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| author | Wim Van Sebroeck <wim@iguana.be> | 2009-12-26 19:13:00 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2010-03-07 10:30:59 +0000 |
| commit | 168b5251adddb1554926cfb94f79a8a28bc6ebe5 (patch) | |
| tree | d2f7ceac118991d8aa32418074dc599989106432 /drivers/watchdog/txx9wdt.c | |
| parent | 42747d712de56cf2087b702d2ad90af114c53138 (diff) | |
| download | lwn-168b5251adddb1554926cfb94f79a8a28bc6ebe5.tar.gz lwn-168b5251adddb1554926cfb94f79a8a28bc6ebe5.zip | |
[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>
Diffstat (limited to 'drivers/watchdog/txx9wdt.c')
| -rw-r--r-- | drivers/watchdog/txx9wdt.c | 25 |
1 files changed, 6 insertions, 19 deletions
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c index d635566e9307..9e9ed7bfabcb 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 long txx9wdt_ioctl(struct file *file, unsigned int cmd, } } -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 @@ static struct miscdevice txx9wdt_miscdev = { .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 @@ static int __init txx9wdt_probe(struct platform_device *dev) 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 @@ exit: 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, |