From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Fri, 12 Sep 2008 10:42:34 +0000 (+0900)
Subject: iommu: add dma_get_mask helper function
X-Git-Tag: v2.6.28-rc1~712^2^4~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=589fc9a6e2102b498978f6350581ec7fa5aeb032;p=pandora-kernel.git

iommu: add dma_get_mask helper function

Several IOMMUs do the same thing to get the dma_mask of a device. This
adds a helper function to do the same thing to sweep them.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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