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Diffstat (limited to 'arch/frv/include/asm/atomic.h')
-rw-r--r--arch/frv/include/asm/atomic.h57
1 files changed, 1 insertions, 56 deletions
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index 0d8a7d6..b86329d 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -16,7 +16,7 @@
#include <linux/types.h>
#include <asm/spr-regs.h>
-#include <asm/system.h>
+#include <asm/cmpxchg.h>
#ifdef CONFIG_SMP
#error not SMP safe
@@ -181,61 +181,6 @@ static inline void atomic64_dec(atomic64_t *v)
#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
#define atomic64_inc_and_test(v) (atomic64_inc_return((v)) == 0)
-/*****************************************************************************/
-/*
- * exchange value with memory
- */
-extern uint64_t __xchg_64(uint64_t i, volatile void *v);
-
-#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
-
-#define xchg(ptr, x) \
-({ \
- __typeof__(ptr) __xg_ptr = (ptr); \
- __typeof__(*(ptr)) __xg_orig; \
- \
- switch (sizeof(__xg_orig)) { \
- case 4: \
- asm volatile( \
- "swap%I0 %M0,%1" \
- : "+m"(*__xg_ptr), "=r"(__xg_orig) \
- : "1"(x) \
- : "memory" \
- ); \
- break; \
- \
- default: \
- __xg_orig = (__typeof__(__xg_orig))0; \
- asm volatile("break"); \
- break; \
- } \
- \
- __xg_orig; \
-})
-
-#else
-
-extern uint32_t __xchg_32(uint32_t i, volatile void *v);
-
-#define xchg(ptr, x) \
-({ \
- __typeof__(ptr) __xg_ptr = (ptr); \
- __typeof__(*(ptr)) __xg_orig; \
- \
- switch (sizeof(__xg_orig)) { \
- case 4: __xg_orig = (__typeof__(*(ptr))) __xchg_32((uint32_t) x, __xg_ptr); break; \
- default: \
- __xg_orig = (__typeof__(__xg_orig))0; \
- asm volatile("break"); \
- break; \
- } \
- __xg_orig; \
-})
-
-#endif
-
-#define tas(ptr) (xchg((ptr), 1))
-
#define atomic_cmpxchg(v, old, new) (cmpxchg(&(v)->counter, old, new))
#define atomic_xchg(v, new) (xchg(&(v)->counter, new))
#define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter))