From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: Fri, 25 Mar 2011 06:06:19 +0000 (+0900)
Subject: mmc: fix mmc_app_send_scr() for dma transfer
X-Git-Tag: v2.6.39-rc1~1^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f665cb614b8a258b507cc47753dd3f7dd45aac6;p=pandora-kernel.git

mmc: fix mmc_app_send_scr() for dma transfer

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 this subroutine also needs a kmalloc buffer.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

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