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Revert "gpiolib: Remove duplicated function gpio_do_set_config()"

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This reverts commit d18fddff06.

This patch came on top of another patch that introduced a regression.
Revert it before addressing the culprit.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Bartosz Golaszewski 2020-02-03 14:03:37 +01:00
parent bb6d3fb354
commit d99f88761b
1 changed files with 23 additions and 4 deletions
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27
drivers/gpio/gpiolib.c
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@ -3035,8 +3035,8 @@ 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,
enum pin_config_param mode)
{
if (!gc->set_config)
return -ENOTSUPP;
@ -3044,6 +3044,25 @@ static int gpio_set_config(struct gpio_chip *gc, unsigned int offset,
return gc->set_config(gc, offset, mode);
}
static int gpio_set_config(struct gpio_chip *gc, unsigned int offset,
enum pin_config_param mode)
{
unsigned arg;
switch (mode) {
case PIN_CONFIG_BIAS_DISABLE:
case PIN_CONFIG_BIAS_PULL_DOWN:
case PIN_CONFIG_BIAS_PULL_UP:
arg = 1;
break;
default:
arg = 0;
}
return gpio_do_set_config(gc, offset, mode);
}
static int gpio_set_bias(struct gpio_chip *chip, struct gpio_desc *desc)
{
int bias = 0;
@ -3277,7 +3296,7 @@ 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);
@ -3311,7 +3330,7 @@ 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);