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

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commit bbee90e750 upstream.

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

Cc: stable@vger.kernel.org
Fixes: 63636d956c ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2026-03-09 13:42:37 +01:00 • committed by Greg Kroah-Hartman
commit a37435986a
1 changed files with 8 additions and 1 deletions
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9
drivers/gpio/gpiolib-of.c
View file

@ -1210,7 +1210,14 @@ 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)