diff options
Diffstat (limited to 'sys/compat/linuxkpi/common/include/linux/bitops.h')
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/bitops.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/bitops.h b/sys/compat/linuxkpi/common/include/linux/bitops.h index 1415d5224084..bc776a0db9c4 100644 --- a/sys/compat/linuxkpi/common/include/linux/bitops.h +++ b/sys/compat/linuxkpi/common/include/linux/bitops.h @@ -62,10 +62,10 @@ #define hweight64(x) bitcount64(x) #define hweight_long(x) bitcountl(x) -#define HWEIGHT8(x) (bitcount8((uint8_t)(x)) + 1) -#define HWEIGHT16(x) (bitcount16(x) + 1) -#define HWEIGHT32(x) (bitcount32(x) + 1) -#define HWEIGHT64(x) (bitcount64(x) + 1) +#define HWEIGHT8(x) (bitcount8((uint8_t)(x))) +#define HWEIGHT16(x) (bitcount16(x)) +#define HWEIGHT32(x) (bitcount32(x)) +#define HWEIGHT64(x) (bitcount64(x)) static inline int __ffs(int mask) @@ -288,6 +288,15 @@ find_next_zero_bit(const unsigned long *addr, unsigned long size, #define test_bit(i, a) \ !!(READ_ONCE(((volatile const unsigned long *)(a))[BIT_WORD(i)]) & BIT_MASK(i)) +static inline void +__assign_bit(long bit, volatile unsigned long *addr, bool value) +{ + if (value) + __set_bit(bit, addr); + else + __clear_bit(bit, addr); +} + static inline int test_and_clear_bit(long bit, volatile unsigned long *var) { |