1 files changed, 24 insertions, 53 deletions

diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 4432305f4a2a..a26170dce02e 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -16,69 +16,30 @@
 #include <linux/perf_event.h>
 
 /*
- * Types of PMUs that can be accessed directly and require mutual
- * exclusion between profiling tools.
- */
-enum arm_pmu_type {
-        ARM_PMU_DEVICE_CPU      = 0,
-        ARM_NUM_PMU_DEVICES,
-};
-
-/*
  * struct arm_pmu_platdata - ARM PMU platform data
  *
  * @handle_irq: an optional handler which will be called from the
  *      interrupt and passed the address of the low level handler,
  *      and can be used to implement any platform specific handling
  *      before or after calling it.
- * @enable_irq: an optional handler which will be called after
- *      request_irq and be used to handle some platform specific
- *      irq enablement
- * @disable_irq: an optional handler which will be called before
- *      free_irq and be used to handle some platform specific
- *      irq disablement
+ * @runtime_resume: an optional handler which will be called by the
+ *      runtime PM framework following a call to pm_runtime_get().
+ *      Note that if pm_runtime_get() is called more than once in
+ *      succession this handler will only be called once.
+ * @runtime_suspend: an optional handler which will be called by the
+ *      runtime PM framework following a call to pm_runtime_put().
+ *      Note that if pm_runtime_get() is called more than once in
+ *      succession this handler will only be called following the
+ *      final call to pm_runtime_put() that actually disables the
+ *      hardware.
  */
 struct arm_pmu_platdata {
         irqreturn_t (*handle_irq)(int irq, void *dev,
                                   irq_handler_t pmu_handler);
-        void (*enable_irq)(int irq);
-        void (*disable_irq)(int irq);
+        int (*runtime_resume)(struct device *dev);
+        int (*runtime_suspend)(struct device *dev);
 };
 
-#ifdef CONFIG_CPU_HAS_PMU
-
-/**
- * reserve_pmu() - reserve the hardware performance counters
- *
- * Reserve the hardware performance counters in the system for exclusive use.
- * Returns 0 on success or -EBUSY if the lock is already held.
- */
-extern int
-reserve_pmu(enum arm_pmu_type type);
-
-/**
- * release_pmu() - Relinquish control of the performance counters
- *
- * Release the performance counters and allow someone else to use them.
- */
-extern void
-release_pmu(enum arm_pmu_type type);
-
-#else /* CONFIG_CPU_HAS_PMU */
-
-#include <linux/err.h>
-
-static inline int
-reserve_pmu(enum arm_pmu_type type)
-{
-        return -ENODEV;
-}
-
-static inline void
-release_pmu(enum arm_pmu_type type)     { }
-
-#endif /* CONFIG_CPU_HAS_PMU */
-
 #ifdef CONFIG_HW_PERF_EVENTS
 
 /* The events for a given PMU register set. */
@@ -103,7 +64,6 @@ struct pmu_hw_events {
 
 struct arm_pmu {
         struct pmu      pmu;
-        enum arm_pmu_type type;
         cpumask_t       active_irqs;
         char            *name;
         irqreturn_t     (*handle_irq)(int irq_num, void *dev);
@@ -118,6 +78,8 @@ struct arm_pmu {
         void            (*start)(void);
         void            (*stop)(void);
         void            (*reset)(void *);
+        int             (*request_irq)(irq_handler_t handler);
+        void            (*free_irq)(void);
         int             (*map_event)(struct perf_event *event);
         int             num_events;
         atomic_t        active_events;
@@ -129,7 +91,9 @@ struct arm_pmu {
 
 #define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu))
 
-int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type);
+extern const struct dev_pm_ops armpmu_dev_pm_ops;
+
+int armpmu_register(struct arm_pmu *armpmu, char *name, int type);
 
 u64 armpmu_event_update(struct perf_event *event,
                         struct hw_perf_event *hwc,
@@ -139,6 +103,13 @@ int armpmu_event_set_period(struct perf_event *event,
                             struct hw_perf_event *hwc,
                             int idx);
 
+int armpmu_map_event(struct perf_event *event,
+                     const unsigned (*event_map)[PERF_COUNT_HW_MAX],
+                     const unsigned (*cache_map)[PERF_COUNT_HW_CACHE_MAX]
+                                                [PERF_COUNT_HW_CACHE_OP_MAX]
+                                                [PERF_COUNT_HW_CACHE_RESULT_MAX],
+                     u32 raw_event_mask);
+
 #endif /* CONFIG_HW_PERF_EVENTS */
 
 #endif /* __ARM_PMU_H__ */