On 2023/4/4 21:41, 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 PCI device. > > Link: https://lore.kernel.org/linux-cxl/ZCLI9A40PJsyqAmq@xxxxxxxxx/ > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Reviewed-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx> > --- > drivers/perf/hisilicon/hisi_pcie_pmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c > index 6fee0b6e163b..2cc88d75b895 100644 > --- a/drivers/perf/hisilicon/hisi_pcie_pmu.c > +++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c > @@ -793,6 +793,7 @@ static int hisi_pcie_alloc_pmu(struct pci_dev *pdev, struct hisi_pcie_pmu *pcie_ > pcie_pmu->pmu = (struct pmu) { > .name = name, > .module = THIS_MODULE, > + .parent = &pdev->dev, > .event_init = hisi_pcie_pmu_event_init, > .pmu_enable = hisi_pcie_pmu_enable, > .pmu_disable = hisi_pcie_pmu_disable, >
