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Line 55... | Line 55... | ||
55 | /** Get OpenFirmware node property. |
55 | /** Get OpenFirmware node property. |
56 | * |
56 | * |
57 | * @param node Node in which to lookup the property. |
57 | * @param node Node in which to lookup the property. |
58 | * @param name Name of the property. |
58 | * @param name Name of the property. |
59 | * |
59 | * |
60 | * @return Pointer to the property structure or NULL if no such property. |
60 | * @return Pointer to the property structure or NULL if no such |
- | 61 | * property. |
|
61 | */ |
62 | */ |
- | 63 | ofw_tree_property_t * |
|
62 | ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *node, const char *name) |
64 | ofw_tree_getprop(const ofw_tree_node_t *node, const char *name) |
63 | { |
65 | { |
64 | unsigned int i; |
66 | unsigned int i; |
65 | 67 | ||
66 | for (i = 0; i < node->properties; i++) { |
68 | for (i = 0; i < node->properties; i++) { |
67 | if (strcmp(node->property[i].name, name) == 0) |
69 | if (strcmp(node->property[i].name, name) == 0) |
Line 94... | Line 96... | ||
94 | /** Lookup child of given name. |
96 | /** Lookup child of given name. |
95 | * |
97 | * |
96 | * @param node Node whose child is being looked up. |
98 | * @param node Node whose child is being looked up. |
97 | * @param name Name of the child being looked up. |
99 | * @param name Name of the child being looked up. |
98 | * |
100 | * |
99 | * @return NULL if there is no such child or pointer to the matching child node. |
101 | * @return NULL if there is no such child or pointer to the |
- | 102 | * matching child node. |
|
100 | */ |
103 | */ |
101 | ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name) |
104 | ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name) |
102 | { |
105 | { |
103 | ofw_tree_node_t *cur; |
106 | ofw_tree_node_t *cur; |
104 | 107 | ||
Line 128... | Line 131... | ||
128 | /** Lookup first child of given device type. |
131 | /** Lookup first child of given device type. |
129 | * |
132 | * |
130 | * @param node Node whose child is being looked up. |
133 | * @param node Node whose child is being looked up. |
131 | * @param name Device type of the child being looked up. |
134 | * @param name Device type of the child being looked up. |
132 | * |
135 | * |
133 | * @return NULL if there is no such child or pointer to the matching child node. |
136 | * @return NULL if there is no such child or pointer to the |
- | 137 | * matching child node. |
|
134 | */ |
138 | */ |
- | 139 | ofw_tree_node_t * |
|
135 | ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *name) |
140 | ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *name) |
136 | { |
141 | { |
137 | ofw_tree_node_t *cur; |
142 | ofw_tree_node_t *cur; |
138 | ofw_tree_property_t *prop; |
143 | ofw_tree_property_t *prop; |
139 | 144 | ||
140 | for (cur = node->child; cur; cur = cur->peer) { |
145 | for (cur = node->child; cur; cur = cur->peer) { |
Line 154... | Line 159... | ||
154 | * are looked up iteratively to avoid stack overflow. |
159 | * are looked up iteratively to avoid stack overflow. |
155 | * |
160 | * |
156 | * @param root Root of the searched subtree. |
161 | * @param root Root of the searched subtree. |
157 | * @param handle OpenFirmware handle. |
162 | * @param handle OpenFirmware handle. |
158 | * |
163 | * |
159 | * @return NULL if there is no such node or pointer to the matching node. |
164 | * @return NULL if there is no such node or pointer to the matching |
- | 165 | * node. |
|
160 | */ |
166 | */ |
- | 167 | ofw_tree_node_t * |
|
161 | ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle) |
168 | ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle) |
162 | { |
169 | { |
163 | ofw_tree_node_t *cur; |
170 | ofw_tree_node_t *cur; |
164 | 171 | ||
165 | for (cur = root; cur; cur = cur->peer) { |
172 | for (cur = root; cur; cur = cur->peer) { |
166 | if (cur->node_handle == handle) |
173 | if (cur->node_handle == handle) |
Line 181... | Line 188... | ||
181 | /** Lookup first peer of given device type. |
188 | /** Lookup first peer of given device type. |
182 | * |
189 | * |
183 | * @param node Node whose peer is being looked up. |
190 | * @param node Node whose peer is being looked up. |
184 | * @param name Device type of the child being looked up. |
191 | * @param name Device type of the child being looked up. |
185 | * |
192 | * |
186 | * @return NULL if there is no such child or pointer to the matching child node. |
193 | * @return NULL if there is no such child or pointer to the |
- | 194 | * matching child node. |
|
187 | */ |
195 | */ |
- | 196 | ofw_tree_node_t * |
|
188 | ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *name) |
197 | ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *name) |
189 | { |
198 | { |
190 | ofw_tree_node_t *cur; |
199 | ofw_tree_node_t *cur; |
191 | ofw_tree_property_t *prop; |
200 | ofw_tree_property_t *prop; |
192 | 201 | ||
193 | for (cur = node->peer; cur; cur = cur->peer) { |
202 | for (cur = node->peer; cur; cur = cur->peer) { |
Line 200... | Line 209... | ||
200 | 209 | ||
201 | return NULL; |
210 | return NULL; |
202 | } |
211 | } |
203 | 212 | ||
204 | 213 | ||
- | 214 | /** Lookup first peer of given name. |
|
- | 215 | * |
|
- | 216 | * @param node Node whose peer is being looked up. |
|
- | 217 | * @param name Name of the child being looked up. |
|
- | 218 | * |
|
- | 219 | * @return NULL if there is no such peer or pointer to the matching |
|
- | 220 | * peer node. |
|
- | 221 | */ |
|
- | 222 | ofw_tree_node_t * |
|
- | 223 | ofw_tree_find_peer_by_name(ofw_tree_node_t *node, const char *name) |
|
- | 224 | { |
|
- | 225 | ofw_tree_node_t *cur; |
|
- | 226 | ofw_tree_property_t *prop; |
|
- | 227 | ||
- | 228 | for (cur = node->peer; cur; cur = cur->peer) { |
|
- | 229 | prop = ofw_tree_getprop(cur, "name"); |
|
- | 230 | if (!prop || !prop->value) |
|
- | 231 | continue; |
|
- | 232 | if (strcmp(prop->value, name) == 0) |
|
- | 233 | return cur; |
|
- | 234 | } |
|
- | 235 | ||
- | 236 | return NULL; |
|
- | 237 | } |
|
- | 238 | ||
205 | /** Lookup OpenFirmware node by its path. |
239 | /** Lookup OpenFirmware node by its path. |
206 | * |
240 | * |
207 | * @param path Path to the node. |
241 | * @param path Path to the node. |
208 | * |
242 | * |
209 | * @return NULL if there is no such node or pointer to the leaf node. |
243 | * @return NULL if there is no such node or pointer to the leaf |
- | 244 | * node. |
|
210 | */ |
245 | */ |
211 | ofw_tree_node_t *ofw_tree_lookup(const char *path) |
246 | ofw_tree_node_t *ofw_tree_lookup(const char *path) |
212 | { |
247 | { |
213 | char buf[NAME_BUF_LEN+1]; |
248 | char buf[NAME_BUF_LEN + 1]; |
214 | ofw_tree_node_t *node = ofw_root; |
249 | ofw_tree_node_t *node = ofw_root; |