Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial

[cascardo/linux.git] / drivers / serial / crisv10.c

diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 08c42c0..be12623 100644 (file)
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -442,6 +442,7 @@ static char *serial_version = "$Revision: 1.25 $";
 #include <linux/init.h>
 #include <asm/uaccess.h>
 #include <linux/kernel.h>
+#include <linux/mutex.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -1315,11 +1316,7 @@ static const struct control_pins e100_modem_pins[NR_PORTS] =
  * memory if large numbers of serial ports are open.
  */
 static unsigned char *tmp_buf;
-#ifdef DECLARE_MUTEX
-static DECLARE_MUTEX(tmp_buf_sem);
-#else
-static struct semaphore tmp_buf_sem = MUTEX;
-#endif
+static DEFINE_MUTEX(tmp_buf_mutex);
 
 /* Calculate the chartime depending on baudrate, numbor of bits etc. */
 static void update_char_time(struct e100_serial * info)
@@ -3661,7 +3658,7 @@ rs_raw_write(struct tty_struct * tty, int from_user,
         * design.
         */
        if (from_user) {
-               down(&tmp_buf_sem);
+               mutex_lock(&tmp_buf_mutex);
                while (1) {
                        int c1;
                        c = CIRC_SPACE_TO_END(info->xmit.head,
@@ -3692,7 +3689,7 @@ rs_raw_write(struct tty_struct * tty, int from_user,
                        count -= c;
                        ret += c;
                }
-               up(&tmp_buf_sem);
+               mutex_unlock(&tmp_buf_mutex);
        } else {
                cli();
                while (count) {