diff options
Diffstat (limited to 'drivers/watchdog/da9062_wdt.c')
| -rw-r--r-- | drivers/watchdog/da9062_wdt.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c index 2a1e7de25b71..47eefe072b40 100644 --- a/drivers/watchdog/da9062_wdt.c +++ b/drivers/watchdog/da9062_wdt.c @@ -11,6 +11,7 @@ #include <linux/platform_device.h> #include <linux/uaccess.h> #include <linux/slab.h> +#include <linux/i2c.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <linux/mfd/da9062/registers.h> @@ -147,12 +148,13 @@ static int da9062_wdt_restart(struct watchdog_device *wdd, unsigned long action, void *data) { struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd); + struct i2c_client *client = to_i2c_client(wdt->hw->dev); int ret; - ret = regmap_write(wdt->hw->regmap, - DA9062AA_CONTROL_F, - DA9062AA_SHUTDOWN_MASK); - if (ret) + /* Don't use regmap because it is not atomic safe */ + ret = i2c_smbus_write_byte_data(client, DA9062AA_CONTROL_F, + DA9062AA_SHUTDOWN_MASK); + if (ret < 0) dev_alert(wdt->hw->dev, "Failed to shutdown (err = %d)\n", ret); |