diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/atomic.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index c33749f95b32..058129e9b04c 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h | |||
@@ -30,8 +30,7 @@ | |||
30 | * atomic_read - read atomic variable | 30 | * atomic_read - read atomic variable |
31 | * @v: pointer of type atomic_t | 31 | * @v: pointer of type atomic_t |
32 | * | 32 | * |
33 | * Atomically reads the value of @v. Note that the guaranteed | 33 | * Atomically reads the value of @v. |
34 | * useful range of an atomic_t is only 24 bits. | ||
35 | */ | 34 | */ |
36 | #define atomic_read(v) (*(volatile int *)&(v)->counter) | 35 | #define atomic_read(v) (*(volatile int *)&(v)->counter) |
37 | 36 | ||
@@ -40,8 +39,7 @@ | |||
40 | * @v: pointer of type atomic_t | 39 | * @v: pointer of type atomic_t |
41 | * @i: required value | 40 | * @i: required value |
42 | * | 41 | * |
43 | * Atomically sets the value of @v to @i. Note that the guaranteed | 42 | * Atomically sets the value of @v to @i. |
44 | * useful range of an atomic_t is only 24 bits. | ||
45 | */ | 43 | */ |
46 | #define atomic_set(v, i) (((v)->counter) = (i)) | 44 | #define atomic_set(v, i) (((v)->counter) = (i)) |
47 | 45 | ||
@@ -53,7 +51,6 @@ | |||
53 | * @v: pointer of type atomic_t | 51 | * @v: pointer of type atomic_t |
54 | * | 52 | * |
55 | * Atomically adds @i to @v and returns the result | 53 | * Atomically adds @i to @v and returns the result |
56 | * Note that the guaranteed useful range of an atomic_t is only 24 bits. | ||
57 | */ | 54 | */ |
58 | static inline int atomic_add_return(int i, atomic_t *v) | 55 | static inline int atomic_add_return(int i, atomic_t *v) |
59 | { | 56 | { |
@@ -75,7 +72,6 @@ static inline int atomic_add_return(int i, atomic_t *v) | |||
75 | * @v: pointer of type atomic_t | 72 | * @v: pointer of type atomic_t |
76 | * | 73 | * |
77 | * Atomically subtracts @i from @v and returns the result | 74 | * Atomically subtracts @i from @v and returns the result |
78 | * Note that the guaranteed useful range of an atomic_t is only 24 bits. | ||
79 | */ | 75 | */ |
80 | static inline int atomic_sub_return(int i, atomic_t *v) | 76 | static inline int atomic_sub_return(int i, atomic_t *v) |
81 | { | 77 | { |