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Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
-rw-r--r--drivers/iommu/tegra-smmu.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 4252d743963..25c1210c083 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -694,10 +694,8 @@ static void __smmu_iommu_unmap(struct smmu_as *as, dma_addr_t iova)
*pte = _PTE_VACANT(iova);
FLUSH_CPU_DCACHE(pte, page, sizeof(*pte));
flush_ptc_and_tlb(as->smmu, as, iova, pte, page, 0);
- if (!--(*count)) {
+ if (!--(*count))
free_ptbl(as, iova);
- smmu_flush_regs(as->smmu, 0);
- }
}
static void __smmu_iommu_map_pfn(struct smmu_as *as, dma_addr_t iova,
@@ -1232,6 +1230,7 @@ static int tegra_smmu_probe(struct platform_device *pdev)
smmu_debugfs_create(smmu);
smmu_handle = smmu;
+ bus_set_iommu(&platform_bus_type, &smmu_iommu_ops);
return 0;
}
@@ -1276,7 +1275,6 @@ static struct platform_driver tegra_smmu_driver = {
static int __devinit tegra_smmu_init(void)
{
- bus_set_iommu(&platform_bus_type, &smmu_iommu_ops);
return platform_driver_register(&tegra_smmu_driver);
}