diff options
-rw-r--r-- | arch/microblaze/kernel/prom.c | 42 | ||||
-rw-r--r-- | arch/powerpc/kernel/prom.c | 42 | ||||
-rw-r--r-- | drivers/of/fdt.c | 43 |
3 files changed, 43 insertions, 84 deletions
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 7eb6f8bdb81a..d75c6253c0de 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c | |||
@@ -50,48 +50,6 @@ typedef u32 cell_t; | |||
50 | /* export that to outside world */ | 50 | /* export that to outside world */ |
51 | struct device_node *of_chosen; | 51 | struct device_node *of_chosen; |
52 | 52 | ||
53 | /** | ||
54 | * This function can be used within scan_flattened_dt callback to get | ||
55 | * access to properties | ||
56 | */ | ||
57 | void *__init of_get_flat_dt_prop(unsigned long node, const char *name, | ||
58 | unsigned long *size) | ||
59 | { | ||
60 | unsigned long p = node; | ||
61 | |||
62 | do { | ||
63 | u32 tag = *((u32 *)p); | ||
64 | u32 sz, noff; | ||
65 | const char *nstr; | ||
66 | |||
67 | p += 4; | ||
68 | if (tag == OF_DT_NOP) | ||
69 | continue; | ||
70 | if (tag != OF_DT_PROP) | ||
71 | return NULL; | ||
72 | |||
73 | sz = *((u32 *)p); | ||
74 | noff = *((u32 *)(p + 4)); | ||
75 | p += 8; | ||
76 | if (initial_boot_params->version < 0x10) | ||
77 | p = _ALIGN(p, sz >= 8 ? 8 : 4); | ||
78 | |||
79 | nstr = find_flat_dt_string(noff); | ||
80 | if (nstr == NULL) { | ||
81 | printk(KERN_WARNING "Can't find property index" | ||
82 | " name !\n"); | ||
83 | return NULL; | ||
84 | } | ||
85 | if (strcmp(name, nstr) == 0) { | ||
86 | if (size) | ||
87 | *size = sz; | ||
88 | return (void *)p; | ||
89 | } | ||
90 | p += sz; | ||
91 | p = _ALIGN(p, 4); | ||
92 | } while (1); | ||
93 | } | ||
94 | |||
95 | int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) | 53 | int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) |
96 | { | 54 | { |
97 | const char *cp; | 55 | const char *cp; |
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index b5d5f85e9c2c..cd0a2bfc978b 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c | |||
@@ -80,48 +80,6 @@ extern rwlock_t devtree_lock; /* temporary while merging */ | |||
80 | /* export that to outside world */ | 80 | /* export that to outside world */ |
81 | struct device_node *of_chosen; | 81 | struct device_node *of_chosen; |
82 | 82 | ||
83 | /** | ||
84 | * This function can be used within scan_flattened_dt callback to get | ||
85 | * access to properties | ||
86 | */ | ||
87 | void* __init of_get_flat_dt_prop(unsigned long node, const char *name, | ||
88 | unsigned long *size) | ||
89 | { | ||
90 | unsigned long p = node; | ||
91 | |||
92 | do { | ||
93 | u32 tag = *((u32 *)p); | ||
94 | u32 sz, noff; | ||
95 | const char *nstr; | ||
96 | |||
97 | p += 4; | ||
98 | if (tag == OF_DT_NOP) | ||
99 | continue; | ||
100 | if (tag != OF_DT_PROP) | ||
101 | return NULL; | ||
102 | |||
103 | sz = *((u32 *)p); | ||
104 | noff = *((u32 *)(p + 4)); | ||
105 | p += 8; | ||
106 | if (initial_boot_params->version < 0x10) | ||
107 | p = _ALIGN(p, sz >= 8 ? 8 : 4); | ||
108 | |||
109 | nstr = find_flat_dt_string(noff); | ||
110 | if (nstr == NULL) { | ||
111 | printk(KERN_WARNING "Can't find property index" | ||
112 | " name !\n"); | ||
113 | return NULL; | ||
114 | } | ||
115 | if (strcmp(name, nstr) == 0) { | ||
116 | if (size) | ||
117 | *size = sz; | ||
118 | return (void *)p; | ||
119 | } | ||
120 | p += sz; | ||
121 | p = _ALIGN(p, 4); | ||
122 | } while(1); | ||
123 | } | ||
124 | |||
125 | int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) | 83 | int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) |
126 | { | 84 | { |
127 | const char* cp; | 85 | const char* cp; |
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index f41d739aa2f7..b17a9086cbfc 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c | |||
@@ -99,3 +99,46 @@ unsigned long __init of_get_flat_dt_root(void) | |||
99 | return _ALIGN(p + strlen((char *)p) + 1, 4); | 99 | return _ALIGN(p + strlen((char *)p) + 1, 4); |
100 | } | 100 | } |
101 | 101 | ||
102 | /** | ||
103 | * of_get_flat_dt_prop - Given a node in the flat blob, return the property ptr | ||
104 | * | ||
105 | * This function can be used within scan_flattened_dt callback to get | ||
106 | * access to properties | ||
107 | */ | ||
108 | void *__init of_get_flat_dt_prop(unsigned long node, const char *name, | ||
109 | unsigned long *size) | ||
110 | { | ||
111 | unsigned long p = node; | ||
112 | |||
113 | do { | ||
114 | u32 tag = *((u32 *)p); | ||
115 | u32 sz, noff; | ||
116 | const char *nstr; | ||
117 | |||
118 | p += 4; | ||
119 | if (tag == OF_DT_NOP) | ||
120 | continue; | ||
121 | if (tag != OF_DT_PROP) | ||
122 | return NULL; | ||
123 | |||
124 | sz = *((u32 *)p); | ||
125 | noff = *((u32 *)(p + 4)); | ||
126 | p += 8; | ||
127 | if (initial_boot_params->version < 0x10) | ||
128 | p = _ALIGN(p, sz >= 8 ? 8 : 4); | ||
129 | |||
130 | nstr = find_flat_dt_string(noff); | ||
131 | if (nstr == NULL) { | ||
132 | pr_warning("Can't find property index name !\n"); | ||
133 | return NULL; | ||
134 | } | ||
135 | if (strcmp(name, nstr) == 0) { | ||
136 | if (size) | ||
137 | *size = sz; | ||
138 | return (void *)p; | ||
139 | } | ||
140 | p += sz; | ||
141 | p = _ALIGN(p, 4); | ||
142 | } while (1); | ||
143 | } | ||
144 | |||