static unsigned long next_heartbeat;
static unsigned long wdt_is_open;
static char wdt_expect_close;
-static spinlock_t wdt_spinlock;
+static DEFINE_SPINLOCK(wdt_spinlock);
/*
* Whack the dog
{
int rc = -EBUSY;
- spin_lock_init(&wdt_spinlock);
-
if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
{
timeout = WATCHDOG_TIMEOUT;
goto err_out_region1;
}
- rc = misc_register(&wdt_miscdev);
+ rc = register_reboot_notifier(&wdt_notifier);
if (rc)
{
- printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
- wdt_miscdev.minor, rc);
+ printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
+ rc);
goto err_out_region2;
}
- rc = register_reboot_notifier(&wdt_notifier);
+ rc = misc_register(&wdt_miscdev);
if (rc)
{
- printk(KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
- rc);
- goto err_out_miscdev;
+ printk(KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
+ wdt_miscdev.minor, rc);
+ goto err_out_reboot;
}
printk(KERN_INFO PFX "WDT driver for W83877F initialised. timeout=%d sec (nowayout=%d)\n",
return 0;
-err_out_miscdev:
- misc_deregister(&wdt_miscdev);
+err_out_reboot:
+ unregister_reboot_notifier(&wdt_notifier);
err_out_region2:
release_region(WDT_PING,1);
err_out_region1: