Documentation/gpio.txt mentions GENERIC_GPIO

Documentation/gpio.txt should mention the Kconfig GENERIC_GPIO flag, for
platforms to declare when relevant.  This should help minimize goofs like
omitting it, or not depending on it when needed.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2007-05-10 22:22:17 -07:00 committed by Linus Torvalds
parent 7faaa5f0bf
commit 32993b793f
1 changed files with 3 additions and 1 deletions

View File

@ -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>