powerpc/eeh: Use pci_dev_id() to simplify the code

PCI core API pci_dev_id() can be used to get the BDF number for a pci
device. We don't need to compose it mannually. Use pci_dev_id() to
simplify the code a little bit.

Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230815023303.3515503-1-zhangjialin11@huawei.com

diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index a83cb67..af3a5d3 100644 (file)
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -855,8 +855,7 @@ static int pnv_eeh_bridge_reset(struct pci_dev *pdev, int option)
        struct pci_controller *hose = pci_bus_to_host(pdev->bus);
        struct pnv_phb *phb = hose->private_data;
        struct device_node *dn = pci_device_to_OF_node(pdev);
-       uint64_t id = PCI_SLOT_ID(phb->opal_id,
-                                 (pdev->bus->number << 8) | pdev->devfn);
+       uint64_t id = PCI_SLOT_ID(phb->opal_id, pci_dev_id(pdev));
        uint8_t scope;
        int64_t rc;