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perf/arm_pmu: Assign parents for event_source devices

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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@huawei.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240412161057.14099-17-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Jonathan Cameron 2024-04-12 17:10:43 +01:00 committed by Will Deacon
parent 1d194ab857
commit 7bf75431a9
1 changed files with 1 additions and 0 deletions
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drivers/perf/arm_pmu_platform.c
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@ -196,6 +196,7 @@ int arm_pmu_device_probe(struct platform_device *pdev,
if (!pmu) if (!pmu)
return -ENOMEM; return -ENOMEM;
pmu->pmu.parent = &pdev->dev;
pmu->plat_device = pdev; pmu->plat_device = pdev;
ret = pmu_parse_irqs(pmu); ret = pmu_parse_irqs(pmu);