diff options
| -rw-r--r-- | Documentation/gpio.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt index f8528db967fa..e8be0abb346c 100644 --- a/Documentation/gpio.txt +++ b/Documentation/gpio.txt @@ -66,7 +66,9 @@ registers; another might implement it by delegating through abstractions used for several very different kinds of GPIO controller. That said, if the convention is supported on their platform, drivers should -use it when possible: +use it when possible. Platforms should declare GENERIC_GPIO support in +Kconfig (boolean true), which multi-platform drivers can depend on when +using the include file: #include <asm/gpio.h> |