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[PATCH] mutex subsystem, semaphore to completion: CPU3WDT

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change CPU3WDT semaphores to completions.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2006-01-09 15:59:26 -08:00 committed by Ingo Molnar
parent 906c3b75f6
commit 3fe0c27761
1 changed files with 5 additions and 4 deletions
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9
drivers/char/watchdog/cpu5wdt.c
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@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/timer.h>
#include <linux/completion.h>
#include <linux/jiffies.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@ -57,7 +58,7 @@ static int ticks = 10000;
/* some device data */
static struct {
struct semaphore stop;
struct completion stop;
volatile int running;
struct timer_list timer;
volatile int queue;
@ -85,7 +86,7 @@ static void cpu5wdt_trigger(unsigned long unused)
}
else {
/* ticks doesn't matter anyway */
up(&cpu5wdt_device.stop);
complete(&cpu5wdt_device.stop);
}
}
@ -239,7 +240,7 @@ static int __devinit cpu5wdt_init(void)
if ( !val )
printk(KERN_INFO PFX "sorry, was my fault\n");
init_MUTEX_LOCKED(&cpu5wdt_device.stop);
init_completion(&cpu5wdt_device.stop);
cpu5wdt_device.queue = 0;
clear_bit(0, &cpu5wdt_device.inuse);
@ -269,7 +270,7 @@ static void __devexit cpu5wdt_exit(void)
{
if ( cpu5wdt_device.queue ) {
cpu5wdt_device.queue = 0;
down(&cpu5wdt_device.stop);
wait_for_completion(&cpu5wdt_device.stop);
}
misc_deregister(&cpu5wdt_misc);