[PATCH] w1/w1_therm: replace schedule_timeout() with msleep_interruptible()

From: Greg KH
Date: Fri Mar 04 2005 - 17:18:04 EST


ChangeSet 1.2080, 2005/03/02 16:58:20-08:00, nacc@xxxxxxxxxx

[PATCH] w1/w1_therm: replace schedule_timeout() with msleep_interruptible()

Description: Use msleep_interruptible() instead of schedule_timeout() to
guarantee the task delays as expected. Changed tm to an int, as it now is in
terms of msecs, not jiffies.

Signed-off-by: Nishanth Aravamudan <nacc@xxxxxxxxxx>
Signed-off-by: Evgeniy Polyakov <johnpol@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <greg@xxxxxxxxx>


drivers/w1/w1_therm.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)


diff -Nru a/drivers/w1/w1_therm.c b/drivers/w1/w1_therm.c
--- a/drivers/w1/w1_therm.c 2005-03-04 12:38:25 -08:00
+++ b/drivers/w1/w1_therm.c 2005-03-04 12:38:25 -08:00
@@ -26,6 +26,7 @@
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/types.h>
+#include <linux/delay.h>

#include "w1.h"
#include "w1_io.h"
@@ -128,7 +129,7 @@
if (!w1_reset_bus (dev)) {
int count = 0;
u8 match[9] = {W1_MATCH_ROM, };
- unsigned long tm;
+ unsigned int tm = 750;

memcpy(&match[1], (u64 *) & sl->reg_num, 8);

@@ -136,11 +137,8 @@

w1_write_8(dev, W1_CONVERT_TEMP);

- tm = jiffies + msecs_to_jiffies(750);
- while(time_before(jiffies, tm)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(tm-jiffies);
-
+ while (tm) {
+ tm = msleep_interruptible(tm);
if (signal_pending(current))
flush_signals(current);
}

-
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