summaryrefslogtreecommitdiffstats
path: root/drivers/perf/arm_dmc620_pmu.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/perf/arm_dmc620_pmu.c
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/perf/arm_dmc620_pmu.c')
-rw-r--r--drivers/perf/arm_dmc620_pmu.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c
index 30cea68595..88c17c1d6d 100644
--- a/drivers/perf/arm_dmc620_pmu.c
+++ b/drivers/perf/arm_dmc620_pmu.c
@@ -542,12 +542,16 @@ static int dmc620_pmu_event_init(struct perf_event *event)
if (event->cpu < 0)
return -EINVAL;
+ hwc->idx = -1;
+
+ if (event->group_leader == event)
+ return 0;
+
/*
* We can't atomically disable all HW counters so only one event allowed,
* although software events are acceptable.
*/
- if (event->group_leader != event &&
- !is_software_event(event->group_leader))
+ if (!is_software_event(event->group_leader))
return -EINVAL;
for_each_sibling_event(sibling, event->group_leader) {
@@ -556,7 +560,6 @@ static int dmc620_pmu_event_init(struct perf_event *event)
return -EINVAL;
}
- hwc->idx = -1;
return 0;
}
@@ -724,7 +727,7 @@ out_teardown_dev:
return ret;
}
-static int dmc620_pmu_device_remove(struct platform_device *pdev)
+static void dmc620_pmu_device_remove(struct platform_device *pdev)
{
struct dmc620_pmu *dmc620_pmu = platform_get_drvdata(pdev);
@@ -732,8 +735,6 @@ static int dmc620_pmu_device_remove(struct platform_device *pdev)
/* perf will synchronise RCU before devres can free dmc620_pmu */
perf_pmu_unregister(&dmc620_pmu->pmu);
-
- return 0;
}
static const struct acpi_device_id dmc620_acpi_match[] = {
@@ -748,7 +749,7 @@ static struct platform_driver dmc620_pmu_driver = {
.suppress_bind_attrs = true,
},
.probe = dmc620_pmu_device_probe,
- .remove = dmc620_pmu_device_remove,
+ .remove_new = dmc620_pmu_device_remove,
};
static int __init dmc620_pmu_init(void)