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| author | Robin Murphy <robin.murphy@arm.com> | 2019-08-15 20:37:22 +0200 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-19 17:52:47 +0200 |
| commit | a5b396ce5001a8b8c8594c7fa90b0df61d6b3272 (patch) | |
| tree | 6edbca5b257900b1783d943e54a696b1e66672d0 /drivers/iommu/qcom_iommu.c | |
| parent | iommu/arm-smmu: Mask TLBI address correctly (diff) | |
| download | linux-a5b396ce5001a8b8c8594c7fa90b0df61d6b3272.tar.xz linux-a5b396ce5001a8b8c8594c7fa90b0df61d6b3272.zip | |
iommu/qcom: Mask TLBI addresses correctly
As with arm-smmu from whence this code was borrowed, the IOVAs passed in
here happen to be at least page-aligned anyway, but still; oh dear.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu/qcom_iommu.c')
| -rw-r--r-- | drivers/iommu/qcom_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c index 34d0b9783b3e..bed948c3058a 100644 --- a/drivers/iommu/qcom_iommu.c +++ b/drivers/iommu/qcom_iommu.c @@ -155,7 +155,7 @@ static void qcom_iommu_tlb_inv_range_nosync(unsigned long iova, size_t size, struct qcom_iommu_ctx *ctx = to_ctx(fwspec, fwspec->ids[i]); size_t s = size; - iova &= ~12UL; + iova = (iova >> 12) << 12; iova |= ctx->asid; do { iommu_writel(ctx, reg, iova); |