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-rw-r--r--arch/arc/kernel/perf_event.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index 1287388c258a..79ab199a9778 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -199,8 +199,8 @@ static void arc_pmu_start(struct perf_event *event, int flags)
event->hw.state = 0;
/* enable ARC pmu here */
- write_aux_reg(ARC_REG_PCT_INDEX, idx);
- write_aux_reg(ARC_REG_PCT_CONFIG, hwc->config);
+ write_aux_reg(ARC_REG_PCT_INDEX, idx); /* counter # */
+ write_aux_reg(ARC_REG_PCT_CONFIG, hwc->config); /* condition */
}
static void arc_pmu_stop(struct perf_event *event, int flags)