diff options
author | Adrian Bunk <bunk@stusta.de> | 2007-07-31 00:38:19 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-31 15:39:39 -0700 |
commit | 99eb8a550dbccc0e1f6c7e866fe421810e0585f6 (patch) | |
tree | 130c6e3338a0655ba74355eba83afab9261e1ed0 /include/asm-arm26/atomic.h | |
parent | 0d0ed42e5ca2e22465c591341839c18025748fe8 (diff) |
Remove the arm26 port
The arm26 port has been in a state where it was far from even compiling
for quite some time.
Ian Molton agreed with the removal.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-arm26/atomic.h')
-rw-r--r-- | include/asm-arm26/atomic.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/include/asm-arm26/atomic.h b/include/asm-arm26/atomic.h deleted file mode 100644 index d6dd42374cf..00000000000 --- a/include/asm-arm26/atomic.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * linux/include/asm-arm26/atomic.h - * - * Copyright (c) 1996 Russell King. - * Modified for arm26 by Ian Molton - * - * 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. - * - * Changelog: - * 25-11-2004 IM Updated for 2.6.9 - * 27-06-1996 RMK Created - * 13-04-1997 RMK Made functions atomic! - * 07-12-1997 RMK Upgraded for v2.1. - * 26-08-1998 PJB Added #ifdef __KERNEL__ - * - * FIXME - its probably worth seeing what these compile into... - */ -#ifndef __ASM_ARM_ATOMIC_H -#define __ASM_ARM_ATOMIC_H - -#ifdef CONFIG_SMP -#error SMP is NOT supported -#endif - -typedef struct { volatile int counter; } atomic_t; - -#define ATOMIC_INIT(i) { (i) } - -#ifdef __KERNEL__ -#include <asm/system.h> - -#define atomic_read(v) ((v)->counter) -#define atomic_set(v,i) (((v)->counter) = (i)) - -static inline int atomic_add_return(int i, atomic_t *v) -{ - unsigned long flags; - int val; - - local_irq_save(flags); - val = v->counter; - v->counter = val += i; - local_irq_restore(flags); - - return val; -} - -static inline int atomic_sub_return(int i, atomic_t *v) -{ - unsigned long flags; - int val; - - local_irq_save(flags); - val = v->counter; - v->counter = val -= i; - local_irq_restore(flags); - - return val; -} - -static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (likely(ret == old)) - v->counter = new; - local_irq_restore(flags); - - return ret; -} - -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -static inline int atomic_add_unless(atomic_t *v, int a, int u) -{ - int ret; - unsigned long flags; - - local_irq_save(flags); - ret = v->counter; - if (ret != u) - v->counter += a; - local_irq_restore(flags); - - return ret != u; -} -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) -{ - unsigned long flags; - - local_irq_save(flags); - *addr &= ~mask; - local_irq_restore(flags); -} - -#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_add_negative(i,v) (atomic_add_return(i, v) < 0) - -/* Atomic operations are already serializing on ARM26 */ -#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 |