iommu: Add iova and size as parameters in iotlb_sync_map
authorYong Wu <yong.wu@mediatek.com>
Thu, 7 Jan 2021 12:29:04 +0000 (20:29 +0800)
committerWill Deacon <will@kernel.org>
Wed, 27 Jan 2021 12:32:26 +0000 (12:32 +0000)
commit2ebbd25873cef06f739489fd8ff9f707a3dfa2fa
tree1740375c71f22f2ccb80fc1713d86e641f5bbe5f
parentd8c1df02ac7f2c802a9b2afc0f5c888c4217f1d5
iommu: Add iova and size as parameters in iotlb_sync_map

iotlb_sync_map allow IOMMU drivers tlb sync after completing the whole
mapping. This patch adds iova and size as the parameters in it. then the
IOMMU driver could flush tlb with the whole range once after iova mapping
to improve performance.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210107122909.16317-3-yong.wu@mediatek.com
Signed-off-by: Will Deacon <will@kernel.org>
drivers/iommu/iommu.c
drivers/iommu/tegra-gart.c
include/linux/iommu.h