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perf/arm-smmuv3: Assign parents for event_source device

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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>
Link: https://lore.kernel.org/r/20240412161057.14099-23-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Jonathan Cameron 2024-04-12 17:10:49 +01:00 committed by Will Deacon
parent bc81ae2efb
commit a8889fbf16
1 changed files with 1 additions and 0 deletions
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drivers/perf/arm_smmuv3_pmu.c
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@ -860,6 +860,7 @@ static int smmu_pmu_probe(struct platform_device *pdev)
smmu_pmu->pmu = (struct pmu) { smmu_pmu->pmu = (struct pmu) {
.module = THIS_MODULE, .module = THIS_MODULE,
.parent = &pdev->dev,
.task_ctx_nr = perf_invalid_context, .task_ctx_nr = perf_invalid_context,
.pmu_enable = smmu_pmu_enable, .pmu_enable = smmu_pmu_enable,
.pmu_disable = smmu_pmu_disable, .pmu_disable = smmu_pmu_disable,