Re: [PATCH 07/32] perf/amlogic: Assign parents for event_source devices

[Jiucheng Xu]

On 2023/4/4 21:42, Jonathan Cameron wrote:
> [ EXTERNAL EMAIL ]
>
> 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@xxxxxxxxx/
> Cc: Jiucheng Xu <jiucheng.xu@xxxxxxxxxxx>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> ---
>   drivers/perf/amlogic/meson_ddr_pmu_core.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/perf/amlogic/meson_ddr_pmu_core.c b/drivers/perf/amlogic/meson_ddr_pmu_core.c
> index b84346dbac2c..e0d3e87457e0 100644
> --- a/drivers/perf/amlogic/meson_ddr_pmu_core.c
> +++ b/drivers/perf/amlogic/meson_ddr_pmu_core.c
> @@ -490,6 +490,7 @@ int meson_ddr_pmu_create(struct platform_device *pdev)
>   	*pmu = (struct ddr_pmu) {
>   		.pmu = {
>   			.module		= THIS_MODULE,
> +			.parent		= &pdev->dev,
Reviewed-by: Jiucheng Xu <jiucheng.xu@xxxxxxxxxxx
>   			.capabilities	= PERF_PMU_CAP_NO_EXCLUDE,
>   			.task_ctx_nr	= perf_invalid_context,
>   			.attr_groups	= attr_groups,