On 2023/4/4 21:41, 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@xxxxxxxxx/ > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Reviewed-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx> > --- > drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c > index f1b0f5e1a28f..b4350e5dc3fc 100644 > --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c > +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c > @@ -538,6 +538,7 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, const char *name, > > pmu->name = name; > pmu->module = module; > + pmu->parent = hisi_pmu->dev; > pmu->task_ctx_nr = perf_invalid_context; > pmu->event_init = hisi_uncore_pmu_event_init; > pmu->pmu_enable = hisi_uncore_pmu_enable; >
