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| author | Wim Van Sebroeck <wim@iguana.be> | 2007-01-27 22:54:18 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-01-27 22:54:18 +0100 |
| commit | 35fcf53870eaa6cc966604a6e36df1c2c1577540 (patch) | |
| tree | 35c55211c9f7b0488e0438798988bb207621e5fd /drivers/char | |
| parent | 745ac1ea6e06125cc1326adbec34d756b25678c6 (diff) | |
| download | kernel_samsung_smdk4412-35fcf53870eaa6cc966604a6e36df1c2c1577540.zip kernel_samsung_smdk4412-35fcf53870eaa6cc966604a6e36df1c2c1577540.tar.gz kernel_samsung_smdk4412-35fcf53870eaa6cc966604a6e36df1c2c1577540.tar.bz2 | |
[WATCHDOG] ib700wdt.c - convert to platform_device part 2
Convert the reboot_notifier into the platform_device's shutdown
method
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/watchdog/ib700wdt.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/drivers/char/watchdog/ib700wdt.c b/drivers/char/watchdog/ib700wdt.c index b74e151..c3a60f5 100644 --- a/drivers/char/watchdog/ib700wdt.c +++ b/drivers/char/watchdog/ib700wdt.c @@ -36,9 +36,7 @@ #include <linux/miscdevice.h> #include <linux/watchdog.h> #include <linux/ioport.h> -#include <linux/notifier.h> #include <linux/fs.h> -#include <linux/reboot.h> #include <linux/init.h> #include <linux/spinlock.h> #include <linux/moduleparam.h> @@ -284,21 +282,6 @@ ibwdt_close(struct inode *inode, struct file *file) } /* - * Notifier for system down - */ - -static int -ibwdt_notify_sys(struct notifier_block *this, unsigned long code, - void *unused) -{ - if (code == SYS_DOWN || code == SYS_HALT) { - /* Turn the WDT off */ - ibwdt_disable(); - } - return NOTIFY_DONE; -} - -/* * Kernel Interfaces */ @@ -318,15 +301,6 @@ static struct miscdevice ibwdt_miscdev = { }; /* - * The WDT needs to learn about soft shutdowns in order to - * turn the timebomb registers off. - */ - -static struct notifier_block ibwdt_notifier = { - .notifier_call = ibwdt_notify_sys, -}; - -/* * Init & exit routines */ @@ -350,12 +324,6 @@ static int __devinit ibwdt_probe(struct platform_device *dev) 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"); @@ -364,8 +332,6 @@ static int __devinit ibwdt_probe(struct platform_device *dev) return 0; out_nomisc: - unregister_reboot_notifier(&ibwdt_notifier); -out_noreboot: release_region(WDT_START, 1); out_nostartreg: #if WDT_START != WDT_STOP @@ -378,7 +344,6 @@ out_nostopreg: static int __devexit ibwdt_remove(struct platform_device *dev) { misc_deregister(&ibwdt_miscdev); - unregister_reboot_notifier(&ibwdt_notifier); release_region(WDT_START,1); #if WDT_START != WDT_STOP release_region(WDT_STOP,1); @@ -386,9 +351,16 @@ static int __devexit ibwdt_remove(struct platform_device *dev) return 0; } +static void ibwdt_shutdown(struct platform_device *dev) +{ + /* Turn the WDT off if we have a soft shutdown */ + ibwdt_disable(); +} + static struct platform_driver ibwdt_driver = { .probe = ibwdt_probe, .remove = __devexit_p(ibwdt_remove), + .shutdown = ibwdt_shutdown, .driver = { .owner = THIS_MODULE, .name = DRV_NAME, |