On 2023/4/4 PM9:42, 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@xxxxxxxxx/ > Cc: Shuai Xue <xueshuai@xxxxxxxxxxxxxxxxx> > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > --- > drivers/perf/alibaba_uncore_drw_pmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/alibaba_uncore_drw_pmu.c b/drivers/perf/alibaba_uncore_drw_pmu.c > index a7689fecb49d..0d129acf3f84 100644 > --- a/drivers/perf/alibaba_uncore_drw_pmu.c > +++ b/drivers/perf/alibaba_uncore_drw_pmu.c > @@ -683,6 +683,7 @@ static int ali_drw_pmu_probe(struct platform_device *pdev) > > drw_pmu->pmu = (struct pmu) { > .module = THIS_MODULE, > + .parent = &pdev->dev, > .task_ctx_nr = perf_invalid_context, > .event_init = ali_drw_pmu_event_init, > .add = ali_drw_pmu_add, Reviewed-by: Shuai Xue <xueshuai@xxxxxxxxxxxxxxxxx> Thank you. Best Regards, Shuai