1 files changed, 0 insertions, 212 deletions

diff --git a/include/asm-arm/atomic.h b/include/asm-arm/atomic.h
deleted file mode 100644
index 3b59f94b5a3d..000000000000
--- a/include/asm-arm/atomic.h
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- *  linux/include/asm-arm/atomic.h
- *
- *  Copyright (C) 1996 Russell King.
- *  Copyright (C) 2002 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __ASM_ARM_ATOMIC_H
-#define __ASM_ARM_ATOMIC_H
-
-#include <linux/compiler.h>
-#include <asm/system.h>
-
-typedef struct { volatile int counter; } atomic_t;
-
-#define ATOMIC_INIT(i)  { (i) }
-
-#ifdef __KERNEL__
-
-#define atomic_read(v)  ((v)->counter)
-
-#if __LINUX_ARM_ARCH__ >= 6
-
-/*
- * ARMv6 UP and SMP safe atomic ops.  We use load exclusive and
- * store exclusive to ensure that these are atomic.  We may loop
- * to ensure that the update happens.  Writing to 'v->counter'
- * without using the following operations WILL break the atomic
- * nature of these ops.
- */
-static inline void atomic_set(atomic_t *v, int i)
-{
-        unsigned long tmp;
-
-        __asm__ __volatile__("@ atomic_set\n"
-"1:     ldrex   %0, [%1]\n"
-"       strex   %0, %2, [%1]\n"
-"       teq     %0, #0\n"
-"       bne     1b"
-        : "=&r" (tmp)
-        : "r" (&v->counter), "r" (i)
-        : "cc");
-}
-
-static inline int atomic_add_return(int i, atomic_t *v)
-{
-        unsigned long tmp;
-        int result;
-
-        __asm__ __volatile__("@ atomic_add_return\n"
-"1:     ldrex   %0, [%2]\n"
-"       add     %0, %0, %3\n"
-"       strex   %1, %0, [%2]\n"
-"       teq     %1, #0\n"
-"       bne     1b"
-        : "=&r" (result), "=&r" (tmp)
-        : "r" (&v->counter), "Ir" (i)
-        : "cc");
-
-        return result;
-}
-
-static inline int atomic_sub_return(int i, atomic_t *v)
-{
-        unsigned long tmp;
-        int result;
-
-        __asm__ __volatile__("@ atomic_sub_return\n"
-"1:     ldrex   %0, [%2]\n"
-"       sub     %0, %0, %3\n"
-"       strex   %1, %0, [%2]\n"
-"       teq     %1, #0\n"
-"       bne     1b"
-        : "=&r" (result), "=&r" (tmp)
-        : "r" (&v->counter), "Ir" (i)
-        : "cc");
-
-        return result;
-}
-
-static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new)
-{
-        unsigned long oldval, res;
-
-        do {
-                __asm__ __volatile__("@ atomic_cmpxchg\n"
-                "ldrex  %1, [%2]\n"
-                "mov    %0, #0\n"
-                "teq    %1, %3\n"
-                "strexeq %0, %4, [%2]\n"
-                    : "=&r" (res), "=&r" (oldval)
-                    : "r" (&ptr->counter), "Ir" (old), "r" (new)
-                    : "cc");
-        } while (res);
-
-        return oldval;
-}
-
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
-{
-        unsigned long tmp, tmp2;
-
-        __asm__ __volatile__("@ atomic_clear_mask\n"
-"1:     ldrex   %0, [%2]\n"
-"       bic     %0, %0, %3\n"
-"       strex   %1, %0, [%2]\n"
-"       teq     %1, #0\n"
-"       bne     1b"
-        : "=&r" (tmp), "=&r" (tmp2)
-        : "r" (addr), "Ir" (mask)
-        : "cc");
-}
-
-#else /* ARM_ARCH_6 */
-
-#include <asm/system.h>
-
-#ifdef CONFIG_SMP
-#error SMP not supported on pre-ARMv6 CPUs
-#endif
-
-#define atomic_set(v,i) (((v)->counter) = (i))
-
-static inline int atomic_add_return(int i, atomic_t *v)
-{
-        unsigned long flags;
-        int val;
-
-        raw_local_irq_save(flags);
-        val = v->counter;
-        v->counter = val += i;
-        raw_local_irq_restore(flags);
-
-        return val;
-}
-
-static inline int atomic_sub_return(int i, atomic_t *v)
-{
-        unsigned long flags;
-        int val;
-
-        raw_local_irq_save(flags);
-        val = v->counter;
-        v->counter = val -= i;
-        raw_local_irq_restore(flags);
-
-        return val;
-}
-
-static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
-{
-        int ret;
-        unsigned long flags;
-
-        raw_local_irq_save(flags);
-        ret = v->counter;
-        if (likely(ret == old))
-                v->counter = new;
-        raw_local_irq_restore(flags);
-
-        return ret;
-}
-
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
-{
-        unsigned long flags;
-
-        raw_local_irq_save(flags);
-        *addr &= ~mask;
-        raw_local_irq_restore(flags);
-}
-
-#endif /* __LINUX_ARM_ARCH__ */
-
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-
-static inline int atomic_add_unless(atomic_t *v, int a, int u)
-{
-        int c, old;
-
-        c = atomic_read(v);
-        while (c != u && (old = atomic_cmpxchg((v), c, c + a)) != c)
-                c = old;
-        return c != u;
-}
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-
-#define atomic_add(i, v)        (void) atomic_add_return(i, v)
-#define atomic_inc(v)           (void) atomic_add_return(1, v)
-#define atomic_sub(i, v)        (void) atomic_sub_return(i, v)
-#define atomic_dec(v)           (void) atomic_sub_return(1, v)
-
-#define atomic_inc_and_test(v)  (atomic_add_return(1, v) == 0)
-#define atomic_dec_and_test(v)  (atomic_sub_return(1, v) == 0)
-#define atomic_inc_return(v)    (atomic_add_return(1, v))
-#define atomic_dec_return(v)    (atomic_sub_return(1, v))
-#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
-
-#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)
-
-/* Atomic operations are already serializing on ARM */
-#define smp_mb__before_atomic_dec()     barrier()
-#define smp_mb__after_atomic_dec()      barrier()
-#define smp_mb__before_atomic_inc()     barrier()
-#define smp_mb__after_atomic_inc()      barrier()
-
-#include <asm-generic/atomic.h>
-#endif
-#endif