[PATCH v3 12/18] powerpc/iommu: Fix missing permission bits in iommu_put_tce_user_mode()

[Alexey Kardashevskiy]

This adds missing permission bits to the translated TCE.

Signed-off-by: Alexey Kardashevskiy <aik at 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