From 4aa806b771d16b810771d86ce23c4c3160888db3 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Wed, 26 Jun 2013 13:49:44 +0100
Subject: [PATCH] DMA-API: provide a helper to set both DMA and coherent DMA
 masks

Provide a helper to set both the DMA and coherent DMA masks to the
same value - this avoids duplicated code in a number of drivers,
sometimes with buggy error handling, and also allows us identify
which drivers do things differently.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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