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: 63636d956c455 ("gpio: of: Add DT overlay support for GPIO hogs")
Acked-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260309-gpio-hog-fwnode-v2-1-4e61f3dbf06a@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index c512d735e85ff2374d34695a6a5229d5e12f24e8..b5610a847e726add0331aaa1066a31d971a7fb40 100644 (file)
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -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)