This adds missing permission bits to the translated TCE.
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
---
arch/powerpc/kernel/iommu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 0cda2e8..5af2319 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -1088,6 +1088,7 @@ int iommu_put_tce_user_mode(struct iommu_table *tbl,
unsigned long entry,
return -EFAULT;
}
hwaddr = (unsigned long) page_address(page) + offset;
+ hwaddr |= tce & (TCE_PCI_READ | TCE_PCI_WRITE);
ret = iommu_tce_build(tbl, entry, hwaddr, direction);
if (ret)
--
2.0.0
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