From: Jerry Huang <Chang-Ming.Huang@freescale.com>
Date: Mon, 16 Jan 2012 06:13:03 +0000 (+0800)
Subject: mmc: esdhc: add PIO mode support
X-Git-Tag: v3.3-rc4~20^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81e499224a7ef02e1889736ebb6b432da1735ab6;p=pandora-kernel.git

mmc: esdhc: add PIO mode support

For some FSL ESDHC controllers (e.g. P2020E, Rev1.0), the SDHC can not
work on DMA mode because of the hardware bug, so we set a broken dma flag
and use PIO mode.

Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Gao Guanhua <B22826@freescale.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

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