diff options
| author | Rabin Vincent <rabin@rab.in> | 2015-02-19 11:54:35 -0500 |
|---|---|---|
| committer | Jesper Nilsson <jespern@axis.com> | 2015-03-25 05:57:03 -0400 |
| commit | e7db8a3c96970d847da5611e78b6bde998f13da8 (patch) | |
| tree | 9c4543653b8c197427f55a5fde0b8fe83b0175f6 | |
| parent | f64751118b07579c7ebb7935b6fd8cc8e2c3291a (diff) | |
CRIS: use generic atomic.h
CRIS can use asm-generic's atomic.h.
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jespern@axis.com>
| -rw-r--r-- | arch/cris/include/arch-v10/arch/atomic.h | 7 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/arch/atomic.h | 8 | ||||
| -rw-r--r-- | arch/cris/include/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/cris/include/asm/atomic.h | 149 |
4 files changed, 1 insertions, 165 deletions
diff --git a/arch/cris/include/arch-v10/arch/atomic.h b/arch/cris/include/arch-v10/arch/atomic.h deleted file mode 100644 index 6ef5e7d09024..000000000000 --- a/arch/cris/include/arch-v10/arch/atomic.h +++ /dev/null | |||
| @@ -1,7 +0,0 @@ | |||
| 1 | #ifndef __ASM_CRIS_ARCH_ATOMIC__ | ||
| 2 | #define __ASM_CRIS_ARCH_ATOMIC__ | ||
| 3 | |||
| 4 | #define cris_atomic_save(addr, flags) local_irq_save(flags); | ||
| 5 | #define cris_atomic_restore(addr, flags) local_irq_restore(flags); | ||
| 6 | |||
| 7 | #endif | ||
diff --git a/arch/cris/include/arch-v32/arch/atomic.h b/arch/cris/include/arch-v32/arch/atomic.h deleted file mode 100644 index 9c7d105b894b..000000000000 --- a/arch/cris/include/arch-v32/arch/atomic.h +++ /dev/null | |||
| @@ -1,8 +0,0 @@ | |||
| 1 | #ifndef __ASM_CRIS_ARCH_ATOMIC__ | ||
| 2 | #define __ASM_CRIS_ARCH_ATOMIC__ | ||
| 3 | |||
| 4 | #define cris_atomic_save(addr, flags) local_irq_save(flags); | ||
| 5 | #define cris_atomic_restore(addr, flags) local_irq_restore(flags); | ||
| 6 | |||
| 7 | #endif | ||
| 8 | |||
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index 889f2de050a3..2f2787e15b64 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | 1 | generic-y += atomic.h | |
| 2 | generic-y += barrier.h | 2 | generic-y += barrier.h |
| 3 | generic-y += clkdev.h | 3 | generic-y += clkdev.h |
| 4 | generic-y += cputime.h | 4 | generic-y += cputime.h |
diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h deleted file mode 100644 index 279766a70664..000000000000 --- a/arch/cris/include/asm/atomic.h +++ /dev/null | |||
| @@ -1,149 +0,0 @@ | |||
| 1 | /* $Id: atomic.h,v 1.3 2001/07/25 16:15:19 bjornw Exp $ */ | ||
| 2 | |||
| 3 | #ifndef __ASM_CRIS_ATOMIC__ | ||
| 4 | #define __ASM_CRIS_ATOMIC__ | ||
| 5 | |||
| 6 | #include <linux/compiler.h> | ||
| 7 | #include <linux/types.h> | ||
| 8 | #include <asm/cmpxchg.h> | ||
| 9 | #include <arch/atomic.h> | ||
| 10 | #include <arch/system.h> | ||
| 11 | #include <asm/barrier.h> | ||
| 12 | |||
| 13 | /* | ||
| 14 | * Atomic operations that C can't guarantee us. Useful for | ||
| 15 | * resource counting etc.. | ||
| 16 | */ | ||
| 17 | |||
| 18 | #define ATOMIC_INIT(i) { (i) } | ||
| 19 | |||
| 20 | #define atomic_read(v) ACCESS_ONCE((v)->counter) | ||
| 21 | #define atomic_set(v,i) (((v)->counter) = (i)) | ||
| 22 | |||
| 23 | /* These should be written in asm but we do it in C for now. */ | ||
| 24 | |||
| 25 | #define ATOMIC_OP(op, c_op) \ | ||
| 26 | static inline void atomic_##op(int i, volatile atomic_t *v) \ | ||
| 27 | { \ | ||
| 28 | unsigned long flags; \ | ||
| 29 | cris_atomic_save(v, flags); \ | ||
| 30 | v->counter c_op i; \ | ||
| 31 | cris_atomic_restore(v, flags); \ | ||
| 32 | } \ | ||
| 33 | |||
| 34 | #define ATOMIC_OP_RETURN(op, c_op) \ | ||
| 35 | static inline int atomic_##op##_return(int i, volatile atomic_t *v) \ | ||
