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[PATCH] mutex subsystem, semaphore to completion: CPU3WDT
change CPU3WDT semaphores to completions. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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parent
906c3b75f6
commit
3fe0c27761
1 changed files with 5 additions and 4 deletions
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@ -28,6 +28,7 @@
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#include <linux/init.h>
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#include <linux/ioport.h>
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#include <linux/timer.h>
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#include <linux/completion.h>
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#include <linux/jiffies.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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@ -57,7 +58,7 @@ static int ticks = 10000;
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/* some device data */
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static struct {
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struct semaphore stop;
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struct completion stop;
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volatile int running;
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struct timer_list timer;
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volatile int queue;
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@ -85,7 +86,7 @@ static void cpu5wdt_trigger(unsigned long unused)
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}
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else {
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/* ticks doesn't matter anyway */
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up(&cpu5wdt_device.stop);
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complete(&cpu5wdt_device.stop);
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}
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}
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@ -239,7 +240,7 @@ static int __devinit cpu5wdt_init(void)
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if ( !val )
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printk(KERN_INFO PFX "sorry, was my fault\n");
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init_MUTEX_LOCKED(&cpu5wdt_device.stop);
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init_completion(&cpu5wdt_device.stop);
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cpu5wdt_device.queue = 0;
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clear_bit(0, &cpu5wdt_device.inuse);
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@ -269,7 +270,7 @@ static void __devexit cpu5wdt_exit(void)
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{
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if ( cpu5wdt_device.queue ) {
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cpu5wdt_device.queue = 0;
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down(&cpu5wdt_device.stop);
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wait_for_completion(&cpu5wdt_device.stop);
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}
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misc_deregister(&cpu5wdt_misc);
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