2004-09-24 03:35:11

by maximilian attems

[permalink] [raw]
Subject: [patch 24/26] char/synclinkmp: replace schedule_timeout() with msleep_interruptible()




Any comments would be appreciated.

Description: Use msleep_interruptible() instead of schedule_timeout() to
guarantee the task delays as expected.

Signed-off-by: Nishanth Aravamudan <[email protected]>

Signed-off-by: Maximilian Attems <[email protected]>
---

linux-2.6.9-rc2-bk7-max/drivers/char/synclinkmp.c | 15 +++++----------
1 files changed, 5 insertions(+), 10 deletions(-)

diff -puN drivers/char/synclinkmp.c~msleep_interruptible-drivers_char_synclinkmp drivers/char/synclinkmp.c
--- linux-2.6.9-rc2-bk7/drivers/char/synclinkmp.c~msleep_interruptible-drivers_char_synclinkmp 2004-09-21 21:08:25.000000000 +0200
+++ linux-2.6.9-rc2-bk7-max/drivers/char/synclinkmp.c 2004-09-21 21:08:25.000000000 +0200
@@ -856,8 +856,7 @@ static void close(struct tty_struct *tty

if (info->blocked_open) {
if (info->close_delay) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(info->close_delay);
+ msleep_interruptible(jiffies_to_msecs(info->close_delay));
}
wake_up_interruptible(&info->open_wait);
}
@@ -1142,8 +1141,7 @@ static void wait_until_sent(struct tty_s

if ( info->params.mode == MGSL_MODE_HDLC ) {
while (info->tx_active) {
- 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))
@@ -1153,8 +1151,7 @@ static void wait_until_sent(struct tty_s
//TODO: determine if there is something similar to USC16C32
// TXSTATUS_ALL_SENT status
while ( info->tx_active && info->tx_enabled) {
- 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))
@@ -5202,8 +5199,7 @@ int irq_test(SLMP_INFO *info)

timeout=100;
while( timeout-- && !info->irq_occurred ) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(msecs_to_jiffies(10));
+ msleep_interruptible(10);
}

spin_lock_irqsave(&info->lock,flags);
@@ -5353,8 +5349,7 @@ int loopback_test(SLMP_INFO *info)
/* wait for receive complete */
/* Set a timeout for waiting for interrupt. */
for ( timeout = 100; timeout; --timeout ) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(msecs_to_jiffies(10));
+ msleep_interruptible(10);

if (rx_get_frame(info)) {
rc = TRUE;
_