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[v3.6,2/3] iommu/tegra: smmu: Remove unnecessary sanity check at alloc_pdir()

Message ID 1341228398-6878-2-git-send-email-hdoyu@nvidia.com
State Not Applicable, archived
Headers show

Commit Message

Hiroshi Doyu July 2, 2012, 11:26 a.m. UTC
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>
---
 drivers/iommu/tegra-smmu.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index ecd6790..532c8a4 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -546,9 +546,6 @@  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) {