[PATCH] bcm43xx: Drain TX status before starting IRQs

[linux-2.6-omap-h63xx.git] / drivers / char / generic_serial.c

diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index 4711d9b3a59545f870d769f4818f967923bf21a9..87127e49c0dbf8a07aeae5fd6cee1f5be3d0a397 100644 (file)
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -33,8 +33,6 @@
 
 #define DEBUG 
 
-static char *                  tmp_buf; 
-
 static int gs_debug;
 
 #ifdef DEBUG
@@ -205,7 +203,7 @@ int gs_write(struct tty_struct * tty,
        if (!tty) return -EIO;
 
        port = tty->driver_data;
-       if (!port || !port->xmit_buf || !tmp_buf)
+       if (!port || !port->xmit_buf)
                return -EIO;
 
        local_save_flags(flags);
@@ -837,24 +835,9 @@ void gs_set_termios (struct tty_struct * tty,
 int gs_init_port(struct gs_port *port)
 {
        unsigned long flags;
-       unsigned long page;
 
        func_enter ();
 
-        if (!tmp_buf) {
-               page = get_zeroed_page(GFP_KERNEL);
-               spin_lock_irqsave (&port->driver_lock, flags); /* Don't expect this to make a difference. */
-               if (tmp_buf)
-                       free_page(page);
-               else
-                       tmp_buf = (unsigned char *) page;
-               spin_unlock_irqrestore (&port->driver_lock, flags);
-               if (!tmp_buf) {
-                       func_exit ();
-                       return -ENOMEM;
-               }
-       }
-
        if (port->flags & ASYNC_INITIALIZED) {
                func_exit ();
                return 0;