diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index b37ef1f06b3d..356ee485be4b 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -1721,8 +1721,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp)
 		 */
 		timeout = jiffies + HZ;
 		while (!(info->lsr & UART_LSR_TEMT)) {
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(20);
+			schedule_timeout_interruptible(20);
 			if (time_after(jiffies,timeout))
 				break;
 		}
diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
index 386df71eee74..6649f8bc9951 100644
--- a/drivers/isdn/icn/icn.c
+++ b/drivers/isdn/icn/icn.c
@@ -947,8 +947,7 @@ icn_loadproto(u_char __user * buffer, icn_card * card)
 				icn_maprelease_channel(card, 0);
 				return -EIO;
 			}
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(10);
+			schedule_timeout_interruptible(10);
 		}
 	}
 	writeb(0x20, &sbuf_n);
diff --git a/drivers/isdn/isdnloop/isdnloop.c b/drivers/isdn/isdnloop/isdnloop.c
index 14e1f8fbc61f..33d339700411 100644
--- a/drivers/isdn/isdnloop/isdnloop.c
+++ b/drivers/isdn/isdnloop/isdnloop.c
@@ -1161,12 +1161,9 @@ isdnloop_command(isdn_ctrl * c, isdnloop_card * card)
 					if (a) {
 						if (!card->leased) {
 							card->leased = 1;
-							while (card->ptype == ISDN_PTYPE_UNKNOWN) {
-								set_current_state(TASK_INTERRUPTIBLE);
-								schedule_timeout(10);
-							}
-							set_current_state(TASK_INTERRUPTIBLE);
-							schedule_timeout(10);
+							while (card->ptype == ISDN_PTYPE_UNKNOWN)
+								schedule_timeout_interruptible(10);
+							schedule_timeout_interruptible(10);
 							sprintf(cbuf, "00;FV2ON\n01;EAZ1\n02;EAZ2\n");
 							i = isdnloop_writecmd(cbuf, strlen(cbuf), 0, card);
 							printk(KERN_INFO
diff --git a/drivers/isdn/sc/init.c b/drivers/isdn/sc/init.c
index 1ebed041672d..62b7acfad8a4 100644
--- a/drivers/isdn/sc/init.c
+++ b/drivers/isdn/sc/init.c
@@ -529,8 +529,7 @@ static int identify_board(unsigned long rambase, unsigned int iobase)
 	 */
 	x = 0;
 	while((inb(iobase + FIFOSTAT_OFFSET) & RF_HAS_DATA) && x < 100) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(1);
+		schedule_timeout_interruptible(1);
 		x++;
 	}
 	if(x == 100) {
diff --git a/drivers/isdn/sc/message.c b/drivers/isdn/sc/message.c
index ca204da3257d..0a0fe6b8039b 100644
--- a/drivers/isdn/sc/message.c
+++ b/drivers/isdn/sc/message.c
@@ -208,8 +208,7 @@ int send_and_receive(int card,
 	tries = 0;
 	/* wait for the response */
 	while (tries < timeout) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(1);
+		schedule_timeout_interruptible(1);
 		
 		pr_debug("SAR waiting..\n");