iommu: add dma_get_mask helper function

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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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FUJITA Tomonori 2008-09-12 19:42:34 +09:00 • committed by Ingo Molnar

parent eecfffc154

commit 589fc9a6e2

1 changed files with 7 additions and 0 deletions

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include/linux/dma-mapping.h

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