malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

iommu/tegra: smmu: Fix incorrect mask for regbase

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

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Hiroshi Doyu 2013-02-06 19:38:15 +02:00 committed by Joerg Roedel
parent d300356cb9
commit a3b7256d64
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/iommu/tegra-smmu.c
View File

@ -1191,7 +1191,7 @@ static int tegra_smmu_probe(struct platform_device *pdev)
smmu->rege[i] = smmu->regs[i] + resource_size(res) - 1; smmu->rege[i] = smmu->regs[i] + resource_size(res) - 1;
} }
/* Same as "mc" 1st regiter block start address */ /* 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); err = of_get_dma_window(dev->of_node, NULL, 0, NULL, &base, &size);
if (err) if (err)