[PATCH] perf: xgene_pmu: use DEVICE_ATTR_RO macro
From: YueHaibing <hidden>
Date: 2021-05-28 01:50:16
Also in:
lkml
Subsystem:
applied micro (apm) x-gene soc pmu, arm pmu profiling and debugging, the rest · Maintainers:
Khuong Dinh, Will Deacon, Mark Rutland, Linus Torvalds
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/xgene_pmu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index ffe3bdeec845..62d942534a6b 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c@@ -604,15 +604,15 @@ static const struct attribute_group mc_pmu_v3_events_attr_group = { /* * sysfs cpumask attributes */ -static ssize_t xgene_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 xgene_pmu_dev *pmu_dev = to_pmu_dev(dev_get_drvdata(dev)); return cpumap_print_to_pagebuf(true, buf, &pmu_dev->parent->cpu); } -static DEVICE_ATTR(cpumask, S_IRUGO, xgene_pmu_cpumask_show, NULL); +static DEVICE_ATTR_RO(cpumask); static struct attribute *xgene_pmu_cpumask_attrs[] = { &dev_attr_cpumask.attr,
--
2.17.1
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