Commit 21ad02e6 authored by YueHaibing's avatar YueHaibing Committed by Will Deacon
Browse files

perf: xgene_pmu: use DEVICE_ATTR_RO macro 



Use DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(),
which makes the code a bit shorter and easier to read.

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210528014940.4184-1-yuehaibing@huawei.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent ccbe14ce

drivers/perf/xgene_pmu.c

+3 −3
Original line number Diff line number Diff line
@@ -604,7 +604,7 @@ static const struct attribute_group mc_pmu_v3_events_attr_group = { 
/*

 * sysfs cpumask attributes

 */

static ssize_t xgene_pmu_cpumask_show(struct device *dev,

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));
@@ -612,7 +612,7 @@ static ssize_t xgene_pmu_cpumask_show(struct device *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,