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Subject[PATCH] amd-iommu: fix iommu flag masks
Date
Impact: fix initialization of iommu flags

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/kernel/amd_iommu_init.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 42c33ce..8c0be09 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -49,10 +49,10 @@
#define IVHD_DEV_EXT_SELECT 0x46
#define IVHD_DEV_EXT_SELECT_RANGE 0x47

-#define IVHD_FLAG_HT_TUN_EN 0x00
-#define IVHD_FLAG_PASSPW_EN 0x01
-#define IVHD_FLAG_RESPASSPW_EN 0x02
-#define IVHD_FLAG_ISOC_EN 0x03
+#define IVHD_FLAG_HT_TUN_EN_MASK 0x01
+#define IVHD_FLAG_PASSPW_EN_MASK 0x02
+#define IVHD_FLAG_RESPASSPW_EN_MASK 0x04
+#define IVHD_FLAG_ISOC_EN_MASK 0x08

#define IVMD_FLAG_EXCL_RANGE 0x08
#define IVMD_FLAG_UNITY_MAP 0x01
@@ -569,19 +569,19 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
* First set the recommended feature enable bits from ACPI
* into the IOMMU control registers
*/
- h->flags & IVHD_FLAG_HT_TUN_EN ?
+ h->flags & IVHD_FLAG_HT_TUN_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_HT_TUN_EN) :
iommu_feature_disable(iommu, CONTROL_HT_TUN_EN);

- h->flags & IVHD_FLAG_PASSPW_EN ?
+ h->flags & IVHD_FLAG_PASSPW_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_PASSPW_EN) :
iommu_feature_disable(iommu, CONTROL_PASSPW_EN);

- h->flags & IVHD_FLAG_RESPASSPW_EN ?
+ h->flags & IVHD_FLAG_RESPASSPW_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_RESPASSPW_EN) :
iommu_feature_disable(iommu, CONTROL_RESPASSPW_EN);

- h->flags & IVHD_FLAG_ISOC_EN ?
+ h->flags & IVHD_FLAG_ISOC_EN_MASK ?
iommu_feature_enable(iommu, CONTROL_ISOC_EN) :
iommu_feature_disable(iommu, CONTROL_ISOC_EN);

--
1.6.2.4



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