[PATCH] drivers/isdn/i4l/: possible cleanups

This patch contains the following possible cleanups:
- make needlessly global code static
- remove the following unused global function:
  - isdn_audio.c: isdn_audio_2adpcm_flush
- remove the following unused struct:
  - isdn_net.c: isdn_concap_demand_dial_dops

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index e2b790e..f30e8e6 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -176,7 +176,7 @@
 
 /* Prototypes */
 
-int isdn_net_force_dial_lp(isdn_net_local *);
+static int isdn_net_force_dial_lp(isdn_net_local *);
 static int isdn_net_start_xmit(struct sk_buff *, struct net_device *);
 
 static void isdn_net_ciscohdlck_connected(isdn_net_local *lp);
@@ -312,7 +312,7 @@
  * Since this function is called every second, simply reset the
  * byte-counter of the interface after copying it to the cps-variable.
  */
-unsigned long last_jiffies = -HZ;
+static unsigned long last_jiffies = -HZ;
 
 void
 isdn_net_autohup(void)
@@ -1131,7 +1131,7 @@
 }
 
 
-void isdn_net_tx_timeout(struct net_device * ndev)
+static void isdn_net_tx_timeout(struct net_device * ndev)
 {
 	isdn_net_local *lp = (isdn_net_local *) ndev->priv;
 
@@ -1424,7 +1424,7 @@
 }
 
 /* cisco hdlck device private ioctls */
-int
+static int
 isdn_ciscohdlck_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
 	isdn_net_local *lp = (isdn_net_local *) dev->priv;
@@ -2461,7 +2461,7 @@
  * This is called from the userlevel-routine below or
  * from isdn_net_start_xmit().
  */
-int
+static int
 isdn_net_force_dial_lp(isdn_net_local * lp)
 {
 	if ((!(lp->flags & ISDN_NET_CONNECTED)) && !lp->dialstate) {