linux-kernel - [PATCH v3 4/9] drivers/perf: Simplify EVENT ATTR macro in qcom_l2

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Date:   Tue, 8 Jun 2021 11:33:16 +0800
From:   Qi Liu <liuqi115@...wei.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linuxarm@...wei.com>, Andy Gross <agross@...nel.org>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH v3 4/9] drivers/perf: Simplify EVENT ATTR macro in qcom_l2_pmu.c

Use common macro PMU_EVENT_ATTR_ID to simplify L2CACHE_EVENT_ATTR.

Cc: Andy Gross <agross@...nel.org>
Cc: Will Deacon <will@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Signed-off-by: Qi Liu <liuqi115@...wei.com>
---
 drivers/perf/qcom_l2_pmu.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c
index fc54a80..2cf89de 100644
--- a/drivers/perf/qcom_l2_pmu.c
+++ b/drivers/perf/qcom_l2_pmu.c
@@ -679,11 +679,8 @@ static ssize_t l2cache_pmu_event_show(struct device *dev,
 	return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id);
 }
 
-#define L2CACHE_EVENT_ATTR(_name, _id)					     \
-	(&((struct perf_pmu_events_attr[]) {				     \
-		{ .attr = __ATTR(_name, 0444, l2cache_pmu_event_show, NULL), \
-		  .id = _id, }						     \
-	})[0].attr.attr)
+#define L2CACHE_EVENT_ATTR(_name, _id)			    \
+	PMU_EVENT_ATTR_ID(_name, l2cache_pmu_event_show, _id)
 
 static struct attribute *l2_cache_pmu_events[] = {
 	L2CACHE_EVENT_ATTR(cycles, L2_EVENT_CYCLES),
-- 
2.7.4