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: linux-fpga@xxxxxxxxxxxxxxx Reviewed-by: Xu Yilun <yilun.xu@xxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/fpga/dfl-fme-perf.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c index 7422d2bc6f37..2d59f1c620b1 100644 --- a/drivers/fpga/dfl-fme-perf.c +++ b/drivers/fpga/dfl-fme-perf.c @@ -912,6 +912,7 @@ static int fme_perf_pmu_register(struct platform_device *pdev, fme_perf_setup_hardware(priv); + pmu->parent = &pdev->dev; pmu->task_ctx_nr = perf_invalid_context; pmu->attr_groups = fme_perf_groups; pmu->attr_update = fme_perf_events_groups; -- 2.39.2
