diff options
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index cd4fecbb41f2..113c5d90f2df 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -742,6 +742,12 @@ EXPORT_SYMBOL_GPL(gpiochip_query_valid_mask); bool gpiochip_line_is_valid(const struct gpio_chip *gc, unsigned int offset) { + /* + * hog pins are requested before registering GPIO chip + */ + if (!gc->gpiodev) + return true; + /* No mask means all valid */ if (likely(!gc->gpiodev->valid_mask)) return true; |