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authorYueHaibing <yuehaibing@huawei.com>2021-05-28 08:17:38 +0200
committerWill Deacon <will@kernel.org>2021-06-01 15:25:09 +0200
commitf9e36b388a325eee74fae3b545f64449c13f090a (patch)
treefd6dfa8256fee1ef2e42a1e2c58f36c5b7a76940 /drivers/perf
parentperf: xgene_pmu: use DEVICE_ATTR_RO macro (diff)
downloadlinux-f9e36b388a325eee74fae3b545f64449c13f090a.tar.xz
linux-f9e36b388a325eee74fae3b545f64449c13f090a.zip
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>
Diffstat (limited to 'drivers/perf')
-rw-r--r--drivers/perf/arm_spe_pmu.c7
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,