diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2021-05-28 09:41:30 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-06-01 14:22:44 +0100 |
| commit | 29c043760eea902f170b6485c6e88a5ef33a9908 (patch) | |
| tree | 2d073a9d87f057db271669787175382a65544166 /drivers | |
| parent | 2db5223731b79cf5c617dc391ceb21dd5cb93237 (diff) | |
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 <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210528014130.7708-1-yuehaibing@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 6 |
1 files changed, 3 insertions, 3 deletions
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, |