gpio: mockup: use value returning setters

struct gpio_chip now has additional variants of the set(_multiple)
driver callbacks that return an integer to indicate success or failure.
Convert the driver to using them.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20250220-gpio-set-retval-v2-9-bc4cfd38dae3@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index d39c6618bade2a772db556a617cd93d05ba2cce4..266c0953d91400b475d7106b67fcd255c4b48810 100644 (file)
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -122,7 +122,7 @@ static void __gpio_mockup_set(struct gpio_mockup_chip *chip,
        chip->lines[offset].value = !!value;
 }
 
-static void gpio_mockup_set(struct gpio_chip *gc,
+static int gpio_mockup_set(struct gpio_chip *gc,
                           unsigned int offset, int value)
 {
        struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
@@ -130,10 +130,12 @@ static void gpio_mockup_set(struct gpio_chip *gc,
        guard(mutex)(&chip->lock);
 
        __gpio_mockup_set(chip, offset, value);
+
+       return 0;
 }
 
-static void gpio_mockup_set_multiple(struct gpio_chip *gc,
-                                    unsigned long *mask, unsigned long *bits)
+static int gpio_mockup_set_multiple(struct gpio_chip *gc,
+                                   unsigned long *mask, unsigned long *bits)
 {
        struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
        unsigned int bit;
@@ -142,6 +144,8 @@ static void gpio_mockup_set_multiple(struct gpio_chip *gc,
 
        for_each_set_bit(bit, mask, gc->ngpio)
                __gpio_mockup_set(chip, bit, test_bit(bit, bits));
+
+       return 0;
 }
 
 static int gpio_mockup_apply_pull(struct gpio_mockup_chip *chip,
@@ -445,9 +449,9 @@ static int gpio_mockup_probe(struct platform_device *pdev)
        gc->owner = THIS_MODULE;
        gc->parent = dev;
        gc->get = gpio_mockup_get;
-       gc->set = gpio_mockup_set;
+       gc->set_rv = gpio_mockup_set;
        gc->get_multiple = gpio_mockup_get_multiple;
-       gc->set_multiple = gpio_mockup_set_multiple;
+       gc->set_multiple_rv = gpio_mockup_set_multiple;
        gc->direction_output = gpio_mockup_dirout;
        gc->direction_input = gpio_mockup_dirin;
        gc->get_direction = gpio_mockup_get_direction;