diff options
author | David S. Miller <davem@davemloft.net> | 2008-12-04 23:28:22 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-12-05 20:00:13 -0500 |
commit | dfa76060be85dd48d3803bc26f6a6d2e93e812f0 (patch) | |
tree | 6e0256581241b0db0da33ce5afbd4017a61e38d8 /arch/sparc/kernel/prom_64.c | |
parent | ab04323e5b8c50d6e8f7f4a3e4118ba5fcba61a1 (diff) |
sparc: Create common area for OF device layer code.
This is where common code implementations will go as we unify
32-bit and 64-bit OF device tree code.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/prom_64.c')
-rw-r--r-- | arch/sparc/kernel/prom_64.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index 651448d3cc5a..1f5666a94884 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c | |||
@@ -32,100 +32,6 @@ | |||
32 | 32 | ||
33 | #include "prom.h" | 33 | #include "prom.h" |
34 | 34 | ||
35 | struct device_node *of_find_node_by_phandle(phandle handle) | ||
36 | { | ||
37 | struct device_node *np; | ||
38 | |||
39 | for (np = allnodes; np; np = np->allnext) | ||
40 | if (np->node == handle) | ||
41 | break; | ||
42 | |||
43 | return np; | ||
44 | } | ||
45 | EXPORT_SYMBOL(of_find_node_by_phandle); | ||
46 | |||
47 | int of_getintprop_default(struct device_node *np, const char *name, int def) | ||
48 | { | ||
49 | struct property *prop; | ||
50 | int len; | ||
51 | |||
52 | prop = of_find_property(np, name, &len); | ||
53 | if (!prop || len != 4) | ||
54 | return def; | ||
55 | |||
56 | return *(int *) prop->value; | ||
57 | } | ||
58 | EXPORT_SYMBOL(of_getintprop_default); | ||
59 | |||
60 | DEFINE_MUTEX(of_set_property_mutex); | ||
61 | EXPORT_SYMBOL(of_set_property_mutex); | ||
62 | |||
63 | int of_set_property(struct device_node *dp, const char *name, void *val, int len) | ||
64 | { | ||
65 | struct property **prevp; | ||
66 | void *new_val; | ||
67 | int err; | ||
68 | |||
69 | new_val = kmalloc(len, GFP_KERNEL); | ||
70 | if (!new_val) | ||
71 | return -ENOMEM; | ||
72 | |||
73 | memcpy(new_val, val, len); | ||
74 | |||
75 | err = -ENODEV; | ||
76 | |||
77 | write_lock(&devtree_lock); | ||
78 | prevp = &dp->properties; | ||
79 | while (*prevp) { | ||
80 | struct property *prop = *prevp; | ||
81 | |||
82 | if (!strcasecmp(prop->name, name)) { | ||
83 | void *old_val = prop->value; | ||
84 | int ret; | ||
85 | |||
86 | mutex_lock(&of_set_property_mutex); | ||
87 | ret = prom_setprop(dp->node, name, val, len); | ||
88 | mutex_unlock(&of_set_property_mutex); | ||
89 | |||
90 | err = -EINVAL; | ||
91 | if (ret >= 0) { | ||
92 | prop->value = new_val; | ||
93 | prop->length = len; | ||
94 | |||
95 | if (OF_IS_DYNAMIC(prop)) | ||
96 | kfree(old_val); | ||
97 | |||
98 | OF_MARK_DYNAMIC(prop); | ||
99 | |||
100 | err = 0; | ||
101 | } | ||
102 | break; | ||
103 | } | ||
104 | prevp = &(*prevp)->next; | ||
105 | } | ||
106 | write_unlock(&devtree_lock); | ||
107 | |||
108 | /* XXX Upate procfs if necessary... */ | ||
109 | |||
110 | return err; | ||
111 | } | ||
112 | EXPORT_SYMBOL(of_set_property); | ||
113 | |||
114 | int of_find_in_proplist(const char *list, const char *match, int len) | ||
115 | { | ||
116 | while (len > 0) { | ||
117 | int l; | ||
118 | |||
119 | if (!strcmp(list, match)) | ||
120 | return 1; | ||
121 | l = strlen(list) + 1; | ||
122 | list += l; | ||
123 | len -= l; | ||
124 | } | ||
125 | return 0; | ||
126 | } | ||
127 | EXPORT_SYMBOL(of_find_in_proplist); | ||
128 | |||
129 | static unsigned int prom_early_allocated __initdata; | 35 | static unsigned int prom_early_allocated __initdata; |
130 | 36 | ||
131 | static void * __init prom_early_alloc(unsigned long size) | 37 | static void * __init prom_early_alloc(unsigned long size) |