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-rw-r--r--arch/x86/include/asm/amd_iommu.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h
index f16a2caca1e..a6863a2dec1 100644
--- a/arch/x86/include/asm/amd_iommu.h
+++ b/arch/x86/include/asm/amd_iommu.h
@@ -24,11 +24,11 @@
#ifdef CONFIG_AMD_IOMMU
-extern void amd_iommu_detect(void);
+extern int amd_iommu_detect(void);
#else
-static inline void amd_iommu_detect(void) { }
+static inline int amd_iommu_detect(void) { return -ENODEV; }
#endif