commit ef55d53caa055aedee13e77da82740987dd64f2d
author David Howells <dhowells@redhat.com> Fri Dec 08 02:37:53 2006 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> Fri Dec 08 08:28:51 2006 -0800
tree 243bbfca98e504401ea563d6c799ed23c12c08b8
parent 39d61db0edb34d60b83c5e0d62d0e906578cc707

[PATCH] LOG2: Provide ilog2() fallbacks for powerpc

Provide ilog2() fallbacks for powerpc for 32-bit numbers and 64-bit numbers on
ppc64.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/powerpc/Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 97c7a21..56c3c40 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -43,11 +43,11 @@
 
 config ARCH_HAS_ILOG2_U32
 	bool
-	default n
+	default y
 
 config ARCH_HAS_ILOG2_U64
 	bool
-	default n
+	default y if 64BIT
 
 config GENERIC_HWEIGHT
 	bool