netdevice: safe convert to netdev_priv() #part-1

We have some reasons to kill netdev->priv:
1. netdev->priv is equal to netdev_priv().
2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously
   netdev_priv() is more flexible than netdev->priv.
But we cann't kill netdev->priv, because so many drivers reference to it
directly.

This patch is a safe convert for netdev->priv to netdev_priv(netdev).
Since all of the netdev->priv is only for read.
But it is too big to be sent in one mail.
I split it to 4 parts and make every part smaller than 100,000 bytes,
which is max size allowed by vger.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/arcnet/arc-rimi.c b/drivers/net/arcnet/arc-rimi.c
index 8c8d6c45..e3082a9 100644
--- a/drivers/net/arcnet/arc-rimi.c
+++ b/drivers/net/arcnet/arc-rimi.c
@@ -194,7 +194,7 @@
 
 	/* initialize the rest of the device structure. */
 
-	lp = dev->priv;
+	lp = netdev_priv(dev);
 	lp->card_name = "RIM I";
 	lp->hw.command = arcrimi_command;
 	lp->hw.status = arcrimi_status;
@@ -260,7 +260,7 @@
  */
 static int arcrimi_reset(struct net_device *dev, int really_reset)
 {
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->mem_start + 0x800;
 
 	BUGMSG(D_INIT, "Resetting %s (status=%02Xh)\n", dev->name, ASTATUS());
@@ -281,7 +281,7 @@
 
 static void arcrimi_setmask(struct net_device *dev, int mask)
 {
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->mem_start + 0x800;
 
 	AINTMASK(mask);
@@ -289,7 +289,7 @@
 
 static int arcrimi_status(struct net_device *dev)
 {
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->mem_start + 0x800;
 
 	return ASTATUS();
@@ -297,7 +297,7 @@
 
 static void arcrimi_command(struct net_device *dev, int cmd)
 {
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->mem_start + 0x800;
 
 	ACOMMAND(cmd);
@@ -306,7 +306,7 @@
 static void arcrimi_copy_to_card(struct net_device *dev, int bufnum, int offset,
 				 void *buf, int count)
 {
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 	void __iomem *memaddr = lp->mem_start + 0x800 + bufnum * 512 + offset;
 	TIME("memcpy_toio", count, memcpy_toio(memaddr, buf, count));
 }
@@ -315,7 +315,7 @@
 static void arcrimi_copy_from_card(struct net_device *dev, int bufnum, int offset,
 				   void *buf, int count)
 {
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 	void __iomem *memaddr = lp->mem_start + 0x800 + bufnum * 512 + offset;
 	TIME("memcpy_fromio", count, memcpy_fromio(buf, memaddr, count));
 }
@@ -361,7 +361,7 @@
 static void __exit arc_rimi_exit(void)
 {
 	struct net_device *dev = my_dev;
-	struct arcnet_local *lp = dev->priv;
+	struct arcnet_local *lp = netdev_priv(dev);
 
 	unregister_netdev(dev);
 	iounmap(lp->mem_start);