Re: [PATCH 04/32] perf/hisi-uncore: Assign parents for event_source devices

[Yicong Yang]

On 2023/4/4 21:41, 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>

Reviewed-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>

> ---
>  drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
> index f1b0f5e1a28f..b4350e5dc3fc 100644
> --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
> +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
> @@ -538,6 +538,7 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, const char *name,
>  
>  	pmu->name               = name;
>  	pmu->module             = module;
> +	pmu->parent		= hisi_pmu->dev;
>  	pmu->task_ctx_nr        = perf_invalid_context;
>  	pmu->event_init         = hisi_uncore_pmu_event_init;
>  	pmu->pmu_enable         = hisi_uncore_pmu_enable;
>