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Commit 4103d662 authored by Robin Murphy's avatar Robin Murphy Committed by Will Deacon
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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 87a91b15

drivers/iommu/arm-smmu.c

+0 −13
Original line number Diff line number Diff line
@@ -608,23 +608,10 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size, 
	}

}



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

{

	struct arm_smmu_domain *smmu_domain = cookie;



	/*

	 * Ensure new page tables are visible to a coherent hardware walker.

	 * The page table code deals with flushing for the non-coherent case.

	 */

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

		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,

};



static irqreturn_t arm_smmu_context_fault(int irq, void *dev)