[POWERPC] Add "is_power_of_2" checking to log2.h.
authorRobert P. J. Day <rpjday@mindspring.com>
Tue, 30 Jan 2007 11:06:00 +0000 (06:06 -0500)
committerPaul Mackerras <paulus@samba.org>
Wed, 7 Feb 2007 03:03:19 +0000 (14:03 +1100)
commit63c2f782e8f6aafbc11b14b2cb291b3dc9fc217d
treecbcd1f138a886529ec62a21c5dd4b2c87581058d
parent7df2457db83bc922fcc8b462526b77f1ffe8c84b
[POWERPC] Add "is_power_of_2" checking to log2.h.

Add the inline function "is_power_of_2()" to log2.h, where the value
zero is *not* considered to be a power of two.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/mm/pgtable_32.c
arch/ppc/mm/pgtable.c
arch/ppc/syslib/ppc85xx_rio.c
drivers/net/gianfar_ethtool.c
include/linux/log2.h