[PATCH 19/32] perf/arm-cci: Assign parents for event_source device
Suzuki K Poulose
suzuki.poulose at arm.com
Tue Apr 4 07:45:11 PDT 2023
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>
Reviewed-by: Suzuki K Poulose <suzuki.poulose at arm.com>
> ---
> drivers/perf/arm-cci.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c
> index 03b1309875ae..502581ba7d15 100644
> --- a/drivers/perf/arm-cci.c
> +++ b/drivers/perf/arm-cci.c
> @@ -1412,6 +1412,7 @@ static int cci_pmu_init(struct cci_pmu *cci_pmu, struct platform_device *pdev)
>
> cci_pmu->pmu = (struct pmu) {
> .module = THIS_MODULE,
> + .parent = &pdev->dev,
> .name = cci_pmu->model->name,
> .task_ctx_nr = perf_invalid_context,
> .pmu_enable = cci_pmu_enable,
More information about the linux-arm-kernel
mailing list