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gpiolib: Use fwnode instead of device in gpiochip_get_ngpios()

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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>
This commit is contained in:
Andy Shevchenko 2025-02-13 21:48:47 +02:00 committed by Bartosz Golaszewski
parent 375790f183
commit 6f077e5758
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpiolib.c
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@ -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