On 4/12/24 9:10 AM, Jonathan Cameron wrote: > 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> Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx> > --- > 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;
