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-rw-r--r--drivers/char/moxa.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 40ac6dedee4..2fc255a2148 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -41,6 +41,7 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/completion.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -142,7 +143,7 @@ struct moxa_port {
struct tty_struct *tty;
int cflag;
wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
+ struct completion close_wait;
struct timer_list emptyTimer;
@@ -374,7 +375,7 @@ static int __init moxa_init(void)
ch->closing_wait = 30 * HZ;
ch->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
init_waitqueue_head(&ch->open_wait);
- init_waitqueue_head(&ch->close_wait);
+ init_completion(&ch->close_wait);
setup_timer(&ch->emptyTimer, moxa_check_xmit_empty,
(unsigned long)ch);
@@ -577,7 +578,7 @@ static void moxa_close(struct tty_struct *tty, struct file *filp)
wake_up_interruptible(&ch->open_wait);
}
ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
- wake_up_interruptible(&ch->close_wait);
+ complete_all(&ch->close_wait);
}
static int moxa_write(struct tty_struct *tty,
@@ -941,7 +942,7 @@ static int moxa_block_till_ready(struct tty_struct *tty, struct file *filp,
*/
if (tty_hung_up_p(filp) || (ch->asyncflags & ASYNC_CLOSING)) {
if (ch->asyncflags & ASYNC_CLOSING)
- interruptible_sleep_on(&ch->close_wait);
+ wait_for_completion_interruptible(&ch->close_wait);
#ifdef SERIAL_DO_RESTART
if (ch->asyncflags & ASYNC_HUP_NOTIFY)
return (-EAGAIN);