gpio: ds4520: don't check the 'ngpios' property in the driver

This is already done by the gpio-regmap abstraction by calling
gpiochip_get_ngpios(). We don't need to do this at the driver level.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250408-gpio-regmap-ngpios-v2-1-26f254014f57@linaro.org
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>

diff --git a/drivers/gpio/gpio-ds4520.c b/drivers/gpio/gpio-ds4520.c
index 1903deaef3e9b759a8961507f533da150d13e8a7..f52ecae382a4539b791e7835f294b62a112e5815 100644 (file)
--- a/drivers/gpio/gpio-ds4520.c
+++ b/drivers/gpio/gpio-ds4520.c
@@ -25,7 +25,6 @@ static int ds4520_gpio_probe(struct i2c_client *client)
        struct gpio_regmap_config config = { };
        struct device *dev = &client->dev;
        struct regmap *regmap;
-       u32 ngpio;
        u32 base;
        int ret;
 
@@ -33,10 +32,6 @@ static int ds4520_gpio_probe(struct i2c_client *client)
        if (ret)
                return dev_err_probe(dev, ret, "Missing 'reg' property.\n");
 
-       ret = device_property_read_u32(dev, "ngpios", &ngpio);
-       if (ret)
-               return dev_err_probe(dev, ret, "Missing 'ngpios' property.\n");
-
        regmap = devm_regmap_init_i2c(client, &ds4520_regmap_config);
        if (IS_ERR(regmap))
                return dev_err_probe(dev, PTR_ERR(regmap),
@@ -44,7 +39,6 @@ static int ds4520_gpio_probe(struct i2c_client *client)
 
        config.regmap = regmap;
        config.parent = dev;
-       config.ngpio = ngpio;
 
        config.reg_dat_base = base + DS4520_IO_STATUS0;
        config.reg_set_base = base + DS4520_PULLUP0;