diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.8/540-watchdog-bcm47xx_wdt.c-convert-to-watchdog-core-api.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.8/540-watchdog-bcm47xx_wdt.c-convert-to-watchdog-core-api.patch | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/target/linux/brcm47xx/patches-3.8/540-watchdog-bcm47xx_wdt.c-convert-to-watchdog-core-api.patch b/target/linux/brcm47xx/patches-3.8/540-watchdog-bcm47xx_wdt.c-convert-to-watchdog-core-api.patch deleted file mode 100644 index 50ddaac541..0000000000 --- a/target/linux/brcm47xx/patches-3.8/540-watchdog-bcm47xx_wdt.c-convert-to-watchdog-core-api.patch +++ /dev/null @@ -1,258 +0,0 @@ ---- a/drivers/watchdog/Kconfig -+++ b/drivers/watchdog/Kconfig -@@ -972,6 +972,7 @@ config ATH79_WDT - config BCM47XX_WDT - tristate "Broadcom BCM47xx Watchdog Timer" - depends on BCM47XX -+ select WATCHDOG_CORE - help - Hardware driver for the Broadcom BCM47xx Watchdog Timer. - ---- a/drivers/watchdog/bcm47xx_wdt.c -+++ b/drivers/watchdog/bcm47xx_wdt.c -@@ -14,15 +14,12 @@ - - #include <linux/bitops.h> - #include <linux/errno.h> --#include <linux/fs.h> - #include <linux/init.h> - #include <linux/kernel.h> --#include <linux/miscdevice.h> - #include <linux/module.h> - #include <linux/moduleparam.h> - #include <linux/reboot.h> - #include <linux/types.h> --#include <linux/uaccess.h> - #include <linux/watchdog.h> - #include <linux/timer.h> - #include <linux/jiffies.h> -@@ -41,15 +38,11 @@ module_param(wdt_time, int, 0); - MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default=" - __MODULE_STRING(WDT_DEFAULT_TIME) ")"); - --#ifdef CONFIG_WATCHDOG_NOWAYOUT - module_param(nowayout, bool, 0); - MODULE_PARM_DESC(nowayout, - "Watchdog cannot be stopped once started (default=" - __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); --#endif - --static unsigned long bcm47xx_wdt_busy; --static char expect_release; - static struct timer_list wdt_timer; - static atomic_t ticks; - -@@ -97,29 +90,31 @@ static void bcm47xx_timer_tick(unsigned - } - } - --static inline void bcm47xx_wdt_pet(void) -+static int bcm47xx_wdt_keepalive(struct watchdog_device *wdd) - { - atomic_set(&ticks, wdt_time); -+ -+ return 0; - } - --static void bcm47xx_wdt_start(void) -+static int bcm47xx_wdt_start(struct watchdog_device *wdd) - { - bcm47xx_wdt_pet(); - bcm47xx_timer_tick(0); -+ -+ return 0; - } - --static void bcm47xx_wdt_pause(void) -+static int bcm47xx_wdt_stop(struct watchdog_device *wdd) - { - del_timer_sync(&wdt_timer); - bcm47xx_wdt_hw_stop(); --} - --static void bcm47xx_wdt_stop(void) --{ -- bcm47xx_wdt_pause(); -+ return 0; - } - --static int bcm47xx_wdt_settimeout(int new_time) -+static int bcm47xx_wdt_set_timeout(struct watchdog_device *wdd, -+ unsigned int new_time) - { - if ((new_time <= 0) || (new_time > WDT_MAX_TIME)) - return -EINVAL; -@@ -128,51 +123,6 @@ static int bcm47xx_wdt_settimeout(int ne - return 0; - } - --static int bcm47xx_wdt_open(struct inode *inode, struct file *file) --{ -- if (test_and_set_bit(0, &bcm47xx_wdt_busy)) -- return -EBUSY; -- -- bcm47xx_wdt_start(); -- return nonseekable_open(inode, file); --} -- --static int bcm47xx_wdt_release(struct inode *inode, struct file *file) --{ -- if (expect_release == 42) { -- bcm47xx_wdt_stop(); -- } else { -- pr_crit("Unexpected close, not stopping watchdog!