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Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/perf_event.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 481b894a5018..bed4327f5a7a 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1025,7 +1025,7 @@ out:
return ret;
}
-static int __hw_perf_event_init(struct perf_event *event)
+static int sparc_pmu_event_init(struct perf_event *event)
{
struct perf_event_attr *attr = &event->attr;
struct perf_event *evts[MAX_HWEVENTS];
@@ -1038,17 +1038,27 @@ static int __hw_perf_event_init(struct perf_event *event)
if (atomic_read(&nmi_active) < 0)
return -ENODEV;
- if (attr->type == PERF_TYPE_HARDWARE) {
+ switch (attr->type) {
+ case PERF_TYPE_HARDWARE:
if (attr->config >= sparc_pmu->max_events)
return -EINVAL;
pmap = sparc_pmu->event_map(attr->config);
- } else if (attr->type == PERF_TYPE_HW_CACHE) {
+ break;
+
+ case PERF_TYPE_HW_CACHE:
pmap = sparc_map_cache_event(attr->config);
if (IS_ERR(pmap))
return PTR_ERR(pmap);
- } else
+ break;
+
+ case PERF_TYPE_RAW:
return -EOPNOTSUPP;
+ default:
+ return -ENOENT;
+
+ }
+
/* We save the enable bits in the config_base. */
hwc->config_base = sparc_pmu->irq_bit;
if (!attr->exclude_user)
@@ -1143,6 +1153,7 @@ static int sparc_pmu_commit_txn(struct pmu *pmu)
}
static struct pmu pmu = {
+ .event_init = sparc_pmu_event_init,
.enable = sparc_pmu_enable,
.disable = sparc_pmu_disable,
.read = sparc_pmu_read,
@@ -1152,15 +1163,6 @@ static struct pmu pmu = {
.commit_txn = sparc_pmu_commit_txn,
};
-struct pmu *hw_perf_event_init(struct perf_event *event)
-{
- int err = __hw_perf_event_init(event);
-
- if (err)
- return ERR_PTR(err);
- return &pmu;
-}
-
void perf_event_print_debug(void)
{
unsigned long flags;
@@ -1280,6 +1282,7 @@ void __init init_hw_perf_events(void)
/* All sparc64 PMUs currently have 2 events. */
perf_max_events = 2;
+ perf_pmu_register(&pmu);
register_die_notifier(&perf_event_nmi_notifier);
}