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powerpc/dma: Fix dma_iommu_dma_supported compare
authorNishanth Aravamudan <nacc@us.ibm.com>
Wed, 15 Sep 2010 08:05:45 +0000 (08:05 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 13 Oct 2010 05:19:21 +0000 (16:19 +1100)
The table offset is in entries, each of which imply a dma address of
an IOMMU page.

Also, we should check the device can reach the whole IOMMU table.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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