From: Thomas Bogendoerfer Date: Sat, 3 May 2008 22:25:02 +0000 (+0200) Subject: [MIPS] Fix __fls for non-MIPS32/MIPS64 cpus X-Git-Tag: v2.6.26-rc3~131^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fcd84f2fca49166dab2dba259eca6e633585763f;p=platform%2Fkernel%2Flinux-3.10.git [MIPS] Fix __fls for non-MIPS32/MIPS64 cpus Only MIPS32 and MIPS64 CPUs implement clz/dclz. Therefore don't export __ilog2() for non MIPS32/MIPS64 cpus and use generic __fls bitop code for these cpus. Signed-off-by: Thomas Bogendoerfer Signed-off-by: Ralf Baechle --- diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h index c2bd126..5e1f590 100644 --- a/include/asm-mips/bitops.h +++ b/include/asm-mips/bitops.h @@ -558,6 +558,8 @@ static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long * __clear_bit(nr, addr); } +#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) + /* * Return the bit position (0..63) of the most significant 1 bit in a word * Returns -1 if no 1 bit exists @@ -596,8 +598,6 @@ static inline unsigned long __fls(unsigned long x) return __ilog2(x); } -#if defined(CONFIG_CPU_MIPS32) || defined(CONFIG_CPU_MIPS64) - /* * __ffs - find first bit in word. * @word: The word to search @@ -654,6 +654,7 @@ static inline int ffs(int word) #else #include +#include #include #include #include