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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-29 00:07:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-29 00:07:55 +0200 |
| commit | cb28a1bbdb4790378e7366d6c9ee1d2340b84f92 (patch) | |
| tree | 316436f77dac75335fd2c3ef5f109e71606c50d3 /include/asm-m68knommu/bitops.h | |
| parent | b6d4f7e3ef25beb8c658c97867d98883e69dc544 (diff) | |
| parent | f934fb19ef34730263e6afc01e8ec27a8a71470f (diff) | |
| download | kernel-crypto-cb28a1bbdb4790378e7366d6c9ee1d2340b84f92.tar.gz kernel-crypto-cb28a1bbdb4790378e7366d6c9ee1d2340b84f92.tar.xz kernel-crypto-cb28a1bbdb4790378e7366d6c9ee1d2340b84f92.zip | |
Merge branch 'linus' into core/generic-dma-coherent
Conflicts:
arch/x86/Kconfig
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-m68knommu/bitops.h')
| -rw-r--r-- | include/asm-m68knommu/bitops.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h index c142fbf2f37..6f3685eab44 100644 --- a/include/asm-m68knommu/bitops.h +++ b/include/asm-m68knommu/bitops.h @@ -14,8 +14,38 @@ #error only <linux/bitops.h> can be included directly #endif +#if defined (__mcfisaaplus__) || defined (__mcfisac__) +static inline int ffs(unsigned int val) +{ + if (!val) + return 0; + + asm volatile( + "bitrev %0\n\t" + "ff1 %0\n\t" + : "=d" (val) + : "0" (val) + ); + val++; + return val; +} + +static inline int __ffs(unsigned int val) +{ + asm volatile( + "bitrev %0\n\t" + "ff1 %0\n\t" + : "=d" (val) + : "0" (val) + ); + return val; +} + +#else #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/__ffs.h> +#endif + #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffz.h> |