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@xxxxxxxxx/ Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx> Reviewed-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- 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, -- 2.39.2
