* [PATCH -next] perf: qcom: use DEVICE_ATTR_RO macro
@ 2021-05-28 1:47 YueHaibing
2021-06-01 18:21 ` Will Deacon
0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2021-05-28 1:47 UTC (permalink / raw)
To: agross, bjorn.andersson, will, mark.rutland
Cc: linux-arm-msm, 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/qcom_l3_pmu.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c
index bba078077c93..081273543c6b 100644
--- a/drivers/perf/qcom_l3_pmu.c
+++ b/drivers/perf/qcom_l3_pmu.c
@@ -670,15 +670,15 @@ static const struct attribute_group qcom_l3_cache_pmu_events_group = {
/* cpumask */
-static ssize_t qcom_l3_cache_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 l3cache_pmu *l3pmu = to_l3cache_pmu(dev_get_drvdata(dev));
return cpumap_print_to_pagebuf(true, buf, &l3pmu->cpumask);
}
-static DEVICE_ATTR(cpumask, 0444, qcom_l3_cache_pmu_cpumask_show, NULL);
+static DEVICE_ATTR_RO(cpumask);
static struct attribute *qcom_l3_cache_pmu_cpumask_attrs[] = {
&dev_attr_cpumask.attr,
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH -next] perf: qcom: use DEVICE_ATTR_RO macro
2021-05-28 1:47 [PATCH -next] perf: qcom: 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: bjorn.andersson, mark.rutland, agross, YueHaibing
Cc: catalin.marinas, kernel-team, Will Deacon, linux-kernel,
linux-arm-kernel, linux-arm-msm
On Fri, 28 May 2021 09:47:49 +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: qcom: use DEVICE_ATTR_RO macro
https://git.kernel.org/will/c/ccbe14ce8828
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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