Release 4.17 include/asm-generic/bitops/builtin-__ffs.h

/* 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);
}

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#endif
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Directory: include/asm-generic/bitops

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