From 69493e0b0a8b5d4a0df7df82bad49ad07ae6921d Mon Sep 17 00:00:00 2001
From: Barry Song <Baohua.Song@csr.com>
Date: Sun, 25 May 2014 17:19:05 +0800
Subject: [PATCH] ata: ep93xx: use dmaengine_prep_slave_sg api instead of
 internal callback

it is better to use generic api instead of calling an internal callback
like channel->device->device_prep_slave_sg().

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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