This fixes kernel crash because of BUG() in register address
validation.
Signed-off-by: Hiroshi Doyu <[email protected]>
---
Verified with Tegra 114 based Dalmore board
---
drivers/iommu/tegra-smmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 4d11069..05a8ddb 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1192,7 +1192,7 @@ 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)
--
1.7.9.5
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