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Commit a3b7256d authored by Hiroshi Doyu's avatar Hiroshi Doyu Committed by Joerg Roedel
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iommu/tegra: smmu: Fix incorrect mask for regbase 



This fixes kernel crash because of BUG() in register address
validation.

Signed-off-by: default avatarHiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: default avatarJoerg Roedel <joro@8bytes.org>
parent d300356c

drivers/iommu/tegra-smmu.c

+1 −1
Original line number Diff line number Diff line
@@ -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)