[PATCH 04/32] perf/hisi-uncore: Assign parents for event_source devices
Jonathan Cameron
Jonathan.Cameron at huawei.com
Tue Apr 4 06:41:57 PDT 2023
Currently the PMU device appears directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parent to be the platform device.
Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
---
drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index f1b0f5e1a28f..b4350e5dc3fc 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
@@ -538,6 +538,7 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, const char *name,
pmu->name = name;
pmu->module = module;
+ pmu->parent = hisi_pmu->dev;
pmu->task_ctx_nr = perf_invalid_context;
pmu->event_init = hisi_uncore_pmu_event_init;
pmu->pmu_enable = hisi_uncore_pmu_enable;
--
2.37.2
More information about the linux-arm-kernel
mailing list