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authorVineet Gupta <vgupta@synopsys.com>2015-08-19 17:23:58 +0530
committerVineet Gupta <vgupta@synopsys.com>2015-08-20 19:05:49 +0530
commit090749502ff20d7d9ec244036fe636b6bf0433b6 (patch)
tree52ce66c6c0a525b4a9eff0ee5917c52f72479ead /arch/arc/kernel/perf_event.c
parent6de6066c0d24a66df465cf87a4041ef7ef35ba6f (diff)
ARC: add/fix some comments in code - no functional change
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel/perf_event.c')
-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)