diff options
Diffstat (limited to 'drivers/gpio/gpio-uclass.c')
| -rw-r--r-- | drivers/gpio/gpio-uclass.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index dbebf3a53e..c8be5a4d66 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -1171,6 +1171,13 @@ int gpio_request_by_line_name(struct udevice *dev, const char *line_name, { int ret; + if (!dev) { + uclass_foreach_dev_probe(UCLASS_GPIO, dev) + if (!gpio_request_by_line_name(dev, line_name, desc, flags)) + return 0; + return -ENOENT; + } + ret = dev_read_stringlist_search(dev, "gpio-line-names", line_name); if (ret < 0) return ret; |