Commit 518f7136 authored by Will Deacon's avatar Will Deacon
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.

Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent c896c132

arch/arm64/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -349,7 +349,6 @@ config ARM64_VA_BITS_42 


config ARM64_VA_BITS_48

	bool "48-bit"

	depends on !ARM_SMMU



endchoice

drivers/iommu/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -330,13 +330,13 @@ 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

	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

+263 −623

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