From 56f55f8b58a02e95b401cb50df05086cabeaeeb5 Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Thu, 25 Sep 2008 20:59:12 +0100
Subject: [PATCH] [ARM] dma: provide a better dma_map_page() implementation

We can translate a struct page directly to a DMA address using
page_to_dma().  No need to use page_address() followed by
virt_to_dma().

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