[PATCH] powerpc/powernv/pci: use pci_dev_id() to simplify the code

[Xiongfeng Wang]

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: Xiongfeng Wang <wangxiongfe...@huawei.com>
---
 arch/powerpc/platforms/powernv/pci-ioda.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c 
b/arch/powerpc/platforms/powernv/pci-ioda.c
index cb637827bc58..28fac4770073 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -997,14 +997,14 @@ static void pnv_pci_ioda_dma_dev_setup(struct pci_dev 
*pdev)
        struct pnv_ioda_pe *pe;
 
        /* Check if the BDFN for this device is associated with a PE yet */
-       pe = pnv_pci_bdfn_to_pe(phb, pdev->devfn | (pdev->bus->number << 8));
+       pe = pnv_pci_bdfn_to_pe(phb, pci_dev_id(pdev));
        if (!pe) {
                /* VF PEs should be pre-configured in pnv_pci_sriov_enable() */
                if (WARN_ON(pdev->is_virtfn))
                        return;
 
                pnv_pci_configure_bus(pdev->bus);
-               pe = pnv_pci_bdfn_to_pe(phb, pdev->devfn | (pdev->bus->number 
<< 8));
+               pe = pnv_pci_bdfn_to_pe(phb, pci_dev_id(pdev));
                pci_info(pdev, "Configured PE#%x\n", pe ? pe->pe_number : 
0xfffff);
 
 
@@ -2526,7 +2526,7 @@ static struct iommu_group *pnv_pci_device_group(struct 
pci_controller *hose,
        if (WARN_ON(!phb))
                return ERR_PTR(-ENODEV);
 
-       pe = pnv_pci_bdfn_to_pe(phb, pdev->devfn | (pdev->bus->number << 8));
+       pe = pnv_pci_bdfn_to_pe(phb, pci_dev_id(pdev));
        if (!pe)
                return ERR_PTR(-ENODEV);
 
-- 
2.20.1