[PATCH 23/32] perf/arm-dsu: Assign parents for event_source device
Suzuki K Poulose
suzuki.poulose at arm.com
Tue Apr 4 07:52:23 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>
> ---
> drivers/perf/arm_dsu_pmu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
> index fe2abb412c00..de75c00cb456 100644
> --- a/drivers/perf/arm_dsu_pmu.c
> +++ b/drivers/perf/arm_dsu_pmu.c
> @@ -751,6 +751,7 @@ static int dsu_pmu_device_probe(struct platform_device *pdev)
>
> dsu_pmu->pmu = (struct pmu) {
> .task_ctx_nr = perf_invalid_context,
> + .parent = &pdev->dev,
> .module = THIS_MODULE,
> .pmu_enable = dsu_pmu_enable,
> .pmu_disable = dsu_pmu_disable,
Reviewed-by: Suzuki K Poulose <suzuki.poulose at arm.com>
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