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-rw-r--r--arch/x86/events/amd/iommu.h19
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/events/amd/iommu.h b/arch/x86/events/amd/iommu.h
index e6493a67f1c6..e6310c635c8b 100644
--- a/arch/x86/events/amd/iommu.h
+++ b/arch/x86/events/amd/iommu.h
@@ -21,23 +21,4 @@
#define PC_MAX_SPEC_BNKS 64
#define PC_MAX_SPEC_CNTRS 16
-struct amd_iommu;
-
-/* amd_iommu_init.c external support functions */
-extern int amd_iommu_get_num_iommus(void);
-
-extern bool amd_iommu_pc_supported(void);
-
-extern u8 amd_iommu_pc_get_max_banks(unsigned int idx);
-
-extern u8 amd_iommu_pc_get_max_counters(unsigned int idx);
-
-extern int amd_iommu_pc_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr,
- u8 fxn, u64 *value);
-
-extern int amd_iommu_pc_get_reg(struct amd_iommu *iommu, u8 bank, u8 cntr,
- u8 fxn, u64 *value);
-
-extern struct amd_iommu *get_amd_iommu(int idx);
-
#endif /*_PERF_EVENT_AMD_IOMMU_H_*/