Currently all these devices appear directly under /sys/devices/ Only root busses should appear there, so instead assign the pmu->dev parents to be the hardware related struct device. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ Cc: Khuong Dinh <khuong@xxxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/perf/xgene_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/xgene_pmu.c b/drivers/perf/xgene_pmu.c index 0c32dffc7ede..451c01dbc1d6 100644 --- a/drivers/perf/xgene_pmu.c +++ b/drivers/perf/xgene_pmu.c @@ -1104,6 +1104,7 @@ static int xgene_init_perf(struct xgene_pmu_dev *pmu_dev, char *name) /* Perf driver registration */ pmu_dev->pmu = (struct pmu) { + .parent = pmu_dev->parent->dev, .attr_groups = pmu_dev->attr_groups, .task_ctx_nr = perf_invalid_context, .pmu_enable = xgene_perf_pmu_enable, -- 2.37.2