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Commit bbfad408 authored by Patrick Daly's avatar Patrick Daly
Browse files

iommu: arm-smmu: Remove duplicate tlb_sync call 



TLB sync is already being done in arm_smmu_tlb_inv_context_s1,
which is called at the end of all unmap calls.

Change-Id: I89929187a96816eecdd45d380af3a69515105b3e
Signed-off-by: default avatarPatrick Daly <pdaly@codeaurora.org>
parent e593b48b

drivers/iommu/arm-smmu.c

+0 −10
Original line number Diff line number Diff line
@@ -3021,14 +3021,6 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova, 
	return ret;

}



static void arm_smmu_iotlb_sync(struct iommu_domain *domain)

{

	struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);



	if (smmu_domain->tlb_ops)

		smmu_domain->tlb_ops->tlb_sync(smmu_domain);

}



#define MAX_MAP_SG_BATCH_SIZE (SZ_4M)

static size_t arm_smmu_map_sg(struct iommu_domain *domain, unsigned long iova,

			   struct scatterlist *sg, unsigned int nents, int prot)
@@ -4000,8 +3992,6 @@ static struct iommu_ops arm_smmu_ops = { 
	.map			= arm_smmu_map,

	.unmap			= arm_smmu_unmap,

	.map_sg			= arm_smmu_map_sg,

	.flush_iotlb_all	= arm_smmu_iotlb_sync,

	.iotlb_sync		= arm_smmu_iotlb_sync,

	.iova_to_phys		= arm_smmu_iova_to_phys,

	.iova_to_phys_hard	= arm_smmu_iova_to_phys_hard,

	.add_device		= arm_smmu_add_device,