From: Hiroshi Doyu Date: Wed, 6 Feb 2013 17:38:15 +0000 (+0200) Subject: iommu/tegra: smmu: Fix incorrect mask for regbase X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a3b7256d643dac125f4162cd4f9b603868559b61;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git iommu/tegra: smmu: Fix incorrect mask for regbase This fixes kernel crash because of BUG() in register address validation. Signed-off-by: Hiroshi Doyu Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 774728313f5..117427e6004 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -1191,7 +1191,7 @@ static int tegra_smmu_probe(struct platform_device *pdev) smmu->rege[i] = smmu->regs[i] + resource_size(res) - 1; } /* Same as "mc" 1st regiter block start address */ - smmu->regbase = (void __iomem *)((u32)smmu->regs[0] & ~PAGE_MASK); + smmu->regbase = (void __iomem *)((u32)smmu->regs[0] & PAGE_MASK); err = of_get_dma_window(dev->of_node, NULL, 0, NULL, &base, &size); if (err)