metag: Remove arch/metag/

[sfrench/cifs-2.6.git] / arch / metag / include / asm / cmpxchg.h

diff --git a/arch/metag/include/asm/cmpxchg.h b/arch/metag/include/asm/cmpxchg.h
deleted file mode 100644 (file)
index 68c4ab1..0000000
--- a/arch/metag/include/asm/cmpxchg.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_METAG_CMPXCHG_H
-#define __ASM_METAG_CMPXCHG_H
-
-#include <asm/barrier.h>
-
-#if defined(CONFIG_METAG_ATOMICITY_IRQSOFF)
-#include <asm/cmpxchg_irq.h>
-#elif defined(CONFIG_METAG_ATOMICITY_LOCK1)
-#include <asm/cmpxchg_lock1.h>
-#elif defined(CONFIG_METAG_ATOMICITY_LNKGET)
-#include <asm/cmpxchg_lnkget.h>
-#endif
-
-extern void __xchg_called_with_bad_pointer(void);
-
-#define __xchg(ptr, x, size)                           \
-({                                                     \
-       unsigned long __xchg__res;                      \
-       volatile void *__xchg_ptr = (ptr);              \
-       switch (size) {                                 \
-       case 4:                                         \
-               __xchg__res = xchg_u32(__xchg_ptr, x);  \
-               break;                                  \
-       case 1:                                         \
-               __xchg__res = xchg_u8(__xchg_ptr, x);   \
-               break;                                  \
-       default:                                        \
-               __xchg_called_with_bad_pointer();       \
-               __xchg__res = x;                        \
-               break;                                  \
-       }                                               \
-                                                       \
-       __xchg__res;                                    \
-})
-
-#define xchg(ptr, x)   \
-       ((__typeof__(*(ptr)))__xchg((ptr), (unsigned long)(x), sizeof(*(ptr))))
-
-/* This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid cmpxchg(). */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
-                                     unsigned long new, int size)
-{
-       switch (size) {
-       case 4:
-               return __cmpxchg_u32(ptr, old, new);
-       }
-       __cmpxchg_called_with_bad_pointer();
-       return old;
-}
-
-#define cmpxchg(ptr, o, n)                                             \
-       ({                                                              \
-               __typeof__(*(ptr)) _o_ = (o);                           \
-               __typeof__(*(ptr)) _n_ = (n);                           \
-               (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
-                                              (unsigned long)_n_,      \
-                                              sizeof(*(ptr)));         \
-       })
-
-#endif /* __ASM_METAG_CMPXCHG_H */