[PATCH 20/32] perf/arm-ccn: 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@kroah.com/
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
> ---
>   drivers/perf/arm-ccn.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c
> index 728d13d8e98a..dc8b0dcb436e 100644
> --- a/drivers/perf/arm-ccn.c
> +++ b/drivers/perf/arm-ccn.c
> @@ -1265,6 +1265,7 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn)
>   	/* Perf driver registration */
>   	ccn->dt.pmu = (struct pmu) {
>   		.module = THIS_MODULE,
> +		.parent = ccn->dev,
>   		.attr_groups = arm_ccn_pmu_attr_groups,
>   		.task_ctx_nr = perf_invalid_context,
>   		.event_init = arm_ccn_pmu_event_init,


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