Re: [PATCH 25/32] perf/arm-spe: Assign parents for event_source device

[Suzuki K Poulose]

On 04/04/2023 14:42, 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_spe_pmu.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
> index b9ba4c4fe5a2..a98ef633fa00 100644
> --- a/drivers/perf/arm_spe_pmu.c
> +++ b/drivers/perf/arm_spe_pmu.c
> @@ -955,6 +955,7 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu)
>   
>   	spe_pmu->pmu = (struct pmu) {
>   		.module = THIS_MODULE,
> +		.parent		= &spe_pmu->pdev->dev,
>   		.capabilities	= PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE,
>   		.attr_groups	= arm_spe_pmu_attr_groups,
>   		/*

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