mfd: lm3533: Use devm_gpio_request_one()

Use devm_gpio_request_one() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
index ceebf2c1ea97..4b7e6dac1de8 100644
--- a/drivers/mfd/lm3533-core.c
+++ b/drivers/mfd/lm3533-core.c
@@ -496,8 +496,8 @@ static int lm3533_device_init(struct lm3533 *lm3533)
         dev_set_drvdata(lm3533->dev, lm3533);
 
         if (gpio_is_valid(lm3533->gpio_hwen)) {
-                ret = gpio_request_one(lm3533->gpio_hwen, GPIOF_OUT_INIT_LOW,
-                                                                "lm3533-hwen");
+                ret = devm_gpio_request_one(lm3533->dev, lm3533->gpio_hwen,
+                                        GPIOF_OUT_INIT_LOW, "lm3533-hwen");
                 if (ret < 0) {
                         dev_err(lm3533->dev,
                                 "failed to request HWEN GPIO %d\n",
@@ -528,8 +528,6 @@ err_unregister:
         mfd_remove_devices(lm3533->dev);
 err_disable:
         lm3533_disable(lm3533);
-        if (gpio_is_valid(lm3533->gpio_hwen))
-                gpio_free(lm3533->gpio_hwen);
 
         return ret;
 }
@@ -542,8 +540,6 @@ static void lm3533_device_exit(struct lm3533 *lm3533)
 
         mfd_remove_devices(lm3533->dev);
         lm3533_disable(lm3533);
-        if (gpio_is_valid(lm3533->gpio_hwen))
-                gpio_free(lm3533->gpio_hwen);
 }
 
 static bool lm3533_readable_register(struct device *dev, unsigned int reg)