usb-serial: use new registration API in [d-h]* drivers

This patch (as1524) modifies the following usb-serial drivers to
utilize the new usb_serial_{de}register_drivers() routines:

	digi_acceleport, empeg, ftdi_sio, funsoft, garmin_gps,
	and hp4x.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/hp4x.c b/drivers/usb/serial/hp4x.c
index 8093791..325cf09 100644
--- a/drivers/usb/serial/hp4x.c
+++ b/drivers/usb/serial/hp4x.c
@@ -41,7 +41,6 @@
 	.probe =	usb_serial_probe,
 	.disconnect =	usb_serial_disconnect,
 	.id_table =	id_table,
-	.no_dynamic_id = 	1,
 };
 
 static struct usb_serial_driver hp49gp_device = {
@@ -50,32 +49,27 @@
 		.name =		"hp4X",
 	},
 	.id_table =		id_table,
-	.usb_driver = 		&hp49gp_driver,
 	.num_ports =		1,
 };
 
+static struct usb_serial_driver * const serial_drivers[] = {
+	&hp49gp_device, NULL
+};
+
 static int __init hp49gp_init(void)
 {
 	int retval;
-	retval = usb_serial_register(&hp49gp_device);
-	if (retval)
-		goto failed_usb_serial_register;
-	retval = usb_register(&hp49gp_driver);
-	if (retval)
-		goto failed_usb_register;
-	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
-	       DRIVER_DESC "\n");
-	return 0;
-failed_usb_register:
-	usb_serial_deregister(&hp49gp_device);
-failed_usb_serial_register:
+
+	retval = usb_serial_register_drivers(&hp49gp_driver, serial_drivers);
+	if (retval == 0)
+		printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+			       DRIVER_DESC "\n");
 	return retval;
 }
 
 static void __exit hp49gp_exit(void)
 {
-	usb_deregister(&hp49gp_driver);
-	usb_serial_deregister(&hp49gp_device);
+	usb_serial_deregister_drivers(&hp49gp_driver, serial_drivers);
 }
 
 module_init(hp49gp_init);