David Venhoff
cfcea9ee67
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
17 lines
379 B
C
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
|