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[WATCHDOG] ib700wdt.c - convert to platform_device part 2

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Convert the reboot_notifier into the platform_device's shutdown
method

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2007-01-27 22:54:18 +01:00
parent 745ac1ea6e
commit 35fcf53870
1 changed files with 7 additions and 35 deletions
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42
drivers/char/watchdog/ib700wdt.c
View file

@ -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>
@ -283,21 +281,6 @@ ibwdt_close(struct inode *inode, struct file *file)
return 0;
}
/*
* 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
*/
@ -317,15 +300,6 @@ static struct miscdevice ibwdt_miscdev = {
.fops = &ibwdt_fops,
};
/*
* 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,