diff options
Diffstat (limited to 'arch/blackfin/include/asm/bitops.h')
| -rw-r--r-- | arch/blackfin/include/asm/bitops.h | 39 |
1 files changed, 18 insertions, 21 deletions
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h index 605ba8e9b2e..b298b654a26 100644 --- a/arch/blackfin/include/asm/bitops.h +++ b/arch/blackfin/include/asm/bitops.h @@ -22,21 +22,18 @@ #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffs.h> +#include <asm-generic/bitops/const_hweight.h> #include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/ext2-non-atomic.h> + #include <asm-generic/bitops/ext2-atomic.h> -#include <asm-generic/bitops/minix.h> + +#include <asm/barrier.h> #ifndef CONFIG_SMP #include <linux/irqflags.h> - /* * clear_bit may not imply a memory barrier */ -#ifndef smp_mb__before_clear_bit -#define smp_mb__before_clear_bit() smp_mb() -#define smp_mb__after_clear_bit() smp_mb() -#endif #include <asm-generic/bitops/atomic.h> #include <asm-generic/bitops/non-atomic.h> #else @@ -100,44 +97,44 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) return __raw_bit_test_toggle_asm(a, nr & 0x1f); } -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - +#define test_bit __skip_test_bit #include <asm-generic/bitops/non-atomic.h> +#undef test_bit #endif /* CONFIG_SMP */ +/* Needs to be after test_bit and friends */ +#include <asm-generic/bitops/le.h> + /* * hweightN: returns the hamming weight (i.e. the number * of bits set) of a N-bit word */ -static inline unsigned int hweight32(unsigned int w) +static inline unsigned int __arch_hweight32(unsigned int w) { unsigned int res; - __asm__ ("%0.l = ONES %0;" + __asm__ ("%0.l = ONES %1;" "%0 = %0.l (Z);" : "=d" (res) : "d" (w)); return res; } -static inline unsigned int hweight64(__u64 w) +static inline unsigned int __arch_hweight64(__u64 w) { - return hweight32((unsigned int)(w >> 32)) + hweight32((unsigned int)w); + return __arch_hweight32((unsigned int)(w >> 32)) + + __arch_hweight32((unsigned int)w); } -static inline unsigned int hweight16(unsigned int w) +static inline unsigned int __arch_hweight16(unsigned int w) { - return hweight32(w & 0xffff); + return __arch_hweight32(w & 0xffff); } -static inline unsigned int hweight8(unsigned int w) +static inline unsigned int __arch_hweight8(unsigned int w) { - return hweight32(w & 0xff); + return __arch_hweight32(w & 0xff); } #endif /* _BLACKFIN_BITOPS_H */ |