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

From: Bartosz Golaszewski
Date: Mon Apr 07 2025 - 03:06:25 EST


From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>

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@xxxxxxxxxx>
---
drivers/gpio/gpio-ds4520.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/gpio/gpio-ds4520.c b/drivers/gpio/gpio-ds4520.c
index 1903deaef3e9..2390f53dae46 100644
--- a/drivers/gpio/gpio-ds4520.c
+++ b/drivers/gpio/gpio-ds4520.c
@@ -33,10 +33,6 @@ 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),

---
base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
change-id: 20250326-gpio-regmap-ngpios-e16aae1f0c98

Best regards,
--
Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>