regulator: lp8788-buck: Kill _gpio_request function

Simply use devm_gpio_request_one() instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index ba3e0aa402de84a67cfcb3ac15ee8c0555f2eb1b..fab2590dc58ef19292d2f245d14d4d4f6d86edd4 100644 (file)
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -429,18 +429,6 @@ static struct regulator_desc lp8788_buck_desc[] = {
        },
 };
 
-static int _gpio_request(struct lp8788_buck *buck, int gpio, char *name)
-{
-       struct device *dev = buck->lp->dev;
-
-       if (!gpio_is_valid(gpio)) {
-               dev_err(dev, "invalid gpio: %d\n", gpio);
-               return -EINVAL;
-       }
-
-       return devm_gpio_request_one(dev, gpio, DVS_LOW, name);
-}
-
 static int lp8788_dvs_gpio_request(struct lp8788_buck *buck,
                                enum lp8788_buck_id id)
 {
@@ -452,7 +440,8 @@ static int lp8788_dvs_gpio_request(struct lp8788_buck *buck,
        switch (id) {
        case BUCK1:
                gpio = pdata->buck1_dvs->gpio;
-               ret = _gpio_request(buck, gpio, b1_name);
+               ret = devm_gpio_request_one(buck->lp->dev, gpio, DVS_LOW,
+                                           b1_name);
                if (ret)
                        return ret;
 
@@ -461,7 +450,8 @@ static int lp8788_dvs_gpio_request(struct lp8788_buck *buck,
        case BUCK2:
                for (i = 0 ; i < LP8788_NUM_BUCK2_DVS ; i++) {
                        gpio = pdata->buck2_dvs->gpio[i];
-                       ret = _gpio_request(buck, gpio, b2_name[i]);
+                       ret = devm_gpio_request_one(buck->lp->dev, gpio,
+                                                   DVS_LOW, b2_name[i]);
                        if (ret)
                                return ret;
                }