diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index e5fb60111151..c433a095907f 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -999,14 +999,17 @@ int gpiochip_add_hog(struct gpio_chip *gc, struct fwnode_handle *fwnode) if (ret < 0) return ret; - if (fwnode_property_present(fwnode, "input")) + if (fwnode_property_present(fwnode, "input")) { dflags |= GPIOD_IN; - else if (fwnode_property_present(fwnode, "output-low")) + } else if (fwnode_property_present(fwnode, "output-low")) { dflags |= GPIOD_OUT_LOW; - else if (fwnode_property_present(fwnode, "output-high")) + } else if (fwnode_property_present(fwnode, "output-high")) { dflags |= GPIOD_OUT_HIGH; - else - return -EINVAL; + } else { + gpiochip_warn(gc, "%pfwP: no hogging state specified, bailing out\n", + fwnode); + return 0; + } fwnode_property_read_string(fwnode, "line-name", &name);