[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 <wangxiongfeng2 at 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