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v3.1
 1#ifndef __ASM_SH_ATOMIC_IRQ_H
 2#define __ASM_SH_ATOMIC_IRQ_H
 3
 
 
 4/*
 5 * To get proper branch prediction for the main line, we must branch
 6 * forward to code at the end of this object's .text section, then
 7 * branch back to restart the operation.
 8 */
 9static inline void atomic_add(int i, atomic_t *v)
10{
11	unsigned long flags;
12
13	raw_local_irq_save(flags);
14	v->counter += i;
15	raw_local_irq_restore(flags);
16}
17
18static inline void atomic_sub(int i, atomic_t *v)
19{
20	unsigned long flags;
21
22	raw_local_irq_save(flags);
23	v->counter -= i;
24	raw_local_irq_restore(flags);
25}
26
27static inline int atomic_add_return(int i, atomic_t *v)
28{
29	unsigned long temp, flags;
30
31	raw_local_irq_save(flags);
32	temp = v->counter;
33	temp += i;
34	v->counter = temp;
35	raw_local_irq_restore(flags);
36
37	return temp;
38}
39
40static inline int atomic_sub_return(int i, atomic_t *v)
41{
42	unsigned long temp, flags;
43
44	raw_local_irq_save(flags);
45	temp = v->counter;
46	temp -= i;
47	v->counter = temp;
48	raw_local_irq_restore(flags);
49
50	return temp;
51}
52
53static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
54{
55	unsigned long flags;
56
57	raw_local_irq_save(flags);
58	v->counter &= ~mask;
59	raw_local_irq_restore(flags);
60}
61
62static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
63{
64	unsigned long flags;
65
66	raw_local_irq_save(flags);
67	v->counter |= mask;
68	raw_local_irq_restore(flags);
69}
70
71#endif /* __ASM_SH_ATOMIC_IRQ_H */
v3.15
 1#ifndef __ASM_SH_ATOMIC_IRQ_H
 2#define __ASM_SH_ATOMIC_IRQ_H
 3
 4#include <linux/irqflags.h>
 5
 6/*
 7 * To get proper branch prediction for the main line, we must branch
 8 * forward to code at the end of this object's .text section, then
 9 * branch back to restart the operation.
10 */
11static inline void atomic_add(int i, atomic_t *v)
12{
13	unsigned long flags;
14
15	raw_local_irq_save(flags);
16	v->counter += i;
17	raw_local_irq_restore(flags);
18}
19
20static inline void atomic_sub(int i, atomic_t *v)
21{
22	unsigned long flags;
23
24	raw_local_irq_save(flags);
25	v->counter -= i;
26	raw_local_irq_restore(flags);
27}
28
29static inline int atomic_add_return(int i, atomic_t *v)
30{
31	unsigned long temp, flags;
32
33	raw_local_irq_save(flags);
34	temp = v->counter;
35	temp += i;
36	v->counter = temp;
37	raw_local_irq_restore(flags);
38
39	return temp;
40}
41
42static inline int atomic_sub_return(int i, atomic_t *v)
43{
44	unsigned long temp, flags;
45
46	raw_local_irq_save(flags);
47	temp = v->counter;
48	temp -= i;
49	v->counter = temp;
50	raw_local_irq_restore(flags);
51
52	return temp;
53}
54
55static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
56{
57	unsigned long flags;
58
59	raw_local_irq_save(flags);
60	v->counter &= ~mask;
61	raw_local_irq_restore(flags);
62}
63
64static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
65{
66	unsigned long flags;
67
68	raw_local_irq_save(flags);
69	v->counter |= mask;
70	raw_local_irq_restore(flags);
71}
72
73#endif /* __ASM_SH_ATOMIC_IRQ_H */