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path: root/drivers/watchdog/s3c2410_wdt.c
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Diffstat (limited to 'drivers/watchdog/s3c2410_wdt.c')
-rw-r--r--drivers/watchdog/s3c2410_wdt.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 95416a9bdd4b..0b4bd883ff28 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -23,7 +23,6 @@
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/delay.h>
@@ -379,10 +378,11 @@ static int s3c2410wdt_enable(struct s3c2410_wdt *wdt, bool en)
static int s3c2410wdt_keepalive(struct watchdog_device *wdd)
{
struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
+ unsigned long flags;
- spin_lock(&wdt->lock);
+ spin_lock_irqsave(&wdt->lock, flags);
writel(wdt->count, wdt->reg_base + S3C2410_WTCNT);
- spin_unlock(&wdt->lock);
+ spin_unlock_irqrestore(&wdt->lock, flags);
return 0;
}
@@ -399,10 +399,11 @@ static void __s3c2410wdt_stop(struct s3c2410_wdt *wdt)
static int s3c2410wdt_stop(struct watchdog_device *wdd)
{
struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
+ unsigned long flags;
- spin_lock(&wdt->lock);
+ spin_lock_irqsave(&wdt->lock, flags);
__s3c2410wdt_stop(wdt);
- spin_unlock(&wdt->lock);
+ spin_unlock_irqrestore(&wdt->lock, flags);
return 0;
}
@@ -411,8 +412,9 @@ static int s3c2410wdt_start(struct watchdog_device *wdd)
{
unsigned long wtcon;
struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
+ unsigned long flags;
- spin_lock(&wdt->lock);
+ spin_lock_irqsave(&wdt->lock, flags);
__s3c2410wdt_stop(wdt);
@@ -433,7 +435,7 @@ static int s3c2410wdt_start(struct watchdog_device *wdd)
writel(wdt->count, wdt->reg_base + S3C2410_WTDAT);
writel(wdt->count, wdt->reg_base + S3C2410_WTCNT);
writel(wtcon, wdt->reg_base + S3C2410_WTCON);
- spin_unlock(&wdt->lock);
+ spin_unlock_irqrestore(&wdt->lock, flags);
return 0;
}