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| author | Wim Van Sebroeck <wim@iguana.be> | 2007-01-27 21:58:08 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-01-27 21:58:08 +0100 |
| commit | f6e4803969ee93bef6aeeb6aff0f9214547d1bb1 (patch) | |
| tree | 826526af2f8e69035b19bd0d8fbd424d8033d9ab /drivers/char | |
| parent | [WATCHDOG] ib700_wdt.c stop + set_heartbeat operations (diff) | |
| download | linux-f6e4803969ee93bef6aeeb6aff0f9214547d1bb1.tar.xz linux-f6e4803969ee93bef6aeeb6aff0f9214547d1bb1.zip | |
[WATCHDOG] ib700wdt.c clean-up init and exit routines
clean-up the init and exit routines so that they use
the same sequence.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/watchdog/ib700wdt.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/char/watchdog/ib700wdt.c b/drivers/char/watchdog/ib700wdt.c index 5510db21090a..d379bf075264 100644 --- a/drivers/char/watchdog/ib700wdt.c +++ b/drivers/char/watchdog/ib700wdt.c @@ -300,6 +300,10 @@ static struct notifier_block ibwdt_notifier = { .notifier_call = ibwdt_notify_sys, }; +/* + * Init & exit routines + */ + static int __init ibwdt_init(void) { int res; @@ -307,11 +311,6 @@ static int __init ibwdt_init(void) printk(KERN_INFO PFX "WDT driver for IB700 single board computer initialising.\n"); spin_lock_init(&ibwdt_lock); - res = misc_register(&ibwdt_miscdev); - if (res) { - printk (KERN_ERR PFX "failed to register misc device\n"); - goto out_nomisc; - } #if WDT_START != WDT_STOP if (!request_region(WDT_STOP, 1, "IB700 WDT")) { @@ -326,13 +325,22 @@ static int __init ibwdt_init(void) res = -EIO; goto out_nostartreg; } + res = register_reboot_notifier(&ibwdt_notifier); if (res) { printk (KERN_ERR PFX "Failed to register reboot notifier.\n"); goto out_noreboot; } + + res = misc_register(&ibwdt_miscdev); + if (res) { + printk (KERN_ERR PFX "failed to register misc device\n"); + goto out_nomisc; + } return 0; +out_nomisc: + unregister_reboot_notifier(&ibwdt_notifier); out_noreboot: release_region(WDT_START, 1); out_nostartreg: @@ -340,8 +348,6 @@ out_nostartreg: release_region(WDT_STOP, 1); #endif out_nostopreg: - misc_deregister(&ibwdt_miscdev); -out_nomisc: return res; } @@ -350,10 +356,10 @@ ibwdt_exit(void) { misc_deregister(&ibwdt_miscdev); unregister_reboot_notifier(&ibwdt_notifier); + release_region(WDT_START,1); #if WDT_START != WDT_STOP release_region(WDT_STOP,1); #endif - release_region(WDT_START,1); } module_init(ibwdt_init); |