avr32: define __fls
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>
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@ -263,6 +263,11 @@ static inline int fls(unsigned long word)
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return 32 - result;
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}
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static inline int __fls(unsigned long word)
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{
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return fls(word) - 1;
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}
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unsigned long find_first_zero_bit(const unsigned long *addr,
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unsigned long size);
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unsigned long find_next_zero_bit(const unsigned long *addr,
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