[PATCH -next] perf: arm_spe: use DEVICE_ATTR_RO macro
From: YueHaibing <hidden>
Date: 2021-05-28 01:43:32
Also in:
lkml
Subsystem:
arm pmu profiling and debugging, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
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 <redacted> --- drivers/perf/arm_spe_pmu.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index e3711cb4c1b5..773285dd539f 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(cpumask); static struct attribute *arm_spe_pmu_attrs[] = { &dev_attr_cpumask.attr,
--
2.17.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel