regulator: s5m8767: Fix to work even if no DVS gpio present

Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 4afca9d570d2..8ef5b337ad65 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -626,9 +626,16 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
                 }
         }
 
-        if (gpio_is_valid(pdata->buck_gpios[0]) &&
-                gpio_is_valid(pdata->buck_gpios[1]) &&
-                gpio_is_valid(pdata->buck_gpios[2])) {
+        if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
+                                                pdata->buck4_gpiodvs) {
+
+                if (!gpio_is_valid(pdata->buck_gpios[0]) ||
+                        !gpio_is_valid(pdata->buck_gpios[1]) ||
+                        !gpio_is_valid(pdata->buck_gpios[2])) {
+                        dev_err(&pdev->dev, "GPIO NOT VALID\n");
+                        return -EINVAL;
+                }
+
                 ret = devm_gpio_request(&pdev->dev, pdata->buck_gpios[0],
                                         "S5M8767 SET1");
                 if (ret)
@@ -653,10 +660,6 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
                 /* SET3 GPIO */
                 gpio_direction_output(pdata->buck_gpios[2],
                                 (s5m8767->buck_gpioindex >> 0) & 0x1);
-        } else {
-                dev_err(&pdev->dev, "GPIO NOT VALID\n");
-                ret = -EINVAL;
-                return ret;
         }
 
         ret = devm_gpio_request(&pdev->dev, pdata->buck_ds[0], "S5M8767 DS2");