diff options
Diffstat (limited to 'Documentation/gpio/consumer.txt')
| -rw-r--r-- | Documentation/gpio/consumer.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/gpio/consumer.txt b/Documentation/gpio/consumer.txt index bbc8b5888b80..75542b91b766 100644 --- a/Documentation/gpio/consumer.txt +++ b/Documentation/gpio/consumer.txt @@ -290,7 +290,7 @@ corresponding to a given GPIO using the following call: int gpiod_to_irq(const struct gpio_desc *desc) -It will return an IRQ number, or an negative errno code if the mapping can't be +It will return an IRQ number, or a negative errno code if the mapping can't be done (most likely because that particular GPIO cannot be used as IRQ). It is an unchecked error to use a GPIO that wasn't set up as an input using gpiod_direction_input(), or to use an IRQ number that didn't originally come |