| Robin Getz | 96f1050 | 2009-09-24 14:11:24 +0000 | [diff] [blame] | 1 | /* |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 2 | * Copyright 2004-2011 Analog Devices Inc. |
| Mike Frysinger | 9695645 | 2011-06-17 17:54:40 -0400 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the GPL-2 or later. |
| 5 | */ |
| Robin Getz | 96f1050 | 2009-09-24 14:11:24 +0000 | [diff] [blame] | 6 | |
| Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 7 | #ifndef __ARCH_BLACKFIN_ATOMIC__ |
| 8 | #define __ARCH_BLACKFIN_ATOMIC__ |
| 9 | |
| David Howells | 3bed8d6 | 2012-03-12 23:36:56 +0000 | [diff] [blame^] | 10 | #include <asm/cmpxchg.h> |
| 11 | |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 12 | #ifdef CONFIG_SMP |
| Mike Frysinger | 3d15063 | 2009-06-13 11:21:51 -0400 | [diff] [blame] | 13 | |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 14 | #include <linux/linkage.h> |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 15 | |
| 16 | asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr); |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 17 | asmlinkage int __raw_atomic_update_asm(volatile int *ptr, int value); |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 18 | asmlinkage int __raw_atomic_clear_asm(volatile int *ptr, int value); |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 19 | asmlinkage int __raw_atomic_set_asm(volatile int *ptr, int value); |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 20 | asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value); |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 21 | asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value); |
| 22 | |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 23 | #define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter) |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 24 | |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 25 | #define atomic_add_return(i, v) __raw_atomic_update_asm(&(v)->counter, i) |
| 26 | #define atomic_sub_return(i, v) __raw_atomic_update_asm(&(v)->counter, -(i)) |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 27 | |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 28 | #define atomic_clear_mask(m, v) __raw_atomic_clear_asm(&(v)->counter, m) |
| 29 | #define atomic_set_mask(m, v) __raw_atomic_set_asm(&(v)->counter, m) |
| Bryan Wu | 1394f03 | 2007-05-06 14:50:22 -0700 | [diff] [blame] | 30 | |
| Mike Frysinger | 3d15063 | 2009-06-13 11:21:51 -0400 | [diff] [blame] | 31 | #endif |
| 32 | |
| Mike Frysinger | ae41f32 | 2011-06-17 16:20:36 -0400 | [diff] [blame] | 33 | #include <asm-generic/atomic.h> |
| 34 | |
| Mike Frysinger | 3d15063 | 2009-06-13 11:21:51 -0400 | [diff] [blame] | 35 | #endif |