalloc a bounce buffer instead. > > The driver may invalidate the mmc_card->csd when host driver uses dma. > So the subroutine also needs kmalloc buffer. > > Signed-off-by: Yoshihiro Shimoda Thanks for the resend, pushed to mmc-next for .39-rc2. - Chris. -- Chris Ball One Laptop Per Child