From 29c043760eea902f170b6485c6e88a5ef33a9908 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Fri, 28 May 2021 09:41:30 +0800 Subject: perf: arm_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: YueHaibing Link: https://lore.kernel.org/r/20210528014130.7708-1-yuehaibing@huawei.com Signed-off-by: Will Deacon --- drivers/perf/arm_pmu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/perf') diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index e57b348c1628..a64e254a731b 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -563,14 +563,14 @@ static int armpmu_filter_match(struct perf_event *event) return ret; } -static ssize_t armpmu_cpumask_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t cpus_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct arm_pmu *armpmu = to_arm_pmu(dev_get_drvdata(dev)); return cpumap_print_to_pagebuf(true, buf, &armpmu->supported_cpus); } -static DEVICE_ATTR(cpus, S_IRUGO, armpmu_cpumask_show, NULL); +static DEVICE_ATTR_RO(cpus); static struct attribute *armpmu_common_attrs[] = { &dev_attr_cpus.attr, -- cgit v1.2.3