Loading drivers/watchdog/m548x_wdt.c +25 −25 Original line number Diff line number Diff line /* * drivers/watchdog/m548x_wdt.c * drivers/watchdog/m54xx_wdt.c * * Watchdog driver for ColdFire MCF548x processors * Watchdog driver for ColdFire MCF547x & MCF548x processors * Copyright 2010 (c) Philippe De Muyter <phdm@macqel.be> * * Adapted from the IXP4xx watchdog driver, which carries these notices: Loading Loading @@ -29,8 +29,8 @@ #include <linux/uaccess.h> #include <asm/coldfire.h> #include <asm/m548xsim.h> #include <asm/m548xgpt.h> #include <asm/m54xxsim.h> #include <asm/m54xxgpt.h> static int nowayout = WATCHDOG_NOWAYOUT; static unsigned int heartbeat = 30; /* (secs) Default is 0.5 minute */ Loading Loading @@ -76,7 +76,7 @@ static void wdt_keepalive(void) __raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0); } static int m548x_wdt_open(struct inode *inode, struct file *file) static int m54xx_wdt_open(struct inode *inode, struct file *file) { if (test_and_set_bit(WDT_IN_USE, &wdt_status)) return -EBUSY; Loading @@ -86,7 +86,7 @@ static int m548x_wdt_open(struct inode *inode, struct file *file) return nonseekable_open(inode, file); } static ssize_t m548x_wdt_write(struct file *file, const char *data, static ssize_t m54xx_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) { if (len) { Loading @@ -112,10 +112,10 @@ static ssize_t m548x_wdt_write(struct file *file, const char *data, static const struct watchdog_info ident = { .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, .identity = "Coldfire M548x Watchdog", .identity = "Coldfire M54xx Watchdog", }; static long m548x_wdt_ioctl(struct file *file, unsigned int cmd, static long m54xx_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret = -ENOTTY; Loading Loading @@ -161,7 +161,7 @@ static long m548x_wdt_ioctl(struct file *file, unsigned int cmd, return ret; } static int m548x_wdt_release(struct inode *inode, struct file *file) static int m54xx_wdt_release(struct inode *inode, struct file *file) { if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) wdt_disable(); Loading @@ -177,45 +177,45 @@ static int m548x_wdt_release(struct inode *inode, struct file *file) } static const struct file_operations m548x_wdt_fops = { static const struct file_operations m54xx_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, .write = m548x_wdt_write, .unlocked_ioctl = m548x_wdt_ioctl, .open = m548x_wdt_open, .release = m548x_wdt_release, .write = m54xx_wdt_write, .unlocked_ioctl = m54xx_wdt_ioctl, .open = m54xx_wdt_open, .release = m54xx_wdt_release, }; static struct miscdevice m548x_wdt_miscdev = { static struct miscdevice m54xx_wdt_miscdev = { .minor = WATCHDOG_MINOR, .name = "watchdog", .fops = &m548x_wdt_fops, .fops = &m54xx_wdt_fops, }; static int __init m548x_wdt_init(void) static int __init m54xx_wdt_init(void) { if (!request_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4, "Coldfire M548x Watchdog")) { "Coldfire M54xx Watchdog")) { printk(KERN_WARNING "Coldfire M548x Watchdog : I/O region busy\n"); "Coldfire M54xx Watchdog : I/O region busy\n"); return -EBUSY; } printk(KERN_INFO "ColdFire watchdog driver is loaded.\n"); return misc_register(&m548x_wdt_miscdev); return misc_register(&m54xx_wdt_miscdev); } static void __exit m548x_wdt_exit(void) static void __exit m54xx_wdt_exit(void) { misc_deregister(&m548x_wdt_miscdev); misc_deregister(&m54xx_wdt_miscdev); release_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4); } module_init(m548x_wdt_init); module_exit(m548x_wdt_exit); module_init(m54xx_wdt_init); module_exit(m54xx_wdt_exit); MODULE_AUTHOR("Philippe De Muyter <phdm@macqel.be>"); MODULE_DESCRIPTION("Coldfire M548x Watchdog"); MODULE_DESCRIPTION("Coldfire M54xx Watchdog"); module_param(heartbeat, int, 0); MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds (default 30s)"); Loading Loading
