diff options
Diffstat (limited to 'arch/mn10300/include/asm/spinlock.h')
| -rw-r--r-- | arch/mn10300/include/asm/spinlock.h | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/mn10300/include/asm/spinlock.h b/arch/mn10300/include/asm/spinlock.h index fe413b41df6c..879cd0df53ba 100644 --- a/arch/mn10300/include/asm/spinlock.h +++ b/arch/mn10300/include/asm/spinlock.h | |||
| @@ -84,6 +84,7 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, | |||
| 84 | : "d" (flags), "a"(&lock->slock), "i"(EPSW_IE | MN10300_CLI_LEVEL) | 84 | : "d" (flags), "a"(&lock->slock), "i"(EPSW_IE | MN10300_CLI_LEVEL) |
| 85 | : "memory", "cc"); | 85 | : "memory", "cc"); |
| 86 | } | 86 | } |
| 87 | #define arch_spin_lock_flags arch_spin_lock_flags | ||
| 87 | 88 | ||
| 88 | #ifdef __KERNEL__ | 89 | #ifdef __KERNEL__ |
| 89 | 90 | ||
| @@ -98,18 +99,6 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, | |||
| 98 | * read-locks. | 99 | * read-locks. |
| 99 | */ | 100 | */ |
| 100 | 101 | ||
| 101 | /** | ||
| 102 | * read_can_lock - would read_trylock() succeed? | ||
| 103 | * @lock: the rwlock in question. | ||
| 104 | */ | ||
| 105 | #define arch_read_can_lock(x) ((int)(x)->lock > 0) | ||
| 106 | |||
| 107 | /** | ||
| 108 | * write_can_lock - would write_trylock() succeed? | ||
| 109 | * @lock: the rwlock in question. | ||
| 110 | */ | ||
| 111 | #define arch_write_can_lock(x) ((x)->lock == RW_LOCK_BIAS) | ||
| 112 | |||
| 113 | /* | 102 | /* |
| 114 | * On mn10300, we implement read-write locks as a 32-bit counter | 103 | * On mn10300, we implement read-write locks as a 32-bit counter |
| 115 | * with the high bit (sign) being the "contended" bit. | 104 | * with the high bit (sign) being the "contended" bit. |
| @@ -183,9 +172,6 @@ static inline int arch_write_trylock(arch_rwlock_t *lock) | |||
| 183 | return 0; | 172 | return 0; |
| 184 | } | 173 | } |
| 185 | 174 | ||
| 186 | #define arch_read_lock_flags(lock, flags) arch_read_lock(lock) | ||
| 187 | #define arch_write_lock_flags(lock, flags) arch_write_lock(lock) | ||
| 188 | |||
| 189 | #define _raw_spin_relax(lock) cpu_relax() | 175 | #define _raw_spin_relax(lock) cpu_relax() |
| 190 | #define _raw_read_relax(lock) cpu_relax() | 176 | #define _raw_read_relax(lock) cpu_relax() |
| 191 | #define _raw_write_relax(lock) cpu_relax() | 177 | #define _raw_write_relax(lock) cpu_relax() |
