perf/hisi-pcie: Assign parent for event_source device

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@kroah.com/
Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240412161057.14099-2-Jonathan.Cameron@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c
index 06b192cc31d5c397c1b95a5a3d4cacd9ef83fcbf..b1e4739fbdb0a9d61fe7eaacf1b52bec8f8b1bfa 100644 (file)
--- a/drivers/perf/hisilicon/hisi_pcie_pmu.c
+++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c
@@ -806,6 +806,7 @@ 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,