16 lines
		
	
	
	
		
			340 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			16 lines
		
	
	
	
		
			340 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #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
 |