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authorIngo Molnar <mingo@kernel.org>2021-03-21 22:16:08 +0100
committerIngo Molnar <mingo@kernel.org>2021-03-21 22:16:08 +0100
commitca8778c45e401067cefe2abbfb8b547c30d45908 (patch)
treec10beaf40adb2bbc6a8933f87ff9da7a5366bf42 /drivers/gpio
parent21d6a7dcbfba5e7b31f4e9d555a9be362578bfc3 (diff)
parent2c41fab1c60b02626c8153a1806a7a1e5d62aaf1 (diff)
Merge branch 'linus' into x86/cleanups, to resolve conflict
Conflicts: arch/x86/kernel/kprobes/ftrace.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpiolib.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 7ec0822c0505..6367646dce83 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -571,6 +571,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
struct lock_class_key *lock_key,
struct lock_class_key *request_key)
{
+ struct fwnode_handle *fwnode = gc->parent ? dev_fwnode(gc->parent) : NULL;
unsigned long flags;
int ret = 0;
unsigned i;
@@ -594,6 +595,12 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
of_gpio_dev_init(gc, gdev);
+ /*
+ * Assign fwnode depending on the result of the previous calls,
+ * if none of them succeed, assign it to the parent's one.
+ */
+ gdev->dev.fwnode = dev_fwnode(&gdev->dev) ?: fwnode;
+
gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);
if (gdev->id < 0) {
ret = gdev->id;
@@ -4256,7 +4263,8 @@ static int __init gpiolib_dev_init(void)
return ret;
}
- if (driver_register(&gpio_stub_drv) < 0) {
+ ret = driver_register(&gpio_stub_drv);
+ if (ret < 0) {
pr_err("gpiolib: could not register GPIO stub driver\n");
bus_unregister(&gpio_bus_type);
return ret;