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Merge tag 'gpio-mmio-bgpiof-no-input-flag-for-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into devel

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Immutable tag for the pinctrl tree to pull from

Add the BGPIOF_NO_INPUT to the gpio-mmio API.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij
2025-06-19 09:17:10 +02:00
parent 9a40347181 deefc70834
commit 62be3d6e48
2 changed files with 11 additions and 1 deletions
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11
drivers/gpio/gpio-mmio.c
View File

@@ -335,6 +335,11 @@ static int bgpio_dir_return(struct gpio_chip *gc, unsigned int gpio, bool dir_ou
return pinctrl_gpio_direction_input(gc, gpio);
}
static int bgpio_dir_in_err(struct gpio_chip *gc, unsigned int gpio)
{
return -EINVAL;
}
static int bgpio_simple_dir_in(struct gpio_chip *gc, unsigned int gpio)
{
return bgpio_dir_return(gc, gpio, false);
@@ -566,7 +571,11 @@ static int bgpio_setup_direction(struct gpio_chip *gc,
gc->direction_output = bgpio_dir_out_err;
else
gc->direction_output = bgpio_simple_dir_out;
gc->direction_input = bgpio_simple_dir_in;
if (flags & BGPIOF_NO_INPUT)
gc->direction_input = bgpio_dir_in_err;
else
gc->direction_input = bgpio_simple_dir_in;
}
return 0;

1
include/linux/gpio/driver.h
View File

@@ -750,6 +750,7 @@ int bgpio_init(struct gpio_chip *gc, struct device *dev,
#define BGPIOF_NO_OUTPUT BIT(5) /* only input */
#define BGPIOF_NO_SET_ON_INPUT BIT(6)
#define BGPIOF_PINCTRL_BACKEND BIT(7) /* Call pinctrl direction setters */
#define BGPIOF_NO_INPUT BIT(8) /* only output */
#ifdef CONFIG_GPIOLIB_IRQCHIP
int gpiochip_irqchip_add_domain(struct gpio_chip *gc,