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> --- drivers/perf/arm_dmc620_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c index 8a81be2dd5ec..2ec96e204c40 100644 --- a/drivers/perf/arm_dmc620_pmu.c +++ b/drivers/perf/arm_dmc620_pmu.c @@ -673,6 +673,7 @@ static int dmc620_pmu_device_probe(struct platform_device *pdev) dmc620_pmu->pmu = (struct pmu) { .module = THIS_MODULE, + .parent = &pdev->dev, .capabilities = PERF_PMU_CAP_NO_EXCLUDE, .task_ctx_nr = perf_invalid_context, .event_init = dmc620_pmu_event_init, -- 2.39.2
