gpio: spear-spics: 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.

Link: https://lore.kernel.org/r/20250625-gpiochip-set-rv-gpio-round2-v1-6-bc110a3b52ff@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-spear-spics.c b/drivers/gpio/gpio-spear-spics.c
index 964b7dcb30b7a5bccda964a637f7fec97fe02aa4..55f0e8afa29143649e868a02edc19d920e10c31c 100644 (file)
--- a/drivers/gpio/gpio-spear-spics.c
+++ b/drivers/gpio/gpio-spear-spics.c
@@ -51,7 +51,8 @@ struct spear_spics {
        struct gpio_chip        chip;
 };
 
-static void spics_set_value(struct gpio_chip *chip, unsigned offset, int value)
+static int spics_set_value(struct gpio_chip *chip, unsigned int offset,
+                          int value)
 {
        struct spear_spics *spics = gpiochip_get_data(chip);
        u32 tmp;
@@ -68,13 +69,14 @@ static void spics_set_value(struct gpio_chip *chip, unsigned offset, int value)
        tmp &= ~(0x1 << spics->cs_value_bit);
        tmp |= value << spics->cs_value_bit;
        writel_relaxed(tmp, spics->base + spics->perip_cfg);
+
+       return 0;
 }
 
 static int spics_direction_output(struct gpio_chip *chip, unsigned offset,
                int value)
 {
-       spics_set_value(chip, offset, value);
-       return 0;
+       return spics_set_value(chip, offset, value);
 }
 
 static int spics_request(struct gpio_chip *chip, unsigned offset)
@@ -138,7 +140,7 @@ static int spics_gpio_probe(struct platform_device *pdev)
        spics->chip.request = spics_request;
        spics->chip.free = spics_free;
        spics->chip.direction_output = spics_direction_output;
-       spics->chip.set = spics_set_value;
+       spics->chip.set_rv = spics_set_value;
        spics->chip.label = dev_name(&pdev->dev);
        spics->chip.parent = &pdev->dev;
        spics->chip.owner = THIS_MODULE;