diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c
index 366569425c52a5febc1a7256cf68137365b85227..5b18888ee3648d5575e911499c3fd14c07260e99 100644
--- a/arch/metag/kernel/perf/perf_event.c
+++ b/arch/metag/kernel/perf/perf_event.c
@@ -882,7 +882,7 @@ static int __init init_hw_perf_events(void)
 	}
 
 	register_cpu_notifier(&metag_pmu_notifier);
-	ret = perf_pmu_register(&pmu, (char *)metag_pmu->name, PERF_TYPE_RAW);
+	ret = perf_pmu_register(&pmu, metag_pmu->name, PERF_TYPE_RAW);
 out:
 	return ret;
 }
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 74a4e14ab60b1cfce640c212df3cf43b79904343..4bc57d017fc8e090603440772696ac7e7ba1931c 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -188,7 +188,7 @@ struct pmu {
 
 	struct device			*dev;
 	const struct attribute_group	**attr_groups;
-	char				*name;
+	const char			*name;
 	int				type;
 
 	int * __percpu			pmu_disable_count;
@@ -519,7 +519,7 @@ struct perf_output_handle {
 
 #ifdef CONFIG_PERF_EVENTS
 
-extern int perf_pmu_register(struct pmu *pmu, char *name, int type);
+extern int perf_pmu_register(struct pmu *pmu, const char *name, int type);
 extern void perf_pmu_unregister(struct pmu *pmu);
 
 extern int perf_num_counters(void);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index aca95bce34c89f6dde0f922bd8b53d5848133de3..9c8920783317b641609da2670570b2052c7a3fb5 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6179,7 +6179,7 @@ static int pmu_dev_alloc(struct pmu *pmu)
 static struct lock_class_key cpuctx_mutex;
 static struct lock_class_key cpuctx_lock;
 
-int perf_pmu_register(struct pmu *pmu, char *name, int type)
+int perf_pmu_register(struct pmu *pmu, const char *name, int type)
 {
 	int cpu, ret;