From: Bartosz Golaszewski Date: Wed, 3 Dec 2025 09:23:09 +0000 (+0100) Subject: gpio: shared: ignore disabled nodes when traversing the device-tree X-Git-Tag: v6.19-rc1~17^2~4 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e7a40a2841483d7bf51b8d9a5e1f0633a5c7a26;p=thirdparty%2Fkernel%2Flinux.git gpio: shared: ignore disabled nodes when traversing the device-tree Don't consider disabled devices when traversing the device-tree looking for shared GPIOs. Even if they do share a phandle to a pin, they can never be instantiated and request it. Fixes: a060b8c511ab ("gpiolib: implement low-level, shared GPIO support") Link: https://lore.kernel.org/r/20251203092309.34737-1-bartosz.golaszewski@oss.qualcomm.com Signed-off-by: Bartosz Golaszewski --- diff --git a/drivers/gpio/gpiolib-shared.c b/drivers/gpio/gpiolib-shared.c index 8bdd107b1ad1..5d15675d61ea 100644 --- a/drivers/gpio/gpiolib-shared.c +++ b/drivers/gpio/gpiolib-shared.c @@ -77,6 +77,10 @@ gpio_shared_find_entry(struct fwnode_handle *controller_node, /* Handle all special nodes that we should ignore. */ static bool gpio_shared_of_node_ignore(struct device_node *node) { + /* Ignore disabled devices. */ + if (!of_device_is_available(node)) + return true; + /* * __symbols__ is a special, internal node and should not be considered * when scanning for shared GPIOs.