[PATCH] sem2mutex: serial ->port_write_mutex

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index e38a5f0e07bb..5e59c0b42731 100644
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -48,8 +48,8 @@ static int gs_debug;
 #define NEW_WRITE_LOCKING 1
 #if NEW_WRITE_LOCKING
 #define DECL      /* Nothing */
-#define LOCKIT    down (& port->port_write_sem);
-#define RELEASEIT up (&port->port_write_sem);
+#define LOCKIT    mutex_lock(& port->port_write_mutex);
+#define RELEASEIT mutex_unlock(&port->port_write_mutex);
 #else
 #define DECL      unsigned long flags;
 #define LOCKIT    save_flags (flags);cli ()
@@ -124,14 +124,14 @@ int gs_write(struct tty_struct * tty,
         /* get exclusive "write" access to this port (problem 3) */
         /* This is not a spinlock because we can have a disk access (page 
                  fault) in copy_from_user */
-        down (& port->port_write_sem);
+        mutex_lock(& port->port_write_mutex);
 
         while (1) {
 
                 c = count;
  
                 /* This is safe because we "OWN" the "head". Noone else can 
-                   change the "head": we own the port_write_sem. */
+                   change the "head": we own the port_write_mutex. */
                 /* Don't overrun the end of the buffer */
                 t = SERIAL_XMIT_SIZE - port->xmit_head;
                 if (t < c) c = t;
@@ -153,7 +153,7 @@ int gs_write(struct tty_struct * tty,
                 count -= c;
                 total += c;
         }
-        up (& port->port_write_sem);
+        mutex_unlock(& port->port_write_mutex);
 
         gs_dprintk (GS_DEBUG_WRITE, "write: interrupts are %s\n", 
                     (port->flags & GS_TX_INTEN)?"enabled": "disabled"); 
@@ -214,7 +214,7 @@ int gs_write(struct tty_struct * tty,
                 c = count;
 
                 /* This is safe because we "OWN" the "head". Noone else can 
-                   change the "head": we own the port_write_sem. */
+                   change the "head": we own the port_write_mutex. */
                 /* Don't overrun the end of the buffer */
                 t = SERIAL_XMIT_SIZE - port->xmit_head;
                 if (t < c) c = t;
@@ -888,7 +888,7 @@ int gs_init_port(struct gs_port *port)
         spin_lock_irqsave (&port->driver_lock, flags);
         if (port->tty) 
                 clear_bit(TTY_IO_ERROR, &port->tty->flags);
-        init_MUTEX(&port->port_write_sem);
+        mutex_init(&port->port_write_mutex);
         port->xmit_cnt = port->xmit_head = port->xmit_tail = 0;
         spin_unlock_irqrestore(&port->driver_lock, flags);
         gs_set_termios(port->tty, NULL);