drivers/watchdog/m548x_wdt.c +25 −25 Original line number Diff line number Diff line /* * drivers/watchdog/m548x_wdt.c * drivers/watchdog/m54xx_wdt.c * * Watchdog driver for ColdFire MCF548x processors * Watchdog driver for ColdFire MCF547x & MCF548x processors * Copyright 2010 (c) Philippe De Muyter <phdm@macqel.be> * * Adapted from the IXP4xx watchdog driver, which carries these notices: Loading Loading @@ -29,8 +29,8 @@ #include <linux/uaccess.h> #include <asm/coldfire.h> #include <asm/m548xsim.h> #include <asm/m548xgpt.h> #include <asm/m54xxsim.h> #include <asm/m54xxgpt.h> static int nowayout = WATCHDOG_NOWAYOUT; static unsigned int heartbeat = 30; /* (secs) Default is 0.5 minute */ Loading Loading @@ -76,7 +76,7 @@ static void wdt_keepalive(void) __raw_writel(gms0, MCF_MBAR + MCF_GPT_GMS0); } static int m548x_wdt_open(struct inode *inode, struct file *file) static int m54xx_wdt_open(struct inode *inode, struct file *file) { if (test_and_set_bit(WDT_IN_USE, &wdt_status)) return -EBUSY; Loading @@ -86,7 +86,7 @@ static int m548x_wdt_open(struct inode *inode, struct file *file) return nonseekable_open(inode, file); } static ssize_t m548x_wdt_write(struct file *file, const char *data, static ssize_t m54xx_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos) { if (len) { Loading @@ -112,10 +112,10 @@ static ssize_t m548x_wdt_write(struct file *file, const char *data, static const struct watchdog_info ident = { .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING, .identity = "Coldfire M548x Watchdog", .identity = "Coldfire M54xx Watchdog", }; static long m548x_wdt_ioctl(struct file *file, unsigned int cmd, static long m54xx_wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret = -ENOTTY; Loading Loading @@ -161,7 +161,7 @@ static long m548x_wdt_ioctl(struct file *file, unsigned int cmd, return ret; } static int m548x_wdt_release(struct inode *inode, struct file *file) static int m54xx_wdt_release(struct inode *inode, struct file *file) { if (test_bit(WDT_OK_TO_CLOSE, &wdt_status)) wdt_disable(); Loading @@ -177,45 +177,45 @@ static int m548x_wdt_release(struct inode *inode, struct file *file) } static const struct file_operations m548x_wdt_fops = { static const struct file_operations m54xx_wdt_fops = { .owner = THIS_MODULE, .llseek = no_llseek, .write = m548x_wdt_write, .unlocked_ioctl = m548x_wdt_ioctl, .open = m548x_wdt_open, .release = m548x_wdt_release, .write = m54xx_wdt_write, .unlocked_ioctl = m54xx_wdt_ioctl, .open = m54xx_wdt_open, .release = m54xx_wdt_release, }; static struct miscdevice m548x_wdt_miscdev = { static struct miscdevice m54xx_wdt_miscdev = { .minor = WATCHDOG_MINOR, .name = "watchdog", .fops = &m548x_wdt_fops, .fops = &m54xx_wdt_fops, }; static int __init m548x_wdt_init(void) static int __init m54xx_wdt_init(void) { if (!request_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4, "Coldfire M548x Watchdog")) { "Coldfire M54xx Watchdog")) { printk(KERN_WARNING "Coldfire M548x Watchdog : I/O region busy\n"); "Coldfire M54xx Watchdog : I/O region busy\n"); return -EBUSY; } printk(KERN_INFO "ColdFire watchdog driver is loaded.\n"); return misc_register(&m548x_wdt_miscdev); return misc_register(&m54xx_wdt_miscdev); } static void __exit m548x_wdt_exit(void) static void __exit m54xx_wdt_exit(void) { misc_deregister(&m548x_wdt_miscdev); misc_deregister(&m54xx_wdt_miscdev); release_mem_region(MCF_MBAR + MCF_GPT_GCIR0, 4); } module_init(m548x_wdt_init); module_exit(m548x_wdt_exit); module_init(m54xx_wdt_init); module_exit(m54xx_wdt_exit); MODULE_AUTHOR("Philippe De Muyter <phdm@macqel.be>"); MODULE_DESCRIPTION("Coldfire M548x Watchdog"); MODULE_DESCRIPTION("Coldfire M54xx Watchdog"); module_param(heartbeat, int, 0); MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds (default 30s)"); Loading