diff options
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 3b346c6f5514..38e88d40ab10 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c | |||
| @@ -50,7 +50,7 @@ static int dma_ops_unity_map(struct dma_ops_domain *dma_dom, | |||
| 50 | /* returns !0 if the IOMMU is caching non-present entries in its TLB */ | 50 | /* returns !0 if the IOMMU is caching non-present entries in its TLB */ |
| 51 | static int iommu_has_npcache(struct amd_iommu *iommu) | 51 | static int iommu_has_npcache(struct amd_iommu *iommu) |
| 52 | { | 52 | { |
| 53 | return iommu->cap & IOMMU_CAP_NPCACHE; | 53 | return iommu->cap & (1UL << IOMMU_CAP_NPCACHE); |
| 54 | } | 54 | } |
| 55 | 55 | ||
| 56 | /**************************************************************************** | 56 | /**************************************************************************** |