iommu/tegra-smmu: Store struct page pointer for page tables

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Store the struct page pointer for the second level page tables, rather
than working back from the page directory entry.  This is necessary as
we want to eliminate the use of physical addresses used with
arch-private functions, switching instead to use the streaming DMA API.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>

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Russell King 2015-07-27 13:29:26 +01:00 • committed by Thierry Reding

parent 0b42c7c113

commit 853520fa96

1 changed files with 17 additions and 10 deletions

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drivers/iommu/tegra-smmu.c

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