[WATCHDOG] change reboot_notifier to platform-shutdown method.
Platform device drivers can use the .shutdown method to handle soft
shutdown's instead of reboot_notifier's.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c
index d635566..9e9ed7b 100644
--- a/drivers/watchdog/txx9wdt.c
+++ b/drivers/watchdog/txx9wdt.c
@@ -13,7 +13,6 @@
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/fs.h>
-#include <linux/reboot.h>
#include <linux/init.h>
#include <linux/uaccess.h>
#include <linux/platform_device.h>
@@ -166,14 +165,6 @@
}
}
-static int txx9wdt_notify_sys(struct notifier_block *this, unsigned long code,
- void *unused)
-{
- if (code == SYS_DOWN || code == SYS_HALT)
- txx9wdt_stop();
- return NOTIFY_DONE;
-}
-
static const struct file_operations txx9wdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -189,10 +180,6 @@
.fops = &txx9wdt_fops,
};
-static struct notifier_block txx9wdt_notifier = {
- .notifier_call = txx9wdt_notify_sys,
-};
-
static int __init txx9wdt_probe(struct platform_device *dev)
{
struct resource *res;
@@ -221,13 +208,8 @@
if (!txx9wdt_reg)
goto exit_busy;
- ret = register_reboot_notifier(&txx9wdt_notifier);
- if (ret)
- goto exit;
-
ret = misc_register(&txx9wdt_miscdev);
if (ret) {
- unregister_reboot_notifier(&txx9wdt_notifier);
goto exit;
}
@@ -249,14 +231,19 @@
static int __exit txx9wdt_remove(struct platform_device *dev)
{
misc_deregister(&txx9wdt_miscdev);
- unregister_reboot_notifier(&txx9wdt_notifier);
clk_disable(txx9_imclk);
clk_put(txx9_imclk);
return 0;
}
+static void txx9wdt_shutdown(struct platform_device *dev)
+{
+ txx9wdt_stop();
+}
+
static struct platform_driver txx9wdt_driver = {
.remove = __exit_p(txx9wdt_remove),
+ .shutdown = txx9wdt_shutdown,
.driver = {
.name = "txx9wdt",
.owner = THIS_MODULE,