[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>
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 @@
}
/*
- * 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 @@
};
/*
- * 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 @@
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 @@
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 @@
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 @@
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,