[PATCH] w1: replace obsoleted *sleep_on*

Remove obsoleded *sleep_on*.

Since they are used only to wait for a given flags and awakening
only happens on signals, we can just replace them with
msleep_interruptible.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/w1/w1.c

@@ -58,7 +58,6 @@ LIST_HEAD(w1_masters);
 static pid_t control_thread;
 static int control_needs_exit;
 static DECLARE_COMPLETION(w1_control_complete);
-static DECLARE_WAIT_QUEUE_HEAD(w1_control_wait);
 
 static int w1_master_match(struct device *dev, struct device_driver *drv)
 {
@@ -649,7 +648,7 @@ int w1_control(void *data)
 	struct w1_slave *sl;
 	struct w1_master *dev;
 	struct list_head *ent, *ment, *n, *mn;
-	int err, have_to_wait = 0, timeout;
+	int err, have_to_wait = 0;
 
 	daemonize("w1_control");
 	allow_signal(SIGTERM);
@@ -657,11 +656,8 @@ int w1_control(void *data)
 	while (!control_needs_exit || have_to_wait) {
 		have_to_wait = 0;
 
-		timeout = w1_timeout*HZ;
-		do {
-			timeout = interruptible_sleep_on_timeout(&w1_control_wait, timeout);
-			try_to_freeze(PF_FREEZE);
-		} while (!signal_pending(current) && (timeout > 0));
+		try_to_freeze(PF_FREEZE);
+		msleep_interruptible(w1_timeout * 1000);
 
 		if (signal_pending(current))
 			flush_signals(current);
@@ -721,7 +717,6 @@ int w1_control(void *data)
 int w1_process(void *data)
 {
 	struct w1_master *dev = (struct w1_master *) data;
-	unsigned long timeout;
 	struct list_head *ent, *n;
 	struct w1_slave *sl;
 
@@ -729,11 +724,8 @@ int w1_process(void *data)
 	allow_signal(SIGTERM);
 
 	while (!dev->need_exit) {
-		timeout = w1_timeout*HZ;
-		do {
-			timeout = interruptible_sleep_on_timeout(&dev->kwait, timeout);
-			try_to_freeze(PF_FREEZE);
-		} while (!signal_pending(current) && (timeout > 0));
+		try_to_freeze(PF_FREEZE);
+		msleep_interruptible(w1_timeout * 1000);
 
 		if (signal_pending(current))
 			flush_signals(current);

drivers/w1/w1.h

@@ -115,7 +115,6 @@ struct w1_master
 
 	int			need_exit;
 	pid_t			kpid;
-	wait_queue_head_t 	kwait;
 	struct semaphore 	mutex;
 
 	struct device_driver	*driver;

drivers/w1/w1_int.c

@@ -74,7 +74,6 @@ struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
 	INIT_LIST_HEAD(&dev->slist);
 	init_MUTEX(&dev->mutex);
 
-	init_waitqueue_head(&dev->kwait);
 	init_completion(&dev->dev_released);
 	init_completion(&dev->dev_exited);