Re: [PATCH v2 16/30] perf/arm_pmu: Assign parents for event_source devices

[Suzuki K Poulose]

On 12/04/2024 17:10, Jonathan Cameron wrote:
> 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@xxxxxxxxx/
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> ---
>   drivers/perf/arm_pmu_platform.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c
> index 3596db36cbff..4b1a9a92ea11 100644
> --- a/drivers/perf/arm_pmu_platform.c
> +++ b/drivers/perf/arm_pmu_platform.c
> @@ -196,6 +196,7 @@ int arm_pmu_device_probe(struct platform_device *pdev,
>   	if (!pmu)
>   		return -ENOMEM;
>   
> +	pmu->pmu.parent = &pdev->dev;
>   	pmu->plat_device = pdev;
>   
>   	ret = pmu_parse_irqs(pmu);


Reviewed-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>