PCI: PCIe portdrv: Simplily probe callback of service drivers

The second argument of the ->probe() callback in
struct pcie_port_service_driver is unnecessary and never used.
Remove it.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 91ecbc4..682524b 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -402,7 +402,7 @@
 		return -ENODEV;
 
 	pciedev = to_pcie_device(dev);
-	status = driver->probe(pciedev, driver->id_table);
+	status = driver->probe(pciedev);
 	if (!status) {
 		dev_printk(KERN_DEBUG, dev, "service driver %s loaded\n",
 			driver->name);