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| author | Robin Murphy <Robin.Murphy@arm.com> | 2015-07-29 19:46:10 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-08-06 14:35:40 +0100 |
| commit | 4103d662cbd0c045d7a44a18c82172220478b20c (patch) | |
| tree | 5069de3c752421918389b6a3b48208abbdd4ede0 /drivers/iommu/arm-smmu.c | |
| parent | 87a91b15d691d6f4aa0a5baffb5767bbc6e4a8c4 (diff) | |
| download | linux-4103d662cbd0c045d7a44a18c82172220478b20c.tar.gz linux-4103d662cbd0c045d7a44a18c82172220478b20c.tar.bz2 linux-4103d662cbd0c045d7a44a18c82172220478b20c.zip | |
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: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/arm-smmu.c')
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 13 |
1 files changed, 0 insertions, 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) |