serial: max310x: replace bare use of 'unsigned' with 'unsigned int' (checkpatch)

Fixes the following checkpatch warnings:

    WARNING: Prefer 'unsigned int' to bare use of 'unsigned'

With this change, the affected functions now match the prototypes in
struct gpio_chip.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20240118152213.2644269-16-hugo@hugovil.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/max310x.c

@@ -1156,7 +1156,7 @@ static int __maybe_unused max310x_resume(struct device *dev)
 static SIMPLE_DEV_PM_OPS(max310x_pm_ops, max310x_suspend, max310x_resume);
 
 #ifdef CONFIG_GPIOLIB
-static int max310x_gpio_get(struct gpio_chip *chip, unsigned offset)
+static int max310x_gpio_get(struct gpio_chip *chip, unsigned int offset)
 {
 	unsigned int val;
 	struct max310x_port *s = gpiochip_get_data(chip);
@@ -1167,7 +1167,7 @@ static int max310x_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return !!((val >> 4) & (1 << (offset % 4)));
 }
 
-static void max310x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static void max310x_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	struct max310x_port *s = gpiochip_get_data(chip);
 	struct uart_port *port = &s->p[offset / 4].port;
@@ -1176,7 +1176,7 @@ static void max310x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 			    value ? 1 << (offset % 4) : 0);
 }
 
-static int max310x_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+static int max310x_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
 {
 	struct max310x_port *s = gpiochip_get_data(chip);
 	struct uart_port *port = &s->p[offset / 4].port;
@@ -1187,7 +1187,7 @@ static int max310x_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 }
 
 static int max310x_gpio_direction_output(struct gpio_chip *chip,
-					 unsigned offset, int value)
+					 unsigned int offset, int value)
 {
 	struct max310x_port *s = gpiochip_get_data(chip);
 	struct uart_port *port = &s->p[offset / 4].port;