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 /arch/cris/include | |
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>
Diffstat (limited to 'arch/cris/include')
-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 | ||