netdevice: safe convert to netdev_priv() #part-2

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/ni52.c b/drivers/net/ni52.c
index 6d7cf3c9..10cfd0f 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -214,7 +214,7 @@
 /* wait for command with timeout: */
 static void wait_for_scb_cmd(struct net_device *dev)
 {
-	struct priv *p = dev->priv;
+	struct priv *p = netdev_priv(dev);
 	int i;
 	for (i = 0; i < 16384; i++) {
 		if (readb(&p->scb->cmd_cuc) == 0)
@@ -233,7 +233,7 @@
 
 static void wait_for_scb_cmd_ruc(struct net_device *dev)
 {
-	struct priv *p = dev->priv;
+	struct priv *p = netdev_priv(dev);
 	int i;
 	for (i = 0; i < 16384; i++) {
 		if (readb(&p->scb->cmd_ruc) == 0)
@@ -298,7 +298,7 @@
 static int check_iscp(struct net_device *dev, void __iomem *addr)
 {
 	struct iscp_struct __iomem *iscp = addr;
-	struct priv *p = dev->priv;
+	struct priv *p = netdev_priv(dev);
 	memset_io(iscp, 0, sizeof(struct iscp_struct));
 
 	writel(make24(iscp), &p->scp->iscp);
@@ -318,7 +318,7 @@
  */
 static int check586(struct net_device *dev, unsigned size)
 {
-	struct priv *p = dev->priv;
+	struct priv *p = netdev_priv(dev);
 	int i;
 
 	p->mapped = ioremap(dev->mem_start, size);
@@ -354,7 +354,7 @@
  */
 static void alloc586(struct net_device *dev)
 {
-	struct priv *p =	(struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	ni_reset586();
 	mdelay(32);
@@ -400,7 +400,7 @@
 	if (!dev)
 		return ERR_PTR(-ENOMEM);
 
-	p = dev->priv;
+	p = netdev_priv(dev);
 
 	if (unit >= 0) {
 		sprintf(dev->name, "eth%d", unit);
@@ -446,7 +446,7 @@
 static int __init ni52_probe1(struct net_device *dev, int ioaddr)
 {
 	int i, size, retval;
-	struct priv *priv = dev->priv;
+	struct priv *priv = netdev_priv(dev);
 
 	dev->base_addr = ioaddr;
 	dev->irq = irq;
@@ -588,7 +588,7 @@
 {
 	void __iomem *ptr;
 	int i, result = 0;
-	struct priv *p = (struct priv *)dev->priv;
+	struct priv *p = netdev_priv(dev);
 	struct configure_cmd_struct __iomem *cfg_cmd;
 	struct iasetup_cmd_struct __iomem *ias_cmd;
 	struct tdr_cmd_struct __iomem *tdr_cmd;
@@ -829,7 +829,7 @@
 	struct rfd_struct __iomem *rfd = ptr;
 	struct rbd_struct __iomem *rbd;
 	int i;
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	memset_io(rfd, 0,
 		sizeof(struct rfd_struct) * (p->num_recv_buffs + rfdadd));
@@ -878,7 +878,7 @@
 	int cnt = 0;
 	struct priv *p;
 
-	p = (struct priv *) dev->priv;
+	p = netdev_priv(dev);
 
 	if (debuglevel > 1)
 		printk("I");
@@ -950,7 +950,7 @@
 	unsigned short totlen;
 	struct sk_buff *skb;
 	struct rbd_struct __iomem *rbd;
-	struct priv *p = (struct priv *)dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	if (debuglevel > 0)
 		printk("R");
@@ -1039,7 +1039,7 @@
 
 static void ni52_rnr_int(struct net_device *dev)
 {
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	p->stats.rx_errors++;
 
@@ -1064,7 +1064,7 @@
 static void ni52_xmt_int(struct net_device *dev)
 {
 	int status;
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	if (debuglevel > 0)
 		printk("X");
@@ -1112,7 +1112,7 @@
 
 static void startrecv586(struct net_device *dev)
 {
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	wait_for_scb_cmd(dev);
 	wait_for_scb_cmd_ruc(dev);
@@ -1125,7 +1125,7 @@
 
 static void ni52_timeout(struct net_device *dev)
 {
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 #ifndef NO_NOPCOMMANDS
 	if (readb(&p->scb->cus) & CU_ACTIVE) { /* COMMAND-UNIT active? */
 		netif_wake_queue(dev);
@@ -1176,7 +1176,7 @@
 #ifndef NO_NOPCOMMANDS
 	int next_nop;
 #endif
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 
 	if (skb->len > XMIT_BUFF_SIZE) {
 		printk(KERN_ERR "%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n", dev->name, XMIT_BUFF_SIZE, skb->len);
@@ -1273,7 +1273,7 @@
 
 static struct net_device_stats *ni52_get_stats(struct net_device *dev)
 {
-	struct priv *p = (struct priv *) dev->priv;
+	struct priv *p = netdev_priv(dev);
 	unsigned short crc, aln, rsc, ovrn;
 
 	/* Get error-statistics from the ni82586 */
@@ -1336,7 +1336,7 @@
 
 void __exit cleanup_module(void)
 {
-	struct priv *p = dev_ni52->priv;
+	struct priv *p = netdev_priv(dev_ni52);
 	unregister_netdev(dev_ni52);
 	iounmap(p->mapped);
 	release_region(dev_ni52->base_addr, NI52_TOTAL_SIZE);