X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Firda%2Firtty-sir.c;h=fc753d7f674e41b0a231ac45663806c7b84ab06a;hb=02539d71fa98d5737bb668b02286c76241e4bac9;hp=b8d112348ba40a01f00811402a8d7a525931b313;hpb=6c89cce75c6f93088a5a2a25bb9674a9194592cc;p=linux-2.6

diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index b8d112348b..fc753d7f67 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -20,7 +20,7 @@
  *     published by the Free Software Foundation; either version 2 of 
  *     the License, or (at your option) any later version.
  *  
- *     Neither Dag Brattli nor University of Tromsø admit liability nor
+ *     Neither Dag Brattli nor University of Tromsø admit liability nor
  *     provide warranty for any of this software. This material is 
  *     provided "AS-IS" and at no charge.
  *     
@@ -33,6 +33,7 @@
 #include <asm/uaccess.h>
 #include <linux/smp_lock.h>
 #include <linux/delay.h>
+#include <linux/mutex.h>
 
 #include <net/irda/irda.h>
 #include <net/irda/irda_device.h>
@@ -116,7 +117,7 @@ static int irtty_change_speed(struct sir_dev *dev, unsigned speed)
 {
 	struct sirtty_cb *priv = dev->priv;
 	struct tty_struct *tty;
-        struct termios old_termios;
+        struct ktermios old_termios;
 	int cflag;
 
 	IRDA_ASSERT(priv != NULL, return -1;);
@@ -288,22 +289,6 @@ static void irtty_receive_buf(struct tty_struct *tty, const unsigned char *cp,
 	sirdev_receive(dev, cp, count);
 }
 
-/*
- * Function irtty_receive_room (tty)
- *
- *    Used by the TTY to find out how much data we can receive at a time
- * 
-*/
-static int irtty_receive_room(struct tty_struct *tty) 
-{
-	struct sirtty_cb *priv = tty->disc_data;
-
-	IRDA_ASSERT(priv != NULL, return 0;);
-	IRDA_ASSERT(priv->magic == IRTTY_MAGIC, return 0;);
-
-	return 65536;  /* We can handle an infinite amount of data. :-) */
-}
-
 /*
  * Function irtty_write_wakeup (tty)
  *
@@ -333,7 +318,7 @@ static void irtty_write_wakeup(struct tty_struct *tty)
 
 static inline void irtty_stop_receiver(struct tty_struct *tty, int stop)
 {
-	struct termios old_termios;
+	struct ktermios old_termios;
 	int cflag;
 
 	lock_kernel();
@@ -354,7 +339,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop)
 /*****************************************************************/
 
 /* serialize ldisc open/close with sir_dev */
-static DECLARE_MUTEX(irtty_sem);
+static DEFINE_MUTEX(irtty_mutex);
 
 /* notifier from sir_dev when irda% device gets opened (ifup) */
 
@@ -364,11 +349,11 @@ static int irtty_start_dev(struct sir_dev *dev)
 	struct tty_struct *tty;
 
 	/* serialize with ldisc open/close */
-	down(&irtty_sem);
+	mutex_lock(&irtty_mutex);
 
 	priv = dev->priv;
 	if (unlikely(!priv || priv->magic!=IRTTY_MAGIC)) {
-		up(&irtty_sem);
+		mutex_unlock(&irtty_mutex);
 		return -ESTALE;
 	}
 
@@ -379,7 +364,7 @@ static int irtty_start_dev(struct sir_dev *dev)
 	/* Make sure we can receive more data */
 	irtty_stop_receiver(tty, FALSE);
 
-	up(&irtty_sem);
+	mutex_unlock(&irtty_mutex);
 	return 0;
 }
 
@@ -391,11 +376,11 @@ static int irtty_stop_dev(struct sir_dev *dev)
 	struct tty_struct *tty;
 
 	/* serialize with ldisc open/close */
-	down(&irtty_sem);
+	mutex_lock(&irtty_mutex);
 
 	priv = dev->priv;
 	if (unlikely(!priv || priv->magic!=IRTTY_MAGIC)) {
-		up(&irtty_sem);
+		mutex_unlock(&irtty_mutex);
 		return -ESTALE;
 	}
 
@@ -406,7 +391,7 @@ static int irtty_stop_dev(struct sir_dev *dev)
 	if (tty->driver->stop)
 		tty->driver->stop(tty);
 
-	up(&irtty_sem);
+	mutex_unlock(&irtty_mutex);
 
 	return 0;
 }
@@ -449,11 +434,6 @@ static int irtty_ioctl(struct tty_struct *tty, struct file *file, unsigned int c
 	IRDA_ASSERT(dev != NULL, return -1;);
 
 	switch (cmd) {
-	case TCGETS:
-	case TCGETA:
-		err = n_tty_ioctl(tty, file, cmd, arg);
-		break;
-
 	case IRTTY_IOCTDONGLE:
 		/* this call blocks for completion */
 		err = sirdev_set_dongle(dev, (IRDA_DONGLE) arg);
@@ -469,7 +449,7 @@ static int irtty_ioctl(struct tty_struct *tty, struct file *file, unsigned int c
 			err = -EFAULT;
 		break;
 	default:
-		err = -ENOIOCTLCMD;
+		err = tty_mode_ioctl(tty, file, cmd, arg);
 		break;
 	}
 	return err;
@@ -520,22 +500,22 @@ static int irtty_open(struct tty_struct *tty)
 	}
 
 	/* allocate private device info block */
-	priv = kmalloc(sizeof(*priv), GFP_KERNEL);
+	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		goto out_put;
-	memset(priv, 0, sizeof(*priv));
 
 	priv->magic = IRTTY_MAGIC;
 	priv->tty = tty;
 	priv->dev = dev;
 
 	/* serialize with start_dev - in case we were racing with ifup */
-	down(&irtty_sem);
+	mutex_lock(&irtty_mutex);
 
 	dev->priv = priv;
 	tty->disc_data = priv;
+	tty->receive_room = 65536;
 
-	up(&irtty_sem);
+	mutex_unlock(&irtty_mutex);
 
 	IRDA_DEBUG(0, "%s - %s: irda line discipline opened\n", __FUNCTION__, tty->name);
 
@@ -605,7 +585,6 @@ static struct tty_ldisc irda_ldisc = {
 	.ioctl		= irtty_ioctl,
  	.poll		= NULL,
 	.receive_buf	= irtty_receive_buf,
-	.receive_room	= irtty_receive_room,
 	.write_wakeup	= irtty_write_wakeup,
 	.owner		= THIS_MODULE,
 };