diff options
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 6 |
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); } |