Commit f9e36b38 authored by YueHaibing's avatar YueHaibing Committed by Will Deacon
Browse files

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: default avatarYueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210528061738.23392-1-yuehaibing@huawei.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 21ad02e6

drivers/perf/arm_spe_pmu.c

+3 −4
Original line number Diff line number Diff line
@@ -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,