dtc工具解析

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/kernel/scripts/dtc/livetree.c

merge_nodes

-->delete_property_by_name

-->delete_node_by_name

-->delete_node

void delete_node(struct node *node)

287 {

288 struct property *prop;

289 struct node *child;

290

291 node->deleted = 1;

292 for_each_child(node, child)

293 delete_node(child);

294 for_each_property(node, prop)

295 delete_property(prop);

296 delete_labels(&node->labels);

297 }

/kernel/scripts/dtc/dtc-lexer.l

127<*>"/delete-property/" {

128 DPRINT("Keyword:/delete-property/\n");

129 DPRINT("<PROPNODENAME>\n");

130 BEGIN(PROPNODENAME);

131 return DT_DEL_PROP;

132 }

133

134<*>"/delete-node/" {

135 DPRINT("Keyword:/delete-node/\n");

136 DPRINT("<PROPNODENAME>\n");

137 BEGIN(PROPNODENAME);

138 return DT_DEL_NODE;

139 }

dtc-parser.y:66:%tokenDT_DEL_NODE

dtc-parser.y:158: | devicetree DT_DEL_NODE DT_REF ';'

-->delete_node()

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