1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ 3*4882a593Smuzhiyun #define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /** 6*4882a593Smuzhiyun * ffs - find first bit set 7*4882a593Smuzhiyun * @x: the word to search 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * This is defined the same way as 10*4882a593Smuzhiyun * the libc and compiler builtin ffs routines, therefore 11*4882a593Smuzhiyun * differs in spirit from the above ffz (man ffs). 12*4882a593Smuzhiyun */ ffs(int x)13*4882a593Smuzhiyunstatic __always_inline int ffs(int x) 14*4882a593Smuzhiyun { 15*4882a593Smuzhiyun return __builtin_ffs(x); 16*4882a593Smuzhiyun } 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #endif 19