net: seeq: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/seeq/ether3.c

@@ -170,9 +170,11 @@ ether3_setbuffer(struct net_device *dev, buffer_rw_t read, int start)
 /*
  * Switch LED off...
  */
-static void ether3_ledoff(unsigned long data)
+static void ether3_ledoff(struct timer_list *t)
 {
-	struct net_device *dev = (struct net_device *)data;
+	struct dev_priv *private = from_timer(priv, t, timer);
+	struct net_device *dev = private->dev;
+
 	ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2);
 }
 
@@ -183,8 +185,6 @@ static inline void ether3_ledon(struct net_device *dev)
 {
 	del_timer(&priv(dev)->timer);
 	priv(dev)->timer.expires = jiffies + HZ / 50; /* leave on for 1/50th second */
-	priv(dev)->timer.data = (unsigned long)dev;
-	priv(dev)->timer.function = ether3_ledoff;
 	add_timer(&priv(dev)->timer);
 	if (priv(dev)->regs.config2 & CFG2_CTRLO)
 		ether3_outw(priv(dev)->regs.config2 &= ~CFG2_CTRLO, REG_CONFIG2);
@@ -783,7 +783,8 @@ ether3_probe(struct expansion_card *ec, const struct ecard_id *id)
 
 	ether3_addr(dev->dev_addr, ec);
 
-	init_timer(&priv(dev)->timer);
+	priv(dev)->dev = dev;
+	timer_setup(&priv(dev)->timer, ether3_ledoff, 0);
 
 	/* Reset card...
 	 */

drivers/net/ethernet/seeq/ether3.h

@@ -165,6 +165,7 @@ struct dev_priv {
     unsigned char tx_tail;		/* buffer nr of transmitting packet	 */
     unsigned int rx_head;		/* address to fetch next packet from	 */
     struct timer_list timer;
+    net_device *dev;
     int broken;				/* 0 = ok, 1 = something went wrong	 */
 };