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iommu/tegra: smmu: Remove unnecessary sanity check at alloc_pdir() 

alloc_pdir() is called with smmu->as[?].pdir_page == NULL. No need to
check pdir_page again inside alloc_pdir().

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Hiroshi DOYU 2012-07-02 14:26:37 +03:00 committed by Joerg Roedel
parent ff7636292a
commit 0bdbf4ccef
1 changed files with 0 additions and 3 deletions
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3
drivers/iommu/tegra-smmu.c
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@ -562,9 +562,6 @@ static int alloc_pdir(struct smmu_as *as)
u32 val;
struct smmu_device *smmu = as->smmu;
if (as->pdir_page)
return 0;
as->pte_count = devm_kzalloc(smmu->dev,
sizeof(as->pte_count[0]) * SMMU_PDIR_COUNT, GFP_KERNEL);
if (!as->pte_count) {