diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2021-05-28 14:17:38 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-06-01 14:25:09 +0100 |
| commit | f9e36b388a325eee74fae3b545f64449c13f090a (patch) | |
| tree | fd6dfa8256fee1ef2e42a1e2c58f36c5b7a76940 | |
| parent | 21ad02e6b4c822d453faead4c96f0a86c4541b62 (diff) | |
perf: arm_spe: 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/20210528061738.23392-1-yuehaibing@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | drivers/perf/arm_spe_pmu.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index e3711cb4c1b5..d44bcc29d99c 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -231,15 +231,14 @@ static const struct attribute_group arm_spe_pmu_format_group = { .attrs = arm_spe_pmu_formats_attr, }; -static ssize_t arm_spe_pmu_get_attr_cpumask(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t cpumask_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct arm_spe_pmu *spe_pmu = dev_get_drvdata(dev); return cpumap_print_to_pagebuf(true, buf, &spe_pmu->supported_cpus); } -static DEVICE_ATTR(cpumask, S_IRUGO, arm_spe_pmu_get_attr_cpumask, NULL); +static DEVICE_ATTR_RO(cpumask); static struct attribute *arm_spe_pmu_attrs[] = { &dev_attr_cpumask.attr, |