UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Robin Murphy 2015-07-29 19:46:10 +01:00 committed by Will Deacon
parent 87a91b15d6
commit 4103d662cb
1 changed files with 0 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/iommu/arm-smmu.c
View File

@ -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)