* [PATCH] perf: xgene_pmu: use DEVICE_ATTR_RO macro
@ 2021-05-28 1:49 YueHaibing
2021-06-01 18:21 ` Will Deacon
0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2021-05-28 1:49 UTC (permalink / raw)
To: khuong, will, mark.rutland, msalter
Cc: linux-arm-kernel, linux-kernel, YueHaibing
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>
---
drivers/perf/xgene_pmu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c
index ffe3bdeec845..62d942534a6b 100644
--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -604,15 +604,15 @@ static const struct attribute_group mc_pmu_v3_events_attr_group = {
/*
* sysfs cpumask attributes
*/
-static ssize_t xgene_pmu_cpumask_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t cpumask_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct xgene_pmu_dev *pmu_dev = to_pmu_dev(dev_get_drvdata(dev));
return cpumap_print_to_pagebuf(true, buf, &pmu_dev->parent->cpu);
}
-static DEVICE_ATTR(cpumask, S_IRUGO, xgene_pmu_cpumask_show, NULL);
+static DEVICE_ATTR_RO(cpumask);
static struct attribute *xgene_pmu_cpumask_attrs[] = {
&dev_attr_cpumask.attr,
--
2.17.1
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* Re: [PATCH] perf: xgene_pmu: use DEVICE_ATTR_RO macro
2021-05-28 1:49 [PATCH] perf: xgene_pmu: use DEVICE_ATTR_RO macro YueHaibing
@ 2021-06-01 18:21 ` Will Deacon
0 siblings, 0 replies; 2+ messages in thread
From: Will Deacon @ 2021-06-01 18:21 UTC (permalink / raw)
To: YueHaibing, mark.rutland, msalter, khuong
Cc: catalin.marinas, kernel-team, Will Deacon, linux-arm-kernel,
linux-kernel
On Fri, 28 May 2021 09:49:40 +0800, YueHaibing wrote:
> Use DEVICE_ATTR_RO() helper instead of plain DEVICE_ATTR(),
> which makes the code a bit shorter and easier to read.
Applied to will (for-next/perf), thanks!
[1/1] perf: xgene_pmu: use DEVICE_ATTR_RO macro
https://git.kernel.org/will/c/21ad02e6b4c8
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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