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Commit d2499de2 authored by Will Deacon's avatar Will Deacon Committed by Matt Wagantall
Browse files

iommu/arm-smmu: make use of generic LPAE allocator 



The ARM SMMU can walk LPAE page tables, so make use of the generic
allocator.

Change-Id: I7acd0e6c6e8046a4f0497a8fbdba46986192f83f
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Git-commit: 518f7136244c167538f732691be589959310b295
[mitchelh: merge with our changes to domain locking, non-shareable
 page tables, and pte zero'ing, some of which will need to be added
 back now in the generic allocator code]
Signed-off-by: default avatarMitchel Humpherys <mitchelh@codeaurora.org>
parent 18ec9f7a

drivers/iommu/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -317,14 +317,14 @@ config SPAPR_TCE_IOMMU 


config ARM_SMMU

	bool "ARM Ltd. System MMU (SMMU) Support"

	depends on ARM64 || (ARM_LPAE && OF)

	depends on ARM64 || ARM

	select IOMMU_API

	select IOMMU_IO_PGTABLE_LPAE

	select ARM_DMA_USE_IOMMU if ARM

	select ARM64_DMA_USE_IOMMU if ARM64

	help

	  Support for implementations of the ARM System MMU architecture

	  versions 1 and 2. The driver supports both v7l and v8l table

	  formats with 4k and 64k page sizes.

	  versions 1 and 2.



	  Say Y here if your SoC includes an IOMMU device implementing

	  the ARM SMMU architecture.

drivers/iommu/arm-smmu.c

+260 −798

File changed.

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