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Commit 857c88ca authored by Robin Murphy's avatar Robin Murphy Committed by Will Deacon
Browse files

iommu/arm-smmu: Remove arm_smmu_flush_pgtable() 



With the io-pgtable code now enforcing its own appropriate sync points,
the vestigial flush_pgtable callback becomes entirely redundant, so
remove it altogether.

Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 4103d662

drivers/iommu/arm-smmu-v3.c

+0 −10
Original line number Diff line number Diff line
@@ -1331,20 +1331,10 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size, 
	arm_smmu_cmdq_issue_cmd(smmu, &cmd);

}



static void arm_smmu_flush_pgtable(void *addr, size_t size, void *cookie)

{

	struct arm_smmu_domain *smmu_domain = cookie;



	/* The page table code handles flushing in the non-coherent case */

	if (smmu_domain->smmu->features & ARM_SMMU_FEAT_COHERENCY)

		dsb(ishst);

}



static struct iommu_gather_ops arm_smmu_gather_ops = {

	.tlb_flush_all	= arm_smmu_tlb_inv_context,

	.tlb_add_flush	= arm_smmu_tlb_inv_range_nosync,

	.tlb_sync	= arm_smmu_tlb_sync,

	.flush_pgtable	= arm_smmu_flush_pgtable,

};



/* IOMMU API */