[PATCH v2 30/30] hwtracing: hisi_ptt: Assign parent for event_source device
Suzuki K Poulose
suzuki.poulose at arm.com
Tue Apr 16 02:38:06 PDT 2024
On 12/04/2024 17:10, 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 PCI device.
>
> Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@kroah.com/
> Cc: Suzuki K Poulose <suzuki.poulose at arm.com>
> Reviewed-by: Yicong Yang <yangyicong at hisilicon.com>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron at huawei.com>
> ---
> drivers/hwtracing/ptt/hisi_ptt.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c
> index 4bf04a977840..3090479a2979 100644
> --- a/drivers/hwtracing/ptt/hisi_ptt.c
> +++ b/drivers/hwtracing/ptt/hisi_ptt.c
> @@ -1221,6 +1221,7 @@ static int hisi_ptt_register_pmu(struct hisi_ptt *hisi_ptt)
>
> hisi_ptt->hisi_ptt_pmu = (struct pmu) {
> .module = THIS_MODULE,
> + .parent = &hisi_ptt->pdev->dev,
> .capabilities = PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_NO_EXCLUDE,
> .task_ctx_nr = perf_sw_context,
> .attr_groups = hisi_ptt_pmu_groups,
Acked-by: Suzuki K Poulose <suzuki.poulose at arm.com>
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