X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwan%2Fcosa.c;h=45ddfc9763ccc176004640a3356be0265c6b3dbc;hb=1ff184225b15930ea118ac2130f074c741d34f08;hp=ff37bf437a99e3b955e373b12b2070c1ba37b62d;hpb=f2e1d89f9b349b3cd914b7c6ec6368632f4ad048;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index ff37bf437a9..45ddfc9763c 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -90,6 +90,7 @@
 #include <linux/ioport.h>
 #include <linux/netdevice.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <linux/device.h>
 
 #undef COSA_SLOW_IO	/* for testing purposes only */
@@ -127,7 +128,8 @@ struct channel_data {
 	int (*tx_done)(struct channel_data *channel, int size);
 
 	/* Character device parts */
-	struct semaphore rsem, wsem;
+	struct mutex rlock;
+	struct semaphore wsem;
 	char *rxdata;
 	int rxsize;
 	wait_queue_head_t txwaitq, rxwaitq;
@@ -395,8 +397,7 @@ static int __init cosa_init(void)
 		goto out_chrdev;
 	}
 	for (i=0; i<nr_cards; i++) {
-		class_device_create(cosa_class, NULL, MKDEV(cosa_major, i),
-				NULL, "cosa%d", i);
+		device_create(cosa_class, NULL, MKDEV(cosa_major, i), "cosa%d", i);
 	}
 	err = 0;
 	goto out;
@@ -415,7 +416,7 @@ static void __exit cosa_exit(void)
 	printk(KERN_INFO "Unloading the cosa module\n");
 
 	for (i=0; i<nr_cards; i++)
-		class_device_destroy(cosa_class, MKDEV(cosa_major, i));
+		device_destroy(cosa_class, MKDEV(cosa_major, i));
 	class_destroy(cosa_class);
 	for (cosa=cosa_cards; nr_cards--; cosa++) {
 		/* Clean up the per-channel data */
@@ -808,7 +809,7 @@ static struct net_device_stats *cosa_net_stats(struct net_device *dev)
 
 static void chardev_channel_init(struct channel_data *chan)
 {
-	init_MUTEX(&chan->rsem);
+	mutex_init(&chan->rlock);
 	init_MUTEX(&chan->wsem);
 }
 
@@ -826,12 +827,12 @@ static ssize_t cosa_read(struct file *file,
 			cosa->name, cosa->firmware_status);
 		return -EPERM;
 	}
-	if (down_interruptible(&chan->rsem))
+	if (mutex_lock_interruptible(&chan->rlock))
 		return -ERESTARTSYS;
 	
 	if ((chan->rxdata = kmalloc(COSA_MTU, GFP_DMA|GFP_KERNEL)) == NULL) {
 		printk(KERN_INFO "%s: cosa_read() - OOM\n", cosa->name);
-		up(&chan->rsem);
+		mutex_unlock(&chan->rlock);
 		return -ENOMEM;
 	}
 
@@ -849,7 +850,7 @@ static ssize_t cosa_read(struct file *file,
 			remove_wait_queue(&chan->rxwaitq, &wait);
 			current->state = TASK_RUNNING;
 			spin_unlock_irqrestore(&cosa->lock, flags);
-			up(&chan->rsem);
+			mutex_unlock(&chan->rlock);
 			return -ERESTARTSYS;
 		}
 	}
@@ -858,7 +859,7 @@ static ssize_t cosa_read(struct file *file,
 	kbuf = chan->rxdata;
 	count = chan->rxsize;
 	spin_unlock_irqrestore(&cosa->lock, flags);
-	up(&chan->rsem);
+	mutex_unlock(&chan->rlock);
 
 	if (copy_to_user(buf, kbuf, count)) {
 		kfree(kbuf);