[patch 6/8] serial/mcfserial: replace schedule_timeout() with msleep_interruptible()

janitor_at_sternwelten.at
Date: 10/31/04

  • Next message: janitor_at_sternwelten.at: "[patch 2/8] pcmcia/yenta_socket: replace schedule_timeout() with msleep()" 
    To: rmk+lkml@arm.linux.org.uk
Date:	Sun, 31 Oct 2004 00:47:16 +0200

    Any comments would be appreciated.

    Description: Use msleep_interruptible() instead of schedule_timeout() to
    guarantee the task delays as expected. Use set_current_state() instead
    of direct assignment of current->state.

    Acked-by: Greg Ungerer <gerg@snapgear.com>

    Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
    Signed-off-by: Maximilian Attems <janitor@sternwelten.at> 

    ---
 linux-2.6.10-rc1-max/drivers/serial/mcfserial.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
diff -puN drivers/serial/mcfserial.c~msleep_interruptible-drivers_serial_mcfserial drivers/serial/mcfserial.c
--- linux-2.6.10-rc1/drivers/serial/mcfserial.c~msleep_interruptible-drivers_serial_mcfserial	2004-10-24 17:05:29.000000000 +0200
+++ linux-2.6.10-rc1-max/drivers/serial/mcfserial.c	2004-10-24 17:05:29.000000000 +0200
@@ -35,6 +35,7 @@
 #include <linux/console.h>
 #include <linux/init.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -978,7 +979,7 @@ static void send_break(	struct mcf_seria
 
 	if (!info->addr)
 		return;
-	current->state = TASK_INTERRUPTIBLE;
+	set_current_state(TASK_INTERRUPTIBLE);
 	uartp = info->addr;
 
 	local_irq_save(flags);
@@ -1230,8 +1231,7 @@ static void mcfrs_close(struct tty_struc
 #endif	
 	if (info->blocked_open) {
 		if (info->close_delay) {
-			current->state = TASK_INTERRUPTIBLE;
-			schedule_timeout(info->close_delay);
+			msleep_interruptible(jiffies_to_msecs(info->close_delay));
 		}
 		wake_up_interruptible(&info->open_wait);
 	}
@@ -1296,8 +1296,7 @@ mcfrs_wait_until_sent(struct tty_struct 
 			fifo_cnt++;
 		if (fifo_cnt == 0)
 			break;
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule_timeout(char_time);
+		msleep_interruptible(jiffies_to_msecs(char_time));
 		if (signal_pending(current))
 			break;
 		if (timeout && time_after(jiffies, orig_jiffies + timeout))
_
-
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