summaryrefslogtreecommitdiffstats
path: root/include/asm-generic/bitops/builtin-__ffs.h
blob: 90041e3a41f04a92175cefd8b66f0ef0df9c38ef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
#define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_

/**
 * __ffs - find first bit in word.
 * @word: The word to search
 *
 * Undefined if no bit exists, so code should check against 0 first.
 */
static __always_inline unsigned long __ffs(unsigned long word)
{
	return __builtin_ctzl(word);
}

#endif