igb: use dev_printk instead of printk

Use dev_printk() instead of printk() to give a little more context
and use consistent format.

Signed-off-by: Bjorn Helgaas <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/igb/igb_main.c

···
 			state &= ~PCIE_LINK_STATE_L0S;
 			pci_write_config_word(us_dev, pos + PCI_EXP_LNKCTL,
 			                      state);
-			printk(KERN_INFO "Disabling ASPM L0s upstream switch "
-			       "port %x:%x.%x\n", us_dev->bus->number,
-			       PCI_SLOT(us_dev->devfn),
-			       PCI_FUNC(us_dev->devfn));
+			dev_info(&pdev->dev,
+				 "Disabling ASPM L0s upstream switch port %s\n",
+				 pci_name(us_dev));
 		}
 	default:
 		break;