nt9856x/BSP/linux-kernel/include/asm-generic/bitops/builtin-__ffs.h
2023-03-28 15:07:53 +08:00

17 lines
379 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#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