diff options
Diffstat (limited to 'tools/include/linux/bitops.h')
| -rw-r--r-- | tools/include/linux/bitops.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h index fc446343ff41..969db1981868 100644 --- a/tools/include/linux/bitops.h +++ b/tools/include/linux/bitops.h @@ -2,7 +2,6 @@ #define _TOOLS_LINUX_BITOPS_H_ #include <asm/types.h> -#include <linux/kernel.h> #include <linux/compiler.h> #ifndef __WORDSIZE @@ -62,4 +61,14 @@ static inline unsigned fls_long(unsigned long l) return fls64(l); } +/** + * rol32 - rotate a 32-bit value left + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u32 rol32(__u32 word, unsigned int shift) +{ + return (word << shift) | (word >> ((-shift) & 31)); +} + #endif |
