diff options
| author | David S. Miller <davem@davemloft.net> | 2021-03-25 15:31:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-25 15:31:22 -0700 |
| commit | efd13b71a3fa31413f8d15342e01d44b60b0a432 (patch) | |
| tree | 2ed1b299e25538c5a60485a1047507b49d3e0ecf /drivers/gpio | |
| parent | 84c7f6c33f42a12eb036ebf0f0e3670799304120 (diff) | |
| parent | 002322402dafd846c424ffa9240a937f49b48c42 (diff) | |
| download | linux-efd13b71a3fa31413f8d15342e01d44b60b0a432.tar.gz linux-efd13b71a3fa31413f8d15342e01d44b60b0a432.tar.bz2 linux-efd13b71a3fa31413f8d15342e01d44b60b0a432.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 10 |
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; |