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authorDavid Brownell <david-b@pacbell.net>2007-05-11 01:22:17 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-11 11:29:32 -0400
commit32993b793fb07784fd1380004f5b34f31f9105d5 (patch)
tree8fc3f407480d8e18c67bf55b559ac74bd635481b /Documentation
parent7faaa5f0bf4db6ac4908038e2139adc46c165ff4 (diff)
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/gpio.txt4
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
66used for several very different kinds of GPIO controller. 66used for several very different kinds of GPIO controller.
67 67
68That said, if the convention is supported on their platform, drivers should 68That said, if the convention is supported on their platform, drivers should
69use it when possible: 69use it when possible. Platforms should declare GENERIC_GPIO support in
70Kconfig (boolean true), which multi-platform drivers can depend on when
71using the include file:
70 72
71 #include <asm/gpio.h> 73 #include <asm/gpio.h>
72 74