Merge branch 'for-jeff' of git://git.kernel.org/pub/scm/linux/kernel/git/chris/linux...
[pandora-kernel.git] / drivers / char / stallion.c
index 0243efb..19db1eb 100644 (file)
@@ -1025,7 +1025,7 @@ static int stl_write(struct tty_struct *tty, const unsigned char *buf, int count
 
 /*****************************************************************************/
 
-static void stl_putchar(struct tty_struct *tty, unsigned char ch)
+static int stl_putchar(struct tty_struct *tty, unsigned char ch)
 {
        struct stlport  *portp;
        unsigned int    len;
@@ -1034,12 +1034,12 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch)
        pr_debug("stl_putchar(tty=%p,ch=%x)\n", tty, ch);
 
        if (tty == NULL)
-               return;
+               return -EINVAL;
        portp = tty->driver_data;
        if (portp == NULL)
-               return;
+               return -EINVAL;
        if (portp->tx.buf == NULL)
-               return;
+               return -EINVAL;
 
        head = portp->tx.head;
        tail = portp->tx.tail;
@@ -1053,6 +1053,7 @@ static void stl_putchar(struct tty_struct *tty, unsigned char ch)
                        head = portp->tx.buf;
        }       
        portp->tx.head = head;
+       return 0;
 }
 
 /*****************************************************************************/
@@ -1255,7 +1256,6 @@ static int stl_tiocmset(struct tty_struct *tty, struct file *file,
 static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)
 {
        struct stlport  *portp;
-       unsigned int    ival;
        int             rc;
        void __user *argp = (void __user *)arg;
 
@@ -1460,19 +1460,20 @@ static void stl_hangup(struct tty_struct *tty)
 
 /*****************************************************************************/
 
-static void stl_breakctl(struct tty_struct *tty, int state)
+static int stl_breakctl(struct tty_struct *tty, int state)
 {
        struct stlport  *portp;
 
        pr_debug("stl_breakctl(tty=%p,state=%d)\n", tty, state);
 
        if (tty == NULL)
-               return;
+               return -EINVAL;
        portp = tty->driver_data;
        if (portp == NULL)
-               return;
+               return -EINVAL;
 
        stl_sendbreak(portp, ((state == -1) ? 1 : 2));
+       return 0;
 }
 
 /*****************************************************************************/
@@ -4753,8 +4754,8 @@ static int __init stallion_module_init(void)
        if (IS_ERR(stallion_class))
                printk("STALLION: failed to create class\n");
        for (i = 0; i < 4; i++)
-               device_create(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i),
-                             "staliomem%d", i);
+               device_create_drvdata(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i),
+                                     NULL, "staliomem%d", i);
 
        return 0;
 err_unrtty: