diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> | 2026-03-09 13:42:37 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> | 2026-03-16 09:51:05 +0100 |
| commit | bbee90e750262bfb406d66dc65c46d616d2b6673 (patch) | |
| tree | 0394628c061cb8d6c46f8108d61d720e900e670b | |
| parent | bf017304fce10933f18fafe140bf749fb9672058 (diff) | |
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>
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index c512d735e85f..b5610a847e72 100644 --- 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) |