From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Fri, 10 Jul 2009 01:05:01 +0000 (+0900)
Subject: x86, IA64, powerpc: add phys_to_dma() and dma_to_phys()
X-Git-Tag: v2.6.32-rc1~727^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d4f5339d1ee4027c07e6b2a1cfa9dc41b0d383b;p=pandora-kernel.git

x86, IA64, powerpc: add phys_to_dma() and dma_to_phys()

This adds two functions, phys_to_dma() and dma_to_phys() to x86, IA64
and powerpc. swiotlb uses them. phys_to_dma() converts a physical
address to a dma address. dma_to_phys() does the opposite.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>
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