From: Robin Murphy <robin.mur...@arm.com>
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: Robin Murphy <robin.mur...@arm.com>
Signed-off-by: Will Deacon <will.dea...@arm.com>
---
drivers/iommu/arm-smmu.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 5770ab98fa38..48a39dfa9777 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -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)
--
2.1.4
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