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: Vineet Gupta <vgupta@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- arch/arc/kernel/perf_event.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index adff957962da..bd4c2c110afe 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -788,6 +788,7 @@ static int arc_pmu_device_probe(struct platform_device *pdev) arc_pmu->attr_groups[ARCPMU_ATTR_GR_FORMATS] = &arc_pmu_format_attr_gr; arc_pmu->pmu = (struct pmu) { + .parent = &pdev->dev, .pmu_enable = arc_pmu_enable, .pmu_disable = arc_pmu_disable, .event_init = arc_pmu_event_init, -- 2.39.2