| 36 | { \ | ||
| 37 | unsigned long flags; \ | ||
| 38 | int retval; \ | ||
| 39 | cris_atomic_save(v, flags); \ | ||
| 40 | retval = (v->counter c_op i); \ | ||
| 41 | cris_atomic_restore(v, flags); \ | ||
| 42 | return retval; \ | ||
| 43 | } | ||
| 44 | |||
| 45 | #define ATOMIC_OPS(op, c_op) ATOMIC_OP(op, c_op) ATOMIC_OP_RETURN(op, c_op) | ||
| 46 | |||
| 47 | ATOMIC_OPS(add, +=) | ||
| 48 | ATOMIC_OPS(sub, -=) | ||
| 49 | |||
| 50 | #undef ATOMIC_OPS | ||
| 51 | #undef ATOMIC_OP_RETURN | ||
| 52 | #undef ATOMIC_OP | ||
| 53 | |||
| 54 | #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) | ||
| 55 | |||
| 56 | static inline int atomic_sub_and_test(int i, volatile atomic_t *v) | ||
| 57 | { | ||
| 58 | int retval; | ||
| 59 | unsigned long flags; | ||
| 60 | cris_atomic_save(v, flags); | ||
| 61 | retval = (v->counter -= i) == 0; | ||
| 62 | cris_atomic_restore(v, flags); | ||
| 63 | return retval; | ||
| 64 | } | ||
| 65 | |||
| 66 | static inline void atomic_inc(volatile atomic_t *v) | ||
| 67 | { | ||
| 68 | unsigned long flags; | ||
| 69 | cris_atomic_save(v, flags); | ||
| 70 | (v->counter)++; | ||
| 71 | cris_atomic_restore(v, flags); | ||
| 72 | } | ||
| 73 | |||
| 74 | static inline void atomic_dec(volatile atomic_t *v) | ||
| 75 | { | ||
| 76 | unsigned long flags; | ||
| 77 | cris_atomic_save(v, flags); | ||
| 78 | (v->counter)--; | ||
| 79 | cris_atomic_restore(v, flags); | ||
| 80 | } | ||
| 81 | |||
| 82 | static inline int atomic_inc_return(volatile atomic_t *v) | ||
| 83 | { | ||
| 84 | unsigned long flags; | ||
| 85 | int retval; | ||
| 86 | cris_atomic_save(v, flags); | ||
| 87 | retval = ++(v->counter); | ||
| 88 | cris_atomic_restore(v, flags); | ||
| 89 | return retval; | ||
| 90 | } | ||
| 91 | |||
| 92 | static inline int atomic_dec_return(volatile atomic_t *v) | ||
| 93 | { | ||
| 94 | unsigned long flags; | ||
| 95 | int retval; | ||
| 96 | cris_atomic_save(v, flags); | ||
| 97 | retval = --(v->counter); | ||
| 98 | cris_atomic_restore(v, flags); | ||
| 99 | return retval; | ||
| 100 | } | ||
| 101 | static inline int atomic_dec_and_test(volatile atomic_t *v) | ||
| 102 | { | ||
| 103 | int retval; | ||
| 104 | unsigned long flags; | ||
| 105 | cris_atomic_save(v, flags); | ||
| 106 | retval = --(v->counter) == 0; | ||
| 107 | cris_atomic_restore(v, flags); | ||
| 108 | return retval; | ||
| 109 | } | ||
| 110 | |||
| 111 | static inline int atomic_inc_and_test(volatile atomic_t *v) | ||
| 112 | { | ||
| 113 | int retval; | ||
| 114 | unsigned long flags; | ||
| 115 | cris_atomic_save(v, flags); | ||
| 116 | retval = ++(v->counter) == 0; | ||
| 117 | cris_atomic_restore(v, flags); | ||
| 118 | return retval; | ||
| 119 | } | ||
| 120 | |||
| 121 | static inline int atomic_cmpxchg(atomic_t *v, int old, int new) | ||
| 122 | { | ||
| 123 | int ret; | ||
| 124 | unsigned long flags; | ||
| 125 | |||
| 126 | cris_atomic_save(v, flags); | ||
| 127 | ret = v->counter; | ||
| 128 | if (likely(ret == old)) | ||
| 129 | v->counter = new; | ||
| 130 | cris_atomic_restore(v, flags); | ||
| 131 | return ret; | ||
| 132 | } | ||
| 133 | |||
| 134 | #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) | ||
| 135 | |||
| 136 | static inline int __atomic_add_unless(atomic_t *v, int a, int u) | ||
| 137 | { | ||
| 138 | int ret; | ||
| 139 | unsigned long flags; | ||
| 140 | |||
| 141 | cris_atomic_save(v, flags); | ||
| 142 | ret = v->counter; | ||
| 143 | if (ret != u) | ||
| 144 | v->counter += a; | ||
| 145 | cris_atomic_restore(v, flags); | ||
| 146 | return ret; | ||
| 147 | } | ||
| 148 | |||
| 149 | #endif | ||
