summaryrefslogtreecommitdiffstats
path: root/drivers/watchdog
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/da9055_wdt.c17
-rw-r--r--drivers/watchdog/omap_wdt.c1
-rw-r--r--drivers/watchdog/twl4030_wdt.c11
3 files changed, 15 insertions, 14 deletions
diff --git a/drivers/watchdog/da9055_wdt.c b/drivers/watchdog/da9055_wdt.c
index 709ea1aefeb..f5ad10546fc 100644
--- a/drivers/watchdog/da9055_wdt.c
+++ b/drivers/watchdog/da9055_wdt.c
@@ -72,20 +72,21 @@ static int da9055_wdt_set_timeout(struct watchdog_device *wdt_dev,
DA9055_TWDSCALE_MASK,
da9055_wdt_maps[i].reg_val <<
DA9055_TWDSCALE_SHIFT);
- if (ret < 0)
+ if (ret < 0) {
dev_err(da9055->dev,
"Failed to update timescale bit, %d\n", ret);
+ return ret;
+ }
wdt_dev->timeout = timeout;
- return ret;
+ return 0;
}
static int da9055_wdt_ping(struct watchdog_device *wdt_dev)
{
struct da9055_wdt_data *driver_data = watchdog_get_drvdata(wdt_dev);
struct da9055 *da9055 = driver_data->da9055;
- int ret;
/*
* We have a minimum time for watchdog window called TWDMIN. A write
@@ -94,18 +95,12 @@ static int da9055_wdt_ping(struct watchdog_device *wdt_dev)
mdelay(DA9055_TWDMIN);
/* Reset the watchdog timer */
- ret = da9055_reg_update(da9055, DA9055_REG_CONTROL_E,
- DA9055_WATCHDOG_MASK, 1);
-
- return ret;
+ return da9055_reg_update(da9055, DA9055_REG_CONTROL_E,
+ DA9055_WATCHDOG_MASK, 1);
}
static void da9055_wdt_release_resources(struct kref *r)
{
- struct da9055_wdt_data *driver_data =
- container_of(r, struct da9055_wdt_data, kref);
-
- kfree(driver_data);
}
static void da9055_wdt_ref(struct watchdog_device *wdt_dev)
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 34ed61ea02b..b0e541d022e 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -296,7 +296,6 @@ static int omap_wdt_remove(struct platform_device *pdev)
{
struct watchdog_device *wdog = platform_get_drvdata(pdev);
struct omap_wdt_dev *wdev = watchdog_get_drvdata(wdog);
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pm_runtime_disable(wdev->dev);
watchdog_unregister_device(wdog);
diff --git a/drivers/watchdog/twl4030_wdt.c b/drivers/watchdog/twl4030_wdt.c
index 81918cf8993..0f03106f751 100644
--- a/drivers/watchdog/twl4030_wdt.c
+++ b/drivers/watchdog/twl4030_wdt.c
@@ -131,14 +131,21 @@ static int twl4030_wdt_resume(struct platform_device *pdev)
#define twl4030_wdt_resume NULL
#endif
+static const struct of_device_id twl_wdt_of_match[] = {
+ { .compatible = "ti,twl4030-wdt", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, twl_wdt_of_match);
+
static struct platform_driver twl4030_wdt_driver = {
.probe = twl4030_wdt_probe,
.remove = twl4030_wdt_remove,
.suspend = twl4030_wdt_suspend,
.resume = twl4030_wdt_resume,
.driver = {
- .owner = THIS_MODULE,
- .name = "twl4030_wdt",
+ .owner = THIS_MODULE,
+ .name = "twl4030_wdt",
+ .of_match_table = twl_wdt_of_match,
},
};