\n"); -- bcm47xx_wdt_start(); -- } -- -- clear_bit(0, &bcm47xx_wdt_busy); -- expect_release = 0; -- return 0; --} -- --static ssize_t bcm47xx_wdt_write(struct file *file, const char __user *data, -- size_t len, loff_t *ppos) --{ -- if (len) { -- if (!nowayout) { -- size_t i; -- -- expect_release = 0; -- -- for (i = 0; i != len; i++) { -- char c; -- if (get_user(c, data + i)) -- return -EFAULT; -- if (c == 'V') -- expect_release = 42; -- } -- } -- bcm47xx_wdt_pet(); -- } -- return len; --} -- - static const struct watchdog_info bcm47xx_wdt_info = { - .identity = DRV_NAME, - .options = WDIOF_SETTIMEOUT | -@@ -180,80 +130,25 @@ static const struct watchdog_info bcm47x - WDIOF_MAGICCLOSE, - }; - --static long bcm47xx_wdt_ioctl(struct file *file, -- unsigned int cmd, unsigned long arg) --{ -- void __user *argp = (void __user *)arg; -- int __user *p = argp; -- int new_value, retval = -EINVAL; -- -- switch (cmd) { -- case WDIOC_GETSUPPORT: -- return copy_to_user(argp, &bcm47xx_wdt_info, -- sizeof(bcm47xx_wdt_info)) ? -EFAULT : 0; -- -- case WDIOC_GETSTATUS: -- case WDIOC_GETBOOTSTATUS: -- return put_user(0, p); -- -- case WDIOC_SETOPTIONS: -- if (get_user(new_value, p)) -- return -EFAULT; -- -- if (new_value & WDIOS_DISABLECARD) { -- bcm47xx_wdt_stop(); -- retval = 0; -- } -- -- if (new_value & WDIOS_ENABLECARD) { -- bcm47xx_wdt_start(); -- retval = 0; -- } -- -- return retval; -- -- case WDIOC_KEEPALIVE: -- bcm47xx_wdt_pet(); -- return 0; -- -- case WDIOC_SETTIMEOUT: -- if (get_user(new_value, p)) -- return -EFAULT; -- -- if (bcm47xx_wdt_settimeout(new_value)) -- return -EINVAL; -- -- bcm47xx_wdt_pet(); -- -- case WDIOC_GETTIMEOUT: -- return put_user(wdt_time, p); -- -- default: -- return -ENOTTY; -- } --} -- - static int bcm47xx_wdt_notify_sys(struct notifier_block *this, -- unsigned long code, void *unused) -+ unsigned long code, void *unused) - { - if (code == SYS_DOWN || code == SYS_HALT) - bcm47xx_wdt_stop(); - return NOTIFY_DONE; - } - --static const struct file_operations bcm47xx_wdt_fops = { -+static struct watchdog_ops bcm47xx_wdt_ops = { - .owner = THIS_MODULE, -- .llseek = no_llseek, -- .unlocked_ioctl = bcm47xx_wdt_ioctl, -- .open = bcm47xx_wdt_open, -- .release = bcm47xx_wdt_release, -- .write = bcm47xx_wdt_write, -+ .start = bcm47xx_wdt_start, -+ .stop = bcm47xx_wdt_stop, -+ .ping = bcm47xx_wdt_keepalive, -+ .set_timeout = bcm47xx_wdt_set_timeout, - }; - --static struct miscdevice bcm47xx_wdt_miscdev = { -- .minor = WATCHDOG_MINOR, -- .name = "watchdog", -- .fops = &bcm47xx_wdt_fops, -+static struct watchdog_device bcm47xx_wdt_wdd = { -+ .info = &bcm47xx_wdt_info, -+ .ops = &bcm47xx_wdt_ops, - }; - - static struct notifier_block bcm47xx_wdt_notifier = { -@@ -274,12 +169,13 @@ static int __init bcm47xx_wdt_init(void) - pr_info("wdt_time value must be 0 < wdt_time < %d, using %d\n", - (WDT_MAX_TIME + 1), wdt_time); - } -+ watchdog_set_nowayout(&bcm47xx_wdt_wdd, nowayout); - - ret = register_reboot_notifier(&bcm47xx_wdt_notifier); - if (ret) - return ret; - -- ret = misc_register(&bcm47xx_wdt_miscdev); -+ ret = watchdog_register_device(&bcm47xx_wdt_wdd); - if (ret) { - unregister_reboot_notifier(&bcm47xx_wdt_notifier); - return ret; -@@ -292,10 +188,7 @@ static int __init bcm47xx_wdt_init(void) - - static void __exit bcm47xx_wdt_exit(void) - { -- if (!nowayout) -- bcm47xx_wdt_stop(); -- -- misc_deregister(&bcm47xx_wdt_miscdev); -+ watchdog_unregister_device(&bcm47xx_wdt_wdd); - - unregister_reboot_notifier(&bcm47xx_wdt_notifier); - } -@@ -306,4 +199,3 @@ module_exit(bcm47xx_wdt_exit); - MODULE_AUTHOR("Aleksandar Radovanovic"); - MODULE_DESCRIPTION("Watchdog driver for Broadcom BCM47xx"); - MODULE_LICENSE("GPL"); --MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); |