Also change the define to use GENMASK_ULL instead.
There is no functional change.

Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
 drivers/iommu/amd/amd_iommu_types.h | 2 +-
 drivers/iommu/amd/iommu.c           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h
index 4b4a37fad70e..bdd7d5f3c4a6 100644
--- a/drivers/iommu/amd/amd_iommu_types.h
+++ b/drivers/iommu/amd/amd_iommu_types.h
@@ -353,7 +353,7 @@
 
 #define DTE_FLAG_IOTLB	BIT_ULL(32)
 #define DTE_FLAG_MASK	(0x3ffULL << 32)
-#define DEV_DOMID_MASK	0xffffULL
+#define DTE_DOMID_MASK	GENMASK_ULL(15, 0)
 
 #define DTE_GCR3_14_12	GENMASK_ULL(60, 58)
 #define DTE_GCR3_30_15	GENMASK_ULL(31, 16)
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 3505a14a4d2c..02cbe82ffcf1 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2081,7 +2081,7 @@ static void set_dte_entry(struct amd_iommu *iommu,
 	if (dev_data->ats_enabled)
 		new.data[1] |= DTE_FLAG_IOTLB;
 
-	old_domid = READ_ONCE(dte->data[1]) & DEV_DOMID_MASK;
+	old_domid = READ_ONCE(dte->data[1]) & DTE_DOMID_MASK;
 	new.data[1] |= domid;
 
 	/*
-- 
2.34.1