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serial: sc16is7xx: use new GPIO line value setter callbacks

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struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250408-gpiochip-set-rv-tty-v1-2-fb49444827d4@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2025-04-08 09:42:01 +02:00 committed by Greg Kroah-Hartman
parent 2318a48868
commit a5482409a4
1 changed files with 5 additions and 2 deletions
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7
drivers/tty/serial/sc16is7xx.c
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@ -1333,13 +1333,16 @@ static int sc16is7xx_gpio_get(struct gpio_chip *chip, unsigned offset)
return !!(val & BIT(offset));
}
static void sc16is7xx_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
static int sc16is7xx_gpio_set(struct gpio_chip *chip, unsigned int offset,
int val)
{
struct sc16is7xx_port *s = gpiochip_get_data(chip);
struct uart_port *port = &s->p[0].port;
sc16is7xx_port_update(port, SC16IS7XX_IOSTATE_REG, BIT(offset),
val ? BIT(offset) : 0);
return 0;
}
static int sc16is7xx_gpio_direction_input(struct gpio_chip *chip,
@ -1422,7 +1425,7 @@ static int sc16is7xx_setup_gpio_chip(struct sc16is7xx_port *s)
s->gpio.direction_input = sc16is7xx_gpio_direction_input;
s->gpio.get = sc16is7xx_gpio_get;
s->gpio.direction_output = sc16is7xx_gpio_direction_output;
s->gpio.set = sc16is7xx_gpio_set;
s->gpio.set_rv = sc16is7xx_gpio_set;
s->gpio.base = -1;
s->gpio.ngpio = s->devtype->nr_gpio;
s->gpio.can_sleep = 1;