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 platform device. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ Cc: Robert Richter <rric@xxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/perf/thunderx2_pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/perf/thunderx2_pmu.c b/drivers/perf/thunderx2_pmu.c index e16d10c763de..4af1510d196d 100644 --- a/drivers/perf/thunderx2_pmu.c +++ b/drivers/perf/thunderx2_pmu.c @@ -729,6 +729,7 @@ static int tx2_uncore_pmu_register( /* Perf event registration */ tx2_pmu->pmu = (struct pmu) { .module = THIS_MODULE, + .parent = tx2_pmu->dev, .attr_groups = tx2_pmu->attr_groups, .task_ctx_nr = perf_invalid_context, .event_init = tx2_uncore_event_init, -- 2.39.2
