diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /drivers/watchdog/dw_wdt.c | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/watchdog/dw_wdt.c')
| -rw-r--r-- | drivers/watchdog/dw_wdt.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c index d0bb9499d..6ea063434 100644 --- a/drivers/watchdog/dw_wdt.c +++ b/drivers/watchdog/dw_wdt.c @@ -35,7 +35,6 @@ #include <linux/pm.h> #include <linux/platform_device.h> #include <linux/reboot.h> -#include <linux/spinlock.h> #include <linux/timer.h> #include <linux/uaccess.h> #include <linux/watchdog.h> @@ -61,7 +60,6 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started " #define WDT_TIMEOUT (HZ / 2) static struct { - spinlock_t lock; void __iomem *regs; struct clk *clk; unsigned long in_use; @@ -177,7 +175,6 @@ static int dw_wdt_open(struct inode *inode, struct file *filp) /* Make sure we don't get unloaded. */ __module_get(THIS_MODULE); - spin_lock(&dw_wdt.lock); if (!dw_wdt_is_enabled()) { /* * The watchdog is not currently enabled. Set the timeout to @@ -190,8 +187,6 @@ static int dw_wdt_open(struct inode *inode, struct file *filp) dw_wdt_set_next_heartbeat(); - spin_unlock(&dw_wdt.lock); - return nonseekable_open(inode, filp); } @@ -220,6 +215,7 @@ static ssize_t dw_wdt_write(struct file *filp, const char __user *buf, } dw_wdt_set_next_heartbeat(); + dw_wdt_keepalive(); mod_timer(&dw_wdt.timer, jiffies + WDT_TIMEOUT); return len; @@ -348,8 +344,6 @@ static int dw_wdt_drv_probe(struct platform_device *pdev) if (ret) return ret; - spin_lock_init(&dw_wdt.lock); - ret = misc_register(&dw_wdt_miscdev); if (ret) goto out_disable_clk; |