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| author | Robert P. J. Day <rpjday@mindspring.com> | 2007-01-30 06:06:00 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-02-07 14:03:19 +1100 |
| commit | 63c2f782e8f6aafbc11b14b2cb291b3dc9fc217d (patch) | |
| tree | cbcd1f138a886529ec62a21c5dd4b2c87581058d /arch/ppc/syslib | |
| parent | 7df2457db83bc922fcc8b462526b77f1ffe8c84b (diff) | |
| download | linux-3.10-63c2f782e8f6aafbc11b14b2cb291b3dc9fc217d.tar.gz linux-3.10-63c2f782e8f6aafbc11b14b2cb291b3dc9fc217d.tar.bz2 linux-3.10-63c2f782e8f6aafbc11b14b2cb291b3dc9fc217d.zip | |
[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>
Diffstat (limited to 'arch/ppc/syslib')
| -rw-r--r-- | arch/ppc/syslib/ppc85xx_rio.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/ppc/syslib/ppc85xx_rio.c b/arch/ppc/syslib/ppc85xx_rio.c index 05b0e941508..2b097800cdd 100644 --- a/arch/ppc/syslib/ppc85xx_rio.c +++ b/arch/ppc/syslib/ppc85xx_rio.c @@ -59,8 +59,6 @@ #define DBELL_TID(x) (*(u8 *)(x + DOORBELL_TID_OFFSET)) #define DBELL_INF(x) (*(u16 *)(x + DOORBELL_INFO_OFFSET)) -#define is_power_of_2(x) (((x) & ((x) - 1)) == 0) - struct rio_atmu_regs { u32 rowtar; u32 pad1; |