2 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
index f0ef06375947..ff2c9287d3b6 100644
--- a/include/asm-ppc64/machdep.h
+++ b/include/asm-ppc64/machdep.h
@@ -140,6 +140,9 @@ struct machdep_calls {
 
         /* Idle loop for this platform, leave empty for default idle loop */
         int             (*idle_loop)(void);
+
+        /* Function to enable pmcs for this platform, called once per cpu. */
+        void            (*enable_pmcs)(void);
 };
 
 extern int default_idle(void);
diff --git a/include/asm-ppc64/pmc.h b/include/asm-ppc64/pmc.h
index c924748c0bea..d1d297dbccfe 100644
--- a/include/asm-ppc64/pmc.h
+++ b/include/asm-ppc64/pmc.h
@@ -26,4 +26,6 @@ typedef void (*perf_irq_t)(struct pt_regs *);
 int reserve_pmc_hardware(perf_irq_t new_perf_irq);
 void release_pmc_hardware(void);
 
+void power4_enable_pmcs(void);
+
 #endif /* _PPC64_PMC_H */