diff options
Diffstat (limited to 'drivers/watchdog/shwdt.c')
| -rw-r--r-- | drivers/watchdog/shwdt.c | 43 |
1 files changed, 12 insertions, 31 deletions
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c index 93958a7763e6..74a261f36702 100644 --- a/drivers/watchdog/shwdt.c +++ b/drivers/watchdog/shwdt.c @@ -3,7 +3,7 @@ * * Watchdog driver for integrated watchdog in the SuperH processors. * - * Copyright (C) 2001 - 2010 Paul Mundt <lethal@linux-sh.org> + * Copyright (C) 2001 - 2012 Paul Mundt <lethal@linux-sh.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -27,8 +27,6 @@ #include <linux/types.h> #include <linux/miscdevice.h> #include <linux/watchdog.h> -#include <linux/reboot.h> -#include <linux/notifier.h> #include <linux/ioport.h> #include <linux/fs.h> #include <linux/mm.h> @@ -293,17 +291,6 @@ static long sh_wdt_ioctl(struct file *file, unsigned int cmd, return 0; } -static int sh_wdt_notify_sys(struct notifier_block *this, - unsigned long code, void *unused) -{ - struct sh_wdt *wdt = platform_get_drvdata(sh_wdt_dev); - - if (code == SYS_DOWN || code == SYS_HALT) - sh_wdt_stop(wdt); - - return NOTIFY_DONE; -} - static const struct file_operations sh_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, @@ -320,10 +307,6 @@ static const struct watchdog_info sh_wdt_info = { .identity = "SH WDT", }; -static struct notifier_block sh_wdt_notifier = { - .notifier_call = sh_wdt_notify_sys, -}; - static struct miscdevice sh_wdt_miscdev = { .minor = WATCHDOG_MINOR, .name = "watchdog", @@ -365,13 +348,6 @@ static int __devinit sh_wdt_probe(struct platform_device *pdev) goto out_err; } - rc = register_reboot_notifier(&sh_wdt_notifier); - if (unlikely(rc)) { - dev_err(&pdev->dev, - "Can't register reboot notifier (err=%d)\n", rc); - goto out_unmap; - } - sh_wdt_miscdev.parent = wdt->dev; rc = misc_register(&sh_wdt_miscdev); @@ -379,7 +355,7 @@ static int __devinit sh_wdt_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Can't register miscdev on minor=%d (err=%d)\n", sh_wdt_miscdev.minor, rc); - goto out_unreg; + goto out_unmap; } init_timer(&wdt->timer); @@ -394,8 +370,6 @@ static int __devinit sh_wdt_probe(struct platform_device *pdev) return 0; -out_unreg: - unregister_reboot_notifier(&sh_wdt_notifier); out_unmap: devm_iounmap(&pdev->dev, wdt->base); out_err: @@ -417,7 +391,6 @@ static int __devexit sh_wdt_remove(struct platform_device *pdev) sh_wdt_dev = NULL; - unregister_reboot_notifier(&sh_wdt_notifier); devm_release_mem_region(&pdev->dev, res->start, resource_size(res)); devm_iounmap(&pdev->dev, wdt->base); devm_kfree(&pdev->dev, wdt); @@ -425,14 +398,22 @@ static int __devexit sh_wdt_remove(struct platform_device *pdev) return 0; } +static void sh_wdt_shutdown(struct platform_device *pdev) +{ + struct sh_wdt *wdt = platform_get_drvdata(pdev); + + sh_wdt_stop(wdt); +} + static struct platform_driver sh_wdt_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, }, - .probe = sh_wdt_probe, - .remove = __devexit_p(sh_wdt_remove), + .probe = sh_wdt_probe, + .remove = __devexit_p(sh_wdt_remove), + .shutdown = sh_wdt_shutdown, }; static int __init sh_wdt_init(void) |