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perf/arm_cspmu: Assign parents for event_source devices
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>
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@ -1206,6 +1206,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu)
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cspmu->pmu = (struct pmu){
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.task_ctx_nr = perf_invalid_context,
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.module = cspmu->impl.module,
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.parent = cspmu->dev,
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.pmu_enable = arm_cspmu_enable,
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.pmu_disable = arm_cspmu_disable,
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.event_init = arm_cspmu_event_init,
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