diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-04-29 18:31:20 +0900 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2013-07-11 21:05:02 +0200 |
| commit | 7a5da030c6ecdd6229f079902a17e641c7f2fbd6 (patch) | |
| tree | 6095e61e2162dd3073da533f7db3f79487a80353 /drivers/watchdog/wm831x_wdt.c | |
| parent | d3a33a9500f262a40fcf3a9b9b9c3e03890b14dd (diff) | |
| download | lwn-7a5da030c6ecdd6229f079902a17e641c7f2fbd6.tar.gz lwn-7a5da030c6ecdd6229f079902a17e641c7f2fbd6.zip | |
watchdog: wm831x_wdt: use devm_gpio_request_one()
Use devm_gpio_request_one() to make cleanup paths simpler.
Also, GPIOF_DIR_OUT | GPIOF_INIT_LOW is replaced with
GPIOF_OUT_INIT_LOW.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/wm831x_wdt.c')
| -rw-r--r-- | drivers/watchdog/wm831x_wdt.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c index 9dcb6d082277..3348ddd618c7 100644 --- a/drivers/watchdog/wm831x_wdt.c +++ b/drivers/watchdog/wm831x_wdt.c @@ -247,9 +247,10 @@ static int wm831x_wdt_probe(struct platform_device *pdev) reg |= pdata->software << WM831X_WDOG_RST_SRC_SHIFT; if (pdata->update_gpio) { - ret = gpio_request_one(pdata->update_gpio, - GPIOF_DIR_OUT | GPIOF_INIT_LOW, - "Watchdog update"); + ret = devm_gpio_request_one(&pdev->dev, + pdata->update_gpio, + GPIOF_OUT_INIT_LOW, + "Watchdog update"); if (ret < 0) { dev_err(wm831x->dev, "Failed to request update GPIO: %d\n", @@ -270,7 +271,7 @@ static int wm831x_wdt_probe(struct platform_device *pdev) } else { dev_err(wm831x->dev, "Failed to unlock security key: %d\n", ret); - goto err_gpio; + goto err; } } @@ -278,16 +279,13 @@ static int wm831x_wdt_probe(struct platform_device *pdev) if (ret != 0) { dev_err(wm831x->dev, "watchdog_register_device() failed: %d\n", ret); - goto err_gpio; + goto err; } dev_set_drvdata(&pdev->dev, driver_data); return 0; -err_gpio: - if (driver_data->update_gpio) - gpio_free(driver_data->update_gpio); err: return ret; } @@ -298,9 +296,6 @@ static int wm831x_wdt_remove(struct platform_device *pdev) watchdog_unregister_device(&driver_data->wdt); - if (driver_data->update_gpio) - gpio_free(driver_data->update_gpio); - return 0; } |