drivers/net: eliminate irq handler impossible checks, needless casts

[mirror_ubuntu-zesty-kernel.git] / drivers / net / pcmcia / axnet_cs.c

diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index c54f6a7ebf31d95aea1ec4269c56d9ed2d6cbdc7..5ddd5742f7794f47c0f129d3c846b99df7089a45 100644 (file)
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -91,8 +91,8 @@ static void axnet_release(struct pcmcia_device *link);
 static int axnet_open(struct net_device *dev);
 static int axnet_close(struct net_device *dev);
 static int axnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static struct ethtool_ops netdev_ethtool_ops;
-static irqreturn_t ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs);
+static const struct ethtool_ops netdev_ethtool_ops;
+static irqreturn_t ei_irq_wrapper(int irq, void *dev_id);
 static void ei_watchdog(u_long arg);
 static void axnet_reset_8390(struct net_device *dev);
 
@@ -112,7 +112,7 @@ static void axdev_setup(struct net_device *dev);
 static void AX88190_init(struct net_device *dev, int startp);
 static int ax_open(struct net_device *dev);
 static int ax_close(struct net_device *dev);
-static irqreturn_t ax_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t ax_interrupt(int irq, void *dev_id);
 
 /*====================================================================*/
 
@@ -599,11 +599,11 @@ static void axnet_reset_8390(struct net_device *dev)
 
 /*====================================================================*/
 
-static irqreturn_t ei_irq_wrapper(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ei_irq_wrapper(int irq, void *dev_id)
 {
     struct net_device *dev = dev_id;
     PRIV(dev)->stale = 0;
-    return ax_interrupt(irq, dev_id, regs);
+    return ax_interrupt(irq, dev_id);
 }
 
 static void ei_watchdog(u_long arg)
@@ -621,7 +621,7 @@ static void ei_watchdog(u_long arg)
     if (info->stale++ && (inb_p(nic_base + EN0_ISR) & ENISR_ALL)) {
        if (!info->fast_poll)
            printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name);
-       ei_irq_wrapper(dev->irq, dev, NULL);
+       ei_irq_wrapper(dev->irq, dev);
        info->fast_poll = HZ;
     }
     if (info->fast_poll) {
@@ -671,7 +671,7 @@ static void netdev_get_drvinfo(struct net_device *dev,
        strcpy(info->driver, "axnet_cs");
 }
 
-static struct ethtool_ops netdev_ethtool_ops = {
+static const struct ethtool_ops netdev_ethtool_ops = {
        .get_drvinfo            = netdev_get_drvinfo,
 };
 
@@ -1193,7 +1193,7 @@ static int ei_start_xmit(struct sk_buff *skb, struct net_device *dev)
  * needed.
  */
 
-static irqreturn_t ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t ax_interrupt(int irq, void *dev_id)
 {
        struct net_device *dev = dev_id;
        long e8390_base;
@@ -1201,14 +1201,8 @@ static irqreturn_t ax_interrupt(int irq, void *dev_id, struct pt_regs * regs)
        struct ei_device *ei_local;
        int handled = 0;
 
-       if (dev == NULL) 
-       {
-               printk ("net_interrupt(): irq %d for unknown device.\n", irq);
-               return IRQ_NONE;
-       }
-    
        e8390_base = dev->base_addr;
-       ei_local = (struct ei_device *) netdev_priv(dev);
+       ei_local = netdev_priv(dev);
 
        /*
         *      Protect the irq test too.