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m68k: define __fls

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Like fls, but can't be handed 0 and returns the bit number.

(I broke this arch in linux-next by using __fls in generic code).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2009-01-01 10:12:18 +10:30
parent ccec25ff69
commit 434ae514c2
1 changed files with 5 additions and 0 deletions

5
include/asm-m68k/bitops.h
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@ -315,6 +315,11 @@ static inline int fls(int x)
return 32 - cnt; return 32 - cnt;
} }
static inline int __fls(int x)
{
return fls(x) - 1;
}
#include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/hweight.h>