Revert "iommu/arm-smmu: Convert to domain_alloc_paging()"

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This reverts commit 9b3febc3a3 ("iommu/arm-smmu: Convert to
domain_alloc_paging()"). It breaks Qualcomm MSM8996 platform. Calling
arm_smmu_write_context_bank() from new codepath results in the platform
being reset because of the unclocked hardware access.

Fixes: 9b3febc3a3 ("iommu/arm-smmu: Convert to domain_alloc_paging()")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20240213-iommu-revert-domain-alloc-v1-1-325ff55dece4@linaro.org
Signed-off-by: Will Deacon <will@kernel.org>

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Dmitry Baryshkov 2024-02-13 13:31:56 +02:00 • committed by Will Deacon

parent 41bccc98fb

commit b419c5e2d9

1 changed files with 6 additions and 11 deletions

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drivers/iommu/arm/arm-smmu/arm-smmu.c

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