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 iDXD PCI Device. Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: Dave Jiang <dave.jiang@xxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- drivers/dma/idxd/perfmon.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/idxd/perfmon.c b/drivers/dma/idxd/perfmon.c index fdda6d604262..fbb586eed0b3 100644 --- a/drivers/dma/idxd/perfmon.c +++ b/drivers/dma/idxd/perfmon.c @@ -477,6 +477,7 @@ static void idxd_pmu_init(struct idxd_pmu *idxd_pmu) } idxd_pmu->pmu.name = idxd_pmu->name; + idxd_pmu->pmu.parent = &idxd_pmu->idxd->pdev->dev; idxd_pmu->pmu.attr_groups = perfmon_attr_groups; idxd_pmu->pmu.task_ctx_nr = perf_invalid_context; idxd_pmu->pmu.event_init = perfmon_pmu_event_init; -- 2.39.2
