From: Matt Porter <mporter@ti.com>
Date: Thu, 10 Jan 2013 18:41:04 +0000 (-0500)
Subject: dma: edma: fix slave config dependency on direction
X-Git-Tag: v3.9-rc1~80^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=661f7cb55c61fa7491e0caf21e55f59e5bc49abe;p=pandora-kernel.git

dma: edma: fix slave config dependency on direction

The edma_slave_config() implementation depends on the
direction field such that it will not properly configure
a slave channel when called without direction set.

This fixes the implementation so that the slave config
is copied as is and prep_slave_sg() handles the
direction dependent handling. spi-omap2-mcspi and
omap_hsmmc both expose this bug as they configure the
slave channel config from a common path with an unconfigured
direction field.

Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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