[PATCH 08/32] perf/arm_cspmu: Assign parents for event_source devices

Suzuki K Poulose suzuki.poulose at arm.com
Tue Apr 4 07:50:51 PDT 2023


On 04/04/2023 14:42, Jonathan Cameron wrote:
> 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/
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
> ---
>   drivers/perf/arm_cspmu/arm_cspmu.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c
> index e31302ab7e37..4390e4fb1e95 100644
> --- a/drivers/perf/arm_cspmu/arm_cspmu.c
> +++ b/drivers/perf/arm_cspmu/arm_cspmu.c
> @@ -1155,6 +1155,7 @@ static int arm_cspmu_register_pmu(struct arm_cspmu *cspmu)
>   	cspmu->pmu = (struct pmu){
>   		.task_ctx_nr	= perf_invalid_context,
>   		.module		= THIS_MODULE,
> +		.parent		= cspmu->dev,
>   		.pmu_enable	= arm_cspmu_enable,
>   		.pmu_disable	= arm_cspmu_disable,
>   		.event_init	= arm_cspmu_event_init,

Reviewed-by: Suzuki K Poulose <suzuki.poulose at arm.com>



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