lib-average: Make config option selectable

Make CONFIG_AVERAGE selectable for out-of-tree users
such as compat-wireless.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/lib/Kconfig b/lib/Kconfig
index 0ee67e0..c70f2a4 100644 (file)
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -217,6 +217,13 @@ config LRU_CACHE
        tristate
 
 config AVERAGE
-       bool
+       bool "Averaging functions"
+       help
+         This option is provided for the case where no in-kernel-tree
+         modules require averaging functions, but a module built outside
+         the kernel tree does. Such modules that use library averaging
+         functions require Y here.
+
+         If unsure, say N.
 
 endmenu