From 8759ef32d992fc6c0bcbe40fca7aa302190918a5 Mon Sep 17 00:00:00 2001
From: Oskar Schirmer <os@emlix.com>
Date: Thu, 11 Jun 2009 14:51:15 +0100
Subject: lib: isolate rational fractions helper function

Provide a helper function to determine optimum numerator
denominator value pairs taking into account restricted
register size. Useful especially with PLL and other clock
configurations.

Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 lib/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/Kconfig')

diff --git a/lib/Kconfig b/lib/Kconfig
index 8ade0a7a91e0..9960be04cbbe 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -10,6 +10,9 @@ menu "Library routines"
 config BITREVERSE
 	tristate
 
+config RATIONAL
+	boolean
+
 config GENERIC_FIND_FIRST_BIT
 	bool
 
-- 
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