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/ Reviewed-by: 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 a9277dcf90ce..aa378c765a74 100644 --- a/drivers/perf/alibaba_uncore_drw_pmu.c +++ b/drivers/perf/alibaba_uncore_drw_pmu.c @@ -709,6 +709,7 @@ 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, -- 2.39.2
