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.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	 */
 };