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authorLinus Walleij <linus.walleij@linaro.org>2020-03-27 22:36:17 +0100
committerLinus Walleij <linus.walleij@linaro.org>2020-03-27 22:36:17 +0100
commit06dd3f31cb70035cbd3f507c11fd50e3089aeb81 (patch)
tree98065919df104fba32191f2464f4193a998cd6a1 /drivers/gpio/gpiolib.c
parent82f04bfe2aff428b063eefd234679b2d693228ed (diff)
parent16fbf79b0f83bc752cee8589279f1ebfe57b3b6e (diff)
Merge tag 'v5.6-rc7' into devel
Linux 5.6-rc7
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r--drivers/gpio/gpiolib.c30
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 44f2a449729f..e3616cc85d66 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3187,13 +3187,33 @@ EXPORT_SYMBOL_GPL(gpiochip_free_own_desc);
* rely on gpio_request() having been called beforehand.
*/
-static int gpio_set_config(struct gpio_chip *gc, unsigned int offset,
- enum pin_config_param mode)
+static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset,
+ unsigned long config)
{
if (!gc->set_config)
return -ENOTSUPP;
- return gc->set_config(gc, offset, mode);
+ return gc->set_config(gc, offset, config);
+}
+
+static int gpio_set_config(struct gpio_chip *gc, unsigned int offset,
+ enum pin_config_param mode)
+{
+ unsigned long config;
+ unsigned arg;
+
+ switch (mode) {
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ case PIN_CONFIG_BIAS_PULL_UP:
+ arg = 1;
+ break;
+
+ default:
+ arg = 0;
+ }
+
+ config = PIN_CONF_PACKED(mode, arg);
+ return gpio_do_set_config(gc, offset, config);
}
static int gpio_set_bias(struct gpio_chip *chip, struct gpio_desc *desc)
@@ -3429,7 +3449,7 @@ int gpiod_set_debounce(struct gpio_desc *desc, unsigned debounce)
chip = desc->gdev->chip;
config = pinconf_to_config_packed(PIN_CONFIG_INPUT_DEBOUNCE, debounce);
- return gpio_set_config(chip, gpio_chip_hwgpio(desc), config);
+ return gpio_do_set_config(chip, gpio_chip_hwgpio(desc), config);
}
EXPORT_SYMBOL_GPL(gpiod_set_debounce);
@@ -3463,7 +3483,7 @@ int gpiod_set_transitory(struct gpio_desc *desc, bool transitory)
packed = pinconf_to_config_packed(PIN_CONFIG_PERSIST_STATE,
!transitory);
gpio = gpio_chip_hwgpio(desc);
- rc = gpio_set_config(chip, gpio, packed);
+ rc = gpio_do_set_config(chip, gpio, packed);
if (rc == -ENOTSUPP) {
dev_dbg(&desc->gdev->dev, "Persistence not supported for GPIO %d\n",
gpio);