PLIP driver: convert the semaphore killed_timer_sem to completion

Signed-off-by: NMatthias Kaehlcke <matthias.kaehlcke@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/plip.c

@@ -106,6 +106,7 @@ static const char version[] = "NET3 PLIP version 2.4-parport gniibe@mri.co.jp\n"
 #include <linux/if_plip.h>
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
+#include <linux/completion.h>
 #include <linux/parport.h>
 #include <linux/bitops.h>
 
@@ -114,7 +115,6 @@ static const char version[] = "NET3 PLIP version 2.4-parport gniibe@mri.co.jp\n"
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/byteorder.h>
-#include <asm/semaphore.h>
 
 /* Maximum number of devices to support. */
 #define PLIP_MAX  8
@@ -221,7 +221,7 @@ struct net_local {
 	int should_relinquish;
 	spinlock_t lock;
 	atomic_t kill_timer;
-	struct semaphore killed_timer_sem;
+	struct completion killed_timer_cmp;
 };
 
 static inline void enable_parport_interrupts (struct net_device *dev)
@@ -385,7 +385,7 @@ plip_timer_bh(struct work_struct *work)
 		schedule_delayed_work(&nl->timer, 1);
 	}
 	else {
-		up (&nl->killed_timer_sem);
+		complete(&nl->killed_timer_cmp);
 	}
 }
 
@@ -1112,9 +1112,9 @@ plip_close(struct net_device *dev)
 
 	if (dev->irq == -1)
 	{
-		init_MUTEX_LOCKED (&nl->killed_timer_sem);
+		init_completion(&nl->killed_timer_cmp);
 		atomic_set (&nl->kill_timer, 1);
-		down (&nl->killed_timer_sem);
+		wait_for_completion(&nl->killed_timer_cmp);
 	}
 
 #ifdef NOTDEF