]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/char/specialix.c
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-2.6-omap-h63xx.git] / drivers / char / specialix.c
index c0ef0f0e5800dcd74a90e38cc483bc2e37ac60f0..902c48dca3bc98e86938fb23a0affbd052d921ea 100644 (file)
@@ -182,7 +182,6 @@ static int sx_poll = HZ;
 #define RS_EVENT_WRITE_WAKEUP  0
 
 static struct tty_driver *specialix_driver;
-static unsigned char * tmp_buf;
 
 static unsigned long baud_table[] =  {
        0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
@@ -1674,7 +1673,7 @@ static int sx_write(struct tty_struct * tty,
 
        bp = port_Board(port);
 
-       if (!port->xmit_buf || !tmp_buf) {
+       if (!port->xmit_buf) {
                func_exit();
                return 0;
        }
@@ -2364,7 +2363,7 @@ static void do_softint(void *private_)
        func_exit();
 }
 
-static struct tty_operations sx_ops = {
+static const struct tty_operations sx_ops = {
        .open  = sx_open,
        .close = sx_close,
        .write = sx_write,
@@ -2398,12 +2397,6 @@ static int sx_init_drivers(void)
                return 1;
        }
 
-       if (!(tmp_buf = (unsigned char *) get_zeroed_page(GFP_KERNEL))) {
-               printk(KERN_ERR "sx: Couldn't get free page.\n");
-               put_tty_driver(specialix_driver);
-               func_exit();
-               return 1;
-       }
        specialix_driver->owner = THIS_MODULE;
        specialix_driver->name = "ttyW";
        specialix_driver->major = SPECIALIX_NORMAL_MAJOR;
@@ -2417,7 +2410,6 @@ static int sx_init_drivers(void)
 
        if ((error = tty_register_driver(specialix_driver))) {
                put_tty_driver(specialix_driver);
-               free_page((unsigned long)tmp_buf);
                printk(KERN_ERR "sx: Couldn't register specialix IO8+ driver, error = %d\n",
                       error);
                func_exit();
@@ -2443,7 +2435,6 @@ static void sx_release_drivers(void)
 {
        func_enter();
 
-       free_page((unsigned long)tmp_buf);
        tty_unregister_driver(specialix_driver);
        put_tty_driver(specialix_driver);
        func_exit();