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perf/arm_cspmu: Assign parents for event_source devices

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Currently all these devices appear directly under /sys/devices/
Only root busses should appear there, so instead assign the pmu->dev
parents to be the platform device.

Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240412161057.14099-8-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Jonathan Cameron 2024-04-12 17:10:34 +01:00 committed by Will Deacon
parent 1b7718fcc3
commit 3a1bb75ebc
1 changed files with 1 additions and 0 deletions
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drivers/perf/arm_cspmu/arm_cspmu.c
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@ -1206,6 +1206,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu)
cspmu->pmu = (struct pmu){
.task_ctx_nr = perf_invalid_context,
.module = cspmu->impl.module,
.parent = cspmu->dev,
.pmu_enable = arm_cspmu_enable,
.pmu_disable = arm_cspmu_disable,
.event_init = arm_cspmu_event_init,