linux-kernel - [PATCH v3 7/9] drivers/perf: Simplify EVENT ATTR macro in fsl_imx8_ddr

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Message-ID: <1623123201-45634-8-git-send-email-liuqi115@huawei.com>
Date:   Tue, 8 Jun 2021 11:33:19 +0800
From:   Qi Liu <liuqi115@...wei.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linuxarm@...wei.com>, Frank Li <Frank.li@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: [PATCH v3 7/9] drivers/perf: Simplify EVENT ATTR macro in fsl_imx8_ddr_perf.c

Use common macro PMU_EVENT_ATTR_ID to simplify IMX8_DDR_PMU_EVENT_ATTR.

Cc: Frank Li <Frank.li@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Reviewed by Frank Li <Frank .li@....com>
Signed-off-by: Qi Liu <liuqi115@...wei.com>
---
 drivers/perf/fsl_imx8_ddr_perf.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c
index 2bbb931..0406215 100644
--- a/drivers/perf/fsl_imx8_ddr_perf.c
+++ b/drivers/perf/fsl_imx8_ddr_perf.c
@@ -222,11 +222,8 @@ ddr_pmu_event_show(struct device *dev, struct device_attribute *attr,
 	return sysfs_emit(page, "event=0x%02llx\n", pmu_attr->id);
 }
 
-#define IMX8_DDR_PMU_EVENT_ATTR(_name, _id)				\
-	(&((struct perf_pmu_events_attr[]) {				\
-		{ .attr = __ATTR(_name, 0444, ddr_pmu_event_show, NULL),\
-		  .id = _id, }						\
-	})[0].attr.attr)
+#define IMX8_DDR_PMU_EVENT_ATTR(_name, _id)		\
+	PMU_EVENT_ATTR_ID(_name, ddr_pmu_event_show, _id)
 
 static struct attribute *ddr_perf_events_attrs[] = {
 	IMX8_DDR_PMU_EVENT_ATTR(cycles, EVENT_CYCLES_ID),
-- 
2.7.4