diff options
Diffstat (limited to 'include/asm-cris/arch-v32/atomic.h')
-rw-r--r-- | include/asm-cris/arch-v32/atomic.h | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/include/asm-cris/arch-v32/atomic.h b/include/asm-cris/arch-v32/atomic.h deleted file mode 100644 index 852ceff8013f..000000000000 --- a/include/asm-cris/arch-v32/atomic.h +++ /dev/null | |||
@@ -1,36 +0,0 @@ | |||
1 | #ifndef __ASM_CRIS_ARCH_ATOMIC__ | ||
2 | #define __ASM_CRIS_ARCH_ATOMIC__ | ||
3 | |||
4 | #include <linux/spinlock_types.h> | ||
5 | |||
6 | extern void cris_spin_unlock(void *l, int val); | ||
7 | extern void cris_spin_lock(void *l); | ||
8 | extern int cris_spin_trylock(void* l); | ||
9 | |||
10 | #ifndef CONFIG_SMP | ||
11 | #define cris_atomic_save(addr, flags) local_irq_save(flags); | ||
12 | #define cris_atomic_restore(addr, flags) local_irq_restore(flags); | ||
13 | #else | ||
14 | |||
15 | extern spinlock_t cris_atomic_locks[]; | ||
16 | #define LOCK_COUNT 128 | ||
17 | #define HASH_ADDR(a) (((int)a) & 127) | ||
18 | |||
19 | #define cris_atomic_save(addr, flags) \ | ||
20 | local_irq_save(flags); \ | ||
21 | cris_spin_lock((void *)&cris_atomic_locks[HASH_ADDR(addr)].raw_lock.slock); | ||
22 | |||
23 | #define cris_atomic_restore(addr, flags) \ | ||
24 | { \ | ||
25 | spinlock_t *lock = (void*)&cris_atomic_locks[HASH_ADDR(addr)]; \ | ||
26 | __asm__ volatile ("move.d %1,%0" \ | ||
27 | : "=m" (lock->raw_lock.slock) \ | ||
28 | : "r" (1) \ | ||
29 | : "memory"); \ | ||
30 | local_irq_restore(flags); \ | ||
31 | } | ||
32 | |||
33 | #endif | ||
34 | |||
35 | #endif | ||
36 | |||