pinctrl: bcm2835: Direct GPIO config changes to generic pinctrl

In order to support GPIO config changes direct these to the generic pinctrl.
This also requires an adjust of the return code for unsupported parameter
otherwise gpiod_configure_flags wont work as expected.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index 19eb4fd1ed4cc0eed460984d32baae2941a75941..183d1ffe6a75de6f6f205c17b88bc15db4fd23a8 100644 (file)
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -341,6 +341,7 @@ static const struct gpio_chip bcm2835_gpio_chip = {
        .get_direction = bcm2835_gpio_get_direction,
        .get = bcm2835_gpio_get,
        .set = bcm2835_gpio_set,
+       .set_config = gpiochip_generic_config,
        .base = -1,
        .ngpio = BCM2835_NUM_GPIOS,
        .can_sleep = false,
@@ -960,7 +961,7 @@ static int bcm2835_pinconf_set(struct pinctrl_dev *pctldev,
                        break;
 
                default:
-                       return -EINVAL;
+                       return -ENOTSUPP;
 
                } /* switch param type */
        } /* for each config */