serial: sc16is7xx: use new GPIO line value setter callbacks

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>

diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 560f45ed19aeba0f98134751f95731f21f0b81ed..5ea8aadb6e69c123c9ff5724ad1f4f2563ac8daa 100644 (file)
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -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;