[PATCH] serial/68360serial: replace schedule_timeout() with msleep_interruptible()
Use msleep_interruptible() instead of schedule_timeout() in send_break() to
guarantee the task delays as expected. Change @duration's units to
milliseconds, and modify arguments in callers appropriately.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index f148022..b116122 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -1394,14 +1394,13 @@
/*
* This routine sends a break character out the serial port.
*/
-static void send_break(ser_info_t *info, int duration)
+static void send_break(ser_info_t *info, unsigned int duration)
{
- set_current_state(TASK_INTERRUPTIBLE);
#ifdef SERIAL_DEBUG_SEND_BREAK
printk("rs_send_break(%d) jiff=%lu...", duration, jiffies);
#endif
begin_break(info);
- schedule_timeout(duration);
+ msleep_interruptible(duration);
end_break(info);
#ifdef SERIAL_DEBUG_SEND_BREAK
printk("done jiffies=%lu\n", jiffies);
@@ -1436,7 +1435,7 @@
if (signal_pending(current))
return -EINTR;
if (!arg) {
- send_break(info, HZ/4); /* 1/4 second */
+ send_break(info, 250); /* 1/4 second */
if (signal_pending(current))
return -EINTR;
}
@@ -1448,7 +1447,7 @@
tty_wait_until_sent(tty, 0);
if (signal_pending(current))
return -EINTR;
- send_break(info, arg ? arg*(HZ/10) : HZ/4);
+ send_break(info, arg ? arg*100 : 250);
if (signal_pending(current))
return -EINTR;
return 0;