Commit bbee90e7 authored by Bartosz Golaszewski's avatar Bartosz Golaszewski
Browse files

gpio: of: clear OF_POPULATED on hog nodes in remove path 



The previously set OF_POPULATED flag should be cleared on the hog nodes
when removing the chip.

Cc: stable@vger.kernel.org
Fixes: 63636d95 ("gpio: of: Add DT overlay support for GPIO hogs")
Acked-by: default avatarLinus Walleij <linusw@kernel.org>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260309-gpio-hog-fwnode-v2-1-4e61f3dbf06a@oss.qualcomm.com


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
parent bf017304

drivers/gpio/gpiolib-of.c

+8 −1
Original line number Diff line number Diff line
@@ -1187,7 +1187,14 @@ int of_gpiochip_add(struct gpio_chip *chip) 


void of_gpiochip_remove(struct gpio_chip *chip)

{

	of_node_put(dev_of_node(&chip->gpiodev->dev));

	struct device_node *np = dev_of_node(&chip->gpiodev->dev);



	for_each_child_of_node_scoped(np, child) {

		if (of_property_present(child, "gpio-hog"))

			of_node_clear_flag(child, OF_POPULATED);

	}



	of_node_put(np);

}



bool of_gpiochip_instance_match(struct gpio_chip *gc, unsigned int index)