[PATCH -next] perf: qcom: use DEVICE_ATTR_RO macro
From: YueHaibing <hidden>
Date: 2021-05-28 01:48:11
Use DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(), which makes the code a bit shorter and easier to read. Signed-off-by: YueHaibing <redacted> --- drivers/perf/qcom_l3_pmu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c
index bba078077c93..081273543c6b 100644
--- a/drivers/perf/qcom_l3_pmu.c
+++ b/drivers/perf/qcom_l3_pmu.c@@ -670,15 +670,15 @@ static const struct attribute_group qcom_l3_cache_pmu_events_group = { /* cpumask */ -static ssize_t qcom_l3_cache_pmu_cpumask_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t cpumask_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct l3cache_pmu *l3pmu = to_l3cache_pmu(dev_get_drvdata(dev)); return cpumap_print_to_pagebuf(true, buf, &l3pmu->cpumask); } -static DEVICE_ATTR(cpumask, 0444, qcom_l3_cache_pmu_cpumask_show, NULL); +static DEVICE_ATTR_RO(cpumask); static struct attribute *qcom_l3_cache_pmu_cpumask_attrs[] = { &dev_attr_cpumask.attr,
--
2.17.1
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