ssb: Use pci_is_pcie()

Use function pci_is_pcie() instead of accessing struct member directly.

CC: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index ee079ab..5a0985d 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -405,10 +405,10 @@
 				/* Ignore PCI cores on PCI-E cards.
 				 * Ignore PCI-E cores on PCI cards. */
 				if (dev->id.coreid == SSB_DEV_PCI) {
-					if (bus->host_pci->is_pcie)
+					if (pci_is_pcie(bus->host_pci))
 						continue;
 				} else {
-					if (!bus->host_pci->is_pcie)
+					if (!pci_is_pcie(bus->host_pci))
 						continue;
 				}
 			}