pinctrl: remove double pin validity check.

Function pin_is_valid just call pin_desc_get which is in pin_request
call some line below. Remove pin_is_valid() check.

Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 5 insertions, 10 deletions

diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 72b760bc880a..17c3931d5ef0 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -108,16 +108,6 @@ static int pin_request(struct pinctrl_dev *pctldev,
 
         dev_dbg(&pctldev->dev, "request pin %d for %s\n", pin, function);
 
-        if (!pin_is_valid(pctldev, pin)) {
-                dev_err(&pctldev->dev, "pin is invalid\n");
-                return -EINVAL;
-        }
-
-        if (!function) {
-                dev_err(&pctldev->dev, "no function name given\n");
-                return -EINVAL;
-        }
-
         desc = pin_desc_get(pctldev, pin);
         if (desc == NULL) {
                 dev_err(&pctldev->dev,
@@ -125,6 +115,11 @@ static int pin_request(struct pinctrl_dev *pctldev,
                 goto out;
         }
 
+        if (!function) {
+                dev_err(&pctldev->dev, "no function name given\n");
+                return -EINVAL;
+        }
+
         spin_lock(&desc->lock);
         if (desc->mux_function) {
                 spin_unlock(&desc->lock);