From 1d747be647c2239e39a9b5faa138c1e36222b37e Mon Sep 17 00:00:00 2001 From: Wim Van Sebroeck Date: Thu, 11 Jan 2007 22:19:28 +0100 Subject: [PATCH] [WATCHDOG] advantechwdt.c - cleanup before platform_device patches This cleanup consists of: - make sure that the printk's use the module/driver-name - do the exit of the module exactly the opposite of the init of the module Signed-off-by: Wim Van Sebroeck --- drivers/char/watchdog/advantechwdt.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/char/watchdog/advantechwdt.c b/drivers/char/watchdog/advantechwdt.c index 9d73276..6c91979 100644 --- a/drivers/char/watchdog/advantechwdt.c +++ b/drivers/char/watchdog/advantechwdt.c @@ -43,8 +43,9 @@ #include #include +#define DRV_NAME "advantechwdt" +#define PFX DRV_NAME ": " #define WATCHDOG_NAME "Advantech WDT" -#define PFX WATCHDOG_NAME ": " #define WATCHDOG_TIMEOUT 60 /* 60 sec default timeout */ static unsigned long advwdt_is_open; @@ -75,10 +76,10 @@ MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. 1<= timeout <=63, defaul static int nowayout = WATCHDOG_NOWAYOUT; module_param(nowayout, int, 0); -MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"); +MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); /* - * Kernel methods. + * Watchdog Operations */ static void @@ -94,6 +95,10 @@ advwdt_disable(void) inb_p(wdt_stop); } +/* + * /dev/watchdog handling + */ + static ssize_t advwdt_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -126,7 +131,7 @@ advwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, static struct watchdog_info ident = { .options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE, .firmware_version = 1, - .identity = "Advantech WDT", + .identity = WATCHDOG_NAME, }; switch (cmd) { @@ -237,9 +242,9 @@ static const struct file_operations advwdt_fops = { }; static struct miscdevice advwdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &advwdt_fops, + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &advwdt_fops, }; /* @@ -251,6 +256,10 @@ static struct notifier_block advwdt_notifier = { .notifier_call = advwdt_notify_sys, }; +/* + * Init & exit routines + */ + static int __init advwdt_init(void) { @@ -314,9 +323,9 @@ advwdt_exit(void) { misc_deregister(&advwdt_miscdev); unregister_reboot_notifier(&advwdt_notifier); + release_region(wdt_start,1); if(wdt_stop != wdt_start) release_region(wdt_stop,1); - release_region(wdt_start,1); } module_init(advwdt_init); -- 2.7.4