From e844a7997dfbce687c7afa9d40f8a3b278e08735 Mon Sep 17 00:00:00 2001
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Tue, 16 Dec 2014 13:31:25 +0100
Subject: [PATCH] i2c: sh_mobile: refactor DMA setup

Refactor DMA setup to keep the errno so we can implement better
deferred probe support in the next step.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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