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authorTzung-Bi Shih <tzungbi@kernel.org>2026-02-23 14:17:21 +0800
committerBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>2026-02-27 10:05:20 +0100
commitcc11f4ef666fbca02c8a2f11d0184d57e6b75579 (patch)
treefc3db2c1a061fcdb5cded5e52e0ba2cc4729621d
parentb08b3f16bbf3330d7c764d019564ebff0b68e390 (diff)
gpio: Access `gpio_bus_type` in gpiochip_setup_dev()
To make the intent clear, access `gpio_bus_type` only when it's ready in gpiochip_setup_dev(). Reviewed-by: Linus Walleij <linusw@kernel.org> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://patch.msgid.link/20260223061726.82161-2-tzungbi@kernel.org Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
-rw-r--r--drivers/gpio/gpiolib.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 6a94ecc0ae12..f558211ad84b 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -902,6 +902,8 @@ static int gpiochip_setup_dev(struct gpio_device *gdev)
struct fwnode_handle *fwnode = dev_fwnode(&gdev->dev);
int ret;
+ gdev->dev.bus = &gpio_bus_type;
+
/*
* If fwnode doesn't belong to another device, it's safe to clear its
* initialized flag.
@@ -1083,7 +1085,6 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
* then make sure they get free():ed there.
*/
gdev->dev.type = &gpio_dev_type;
- gdev->dev.bus = &gpio_bus_type;
gdev->dev.parent = gc->parent;
device_set_node(&gdev->dev, gpiochip_choose_fwnode(gc));
@@ -1221,8 +1222,8 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
* we get a device node entry in sysfs under
* /sys/bus/gpio/devices/gpiochipN/dev that can be used for
* coldplug of device nodes and other udev business.
- * We can do this only if gpiolib has been initialized.
- * Otherwise, defer until later.
+ * We can do this only if gpiolib has been initialized
+ * (i.e., `gpio_bus_type` is ready). Otherwise, defer until later.
*/
if (gpiolib_initialized) {
ret = gpiochip_setup_dev(gdev);