iommu/exynos: Don't read version register on every tlb operation

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This patch removes reading of REG_MMU_VERSION register on every tlb
operation and caches SYSMMU version in driver's internal data.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Marek Szyprowski 2015-05-19 15:20:24 +02:00 • committed by Joerg Roedel

parent d7ef9995f1

commit 512bd0c6cc

1 changed files with 5 additions and 8 deletions

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drivers/iommu/exynos-iommu.c

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