diff options
Diffstat (limited to 'drivers/staging/csr/csr_framework_ext.c')
-rw-r--r-- | drivers/staging/csr/csr_framework_ext.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/drivers/staging/csr/csr_framework_ext.c b/drivers/staging/csr/csr_framework_ext.c index f91a4bf4e68..2aabb6c6b0a 100644 --- a/drivers/staging/csr/csr_framework_ext.c +++ b/drivers/staging/csr/csr_framework_ext.c | |||
@@ -9,7 +9,6 @@ | |||
9 | *****************************************************************************/ | 9 | *****************************************************************************/ |
10 | 10 | ||
11 | #include <linux/kernel.h> | 11 | #include <linux/kernel.h> |
12 | #include <linux/version.h> | ||
13 | #include <linux/kthread.h> | 12 | #include <linux/kthread.h> |
14 | #include <linux/module.h> | 13 | #include <linux/module.h> |
15 | #include <linux/freezer.h> | 14 | #include <linux/freezer.h> |
@@ -18,102 +17,6 @@ | |||
18 | #include <linux/bitops.h> | 17 | #include <linux/bitops.h> |
19 | 18 | ||
20 | #include "csr_framework_ext.h" | 19 | #include "csr_framework_ext.h" |
21 | #include "csr_panic.h" | ||
22 | |||
23 | /*----------------------------------------------------------------------------* | ||
24 | * NAME | ||
25 | * CsrMutexCreate | ||
26 | * | ||
27 | * DESCRIPTION | ||
28 | * Create a mutex and return a handle to the created mutex. | ||
29 | * | ||
30 | * RETURNS | ||
31 | * Possible values: | ||
32 | * CSR_RESULT_SUCCESS in case of success | ||
33 | * CSR_FE_RESULT_NO_MORE_MUTEXES in case of out of mutex resources | ||
34 | * CSR_FE_RESULT_INVALID_POINTER in case the mutexHandle pointer is invalid | ||
35 | * | ||
36 | *----------------------------------------------------------------------------*/ | ||
37 | CsrResult CsrMutexCreate(CsrMutexHandle *mutexHandle) | ||
38 | { | ||
39 | if (mutexHandle == NULL) | ||
40 | { | ||
41 | return CSR_FE_RESULT_INVALID_POINTER; | ||
42 | } | ||
43 | |||
44 | sema_init(mutexHandle, 1); | ||
45 | |||
46 | return CSR_RESULT_SUCCESS; | ||
47 | } | ||
48 | |||
49 | /*----------------------------------------------------------------------------* | ||
50 | * NAME | ||
51 | * CsrMutexDestroy | ||
52 | * | ||
53 | * DESCRIPTION | ||
54 | * Destroy the previously created mutex. | ||
55 | * | ||
56 | * RETURNS | ||
57 | * void | ||
58 | * | ||
59 | *----------------------------------------------------------------------------*/ | ||
60 | void CsrMutexDestroy(CsrMutexHandle *mutexHandle) | ||
61 | { | ||
62 | } | ||
63 | |||
64 | /*----------------------------------------------------------------------------* | ||
65 | * NAME | ||
66 | * CsrMutexLock | ||
67 | * | ||
68 | * DESCRIPTION | ||
69 | * Lock the mutex refered to by the provided handle. | ||
70 | * | ||
71 | * RETURNS | ||
72 | * Possible values: | ||
73 | * CSR_RESULT_SUCCESS in case of success | ||
74 | * CSR_FE_RESULT_INVALID_HANDLE in case the mutexHandle is invalid | ||
75 | * | ||
76 | *----------------------------------------------------------------------------*/ | ||
77 | CsrResult CsrMutexLock(CsrMutexHandle *mutexHandle) | ||
78 | { | ||
79 | if (mutexHandle == NULL) | ||
80 | { | ||
81 | return CSR_FE_RESULT_INVALID_POINTER; | ||
82 | } | ||
83 | |||
84 | if (down_interruptible(mutexHandle)) | ||
85 | { | ||
86 | CsrPanic(CSR_TECH_FW, CSR_PANIC_FW_UNEXPECTED_VALUE, "CsrMutexLock Failed"); | ||
87 | return CSR_FE_RESULT_INVALID_POINTER; | ||
88 | } | ||
89 | |||
90 | return CSR_RESULT_SUCCESS; | ||
91 | } | ||
92 | |||
93 | /*----------------------------------------------------------------------------* | ||
94 | * NAME | ||
95 | * CsrMutexUnlock | ||
96 | * | ||
97 | * DESCRIPTION | ||
98 | * Unlock the mutex refered to by the provided handle. | ||
99 | * | ||
100 | * RETURNS | ||
101 | * Possible values: | ||
102 | * CSR_RESULT_SUCCESS in case of success | ||
103 | * CSR_FE_RESULT_INVALID_HANDLE in case the mutexHandle is invalid | ||
104 | * | ||
105 | *----------------------------------------------------------------------------*/ | ||
106 | CsrResult CsrMutexUnlock(CsrMutexHandle *mutexHandle) | ||
107 | { | ||
108 | if (mutexHandle == NULL) | ||
109 | { | ||
110 | return CSR_FE_RESULT_INVALID_POINTER; | ||
111 | } | ||
112 | |||
113 | up(mutexHandle); | ||
114 | |||
115 | return CSR_RESULT_SUCCESS; | ||
116 | } | ||
117 | 20 | ||
118 | /*----------------------------------------------------------------------------* | 21 | /*----------------------------------------------------------------------------* |
119 | * NAME | 22 | * NAME |