On 2023/4/4 21:42, 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 PCI device. > > Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ > Cc: Yicong Yang <yangyicong@xxxxxxxxxxxxx> > Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx> > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Reviewed-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx> > --- > 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 30f1525639b5..3868d43e9e3c 100644 > --- a/drivers/hwtracing/ptt/hisi_ptt.c > +++ b/drivers/hwtracing/ptt/hisi_ptt.c > @@ -871,6 +871,7 @@ 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_ITRACE, > .task_ctx_nr = perf_sw_context, > .attr_groups = hisi_ptt_pmu_groups, >
