diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3d5b85a7dcdf..59eaa23767d8 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1971,13 +1971,15 @@ struct gpio_desc *__must_check __gpiod_get_index(struct device *dev, dev_dbg(dev, "GPIO lookup for consumer %s\n", con_id); - /* Using device tree? */ - if (IS_ENABLED(CONFIG_OF) && dev && dev->of_node) { - dev_dbg(dev, "using device tree for GPIO lookup\n"); - desc = of_find_gpio(dev, con_id, idx, &lookupflags); - } else if (IS_ENABLED(CONFIG_ACPI) && dev && ACPI_HANDLE(dev)) { - dev_dbg(dev, "using ACPI for GPIO lookup\n"); - desc = acpi_find_gpio(dev, con_id, idx, &lookupflags); + if (dev) { + /* Using device tree? */ + if (IS_ENABLED(CONFIG_OF) && dev->of_node) { + dev_dbg(dev, "using device tree for GPIO lookup\n"); + desc = of_find_gpio(dev, con_id, idx, &lookupflags); + } else if (ACPI_COMPANION(dev)) { + dev_dbg(dev, "using ACPI for GPIO lookup\n"); + desc = acpi_find_gpio(dev, con_id, idx, &lookupflags); + } } /* |