rocker: rename rocker.c to rocker_main.c

Since "rocker.c" is going to be split into multiple files, start with
renaming original "rocker.c" file to "rocker_main.c". Multiple code
parts are going to be cut from "rocker_main.c" later on.

Fix couple of checkpatch issues on the way.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/Makefile

@@ -3,3 +3,4 @@
 #
 
 obj-$(CONFIG_ROCKER) += rocker.o
+rocker-y := rocker_main.o

drivers/net/ethernet/rocker/rocker.c → drivers/net/ethernet/rocker/rocker_main.c

 /*
  * drivers/net/ethernet/rocker/rocker.c - Rocker switch device driver
- * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
+ * Copyright (c) 2014-2016 Jiri Pirko <jiri@mellanox.com>
  * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -922,7 +922,8 @@ static bool rocker_desc_gen(const struct rocker_desc_info *desc_info)
 	return comp_err & ROCKER_DMA_DESC_COMP_ERR_GEN ? true : false;
 }
 
-static void *rocker_desc_cookie_ptr_get(const struct rocker_desc_info *desc_info)
+static void *
+rocker_desc_cookie_ptr_get(const struct rocker_desc_info *desc_info)
 {
 	return (void *)(uintptr_t)desc_info->desc->cookie;
 }
@@ -4595,7 +4596,8 @@ static int rocker_port_vlan_dump(const struct rocker_port *rocker_port,
 		vlan->flags = 0;
 		if (rocker_vlan_id_is_internal(htons(vid)))
 			vlan->flags |= BRIDGE_VLAN_INFO_PVID;
-		vlan->vid_begin = vlan->vid_end = vid;
+		vlan->vid_begin = vid;
+		vlan->vid_end = vid;
 		err = cb(&vlan->obj);
 		if (err)
 			break;
@@ -5333,7 +5335,6 @@ static int rocker_port_bridge_leave(struct rocker_port *rocker_port)
 	return err;
 }
 
-
 static int rocker_port_ovs_changed(struct rocker_port *rocker_port,
 				   struct net_device *master)
 {