Commit 6f077e57 authored Feb 13, 2025 by Andy Shevchenko Committed by Bartosz Golaszewski Feb 21, 2025

gpiolib: Use fwnode instead of device in gpiochip_get_ngpios()

The gpiochip_get_ngpios() can be used in the cases where passed device
is not a provider of the certain property. Use fwnode instead.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Reviewed-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Link: https://lore.kernel.org/r/20250213195621.3133406-3-andriy.shevchenko@linux.intel.com

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

parent 375790f1

drivers/gpio/gpiolib.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -900,11 +900,12 @@ static struct fwnode_handle gpiochip_choose_fwnode(struct gpio_chip gc)

		int gpiochip_get_ngpios(struct gpio_chip gc, struct device dev)
		{
		struct fwnode_handle *fwnode = gpiochip_choose_fwnode(gc);
		u32 ngpios = gc->ngpio;
		int ret;

		if (ngpios == 0) {
		ret = device_property_read_u32(dev, "ngpios", &ngpios);
		ret = fwnode_property_read_u32(fwnode, "ngpios", &ngpios);
		if (ret == -ENODATA)
		/*
		* -ENODATA means that there is no property found and