mm: remove the filename in the top of file comment in vmalloc.c

[linux-2.6-microblaze.git] / drivers / base / property.c

diff --git a/drivers/base/property.c b/drivers/base/property.c
index d58aa98..4c43d30 100644 (file)
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -1184,3 +1184,76 @@ const void *device_get_match_data(struct device *dev)
        return fwnode_call_ptr_op(dev_fwnode(dev), device_get_match_data, dev);
 }
 EXPORT_SYMBOL_GPL(device_get_match_data);
+
+static void *
+fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
+                         void *data, devcon_match_fn_t match)
+{
+       struct fwnode_handle *node;
+       struct fwnode_handle *ep;
+       void *ret;
+
+       fwnode_graph_for_each_endpoint(fwnode, ep) {
+               node = fwnode_graph_get_remote_port_parent(ep);
+               if (!fwnode_device_is_available(node))
+                       continue;
+
+               ret = match(node, con_id, data);
+               fwnode_handle_put(node);
+               if (ret) {
+                       fwnode_handle_put(ep);
+                       return ret;
+               }
+       }
+       return NULL;
+}
+
+static void *
+fwnode_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
+                   void *data, devcon_match_fn_t match)
+{
+       struct fwnode_handle *node;
+       void *ret;
+       int i;
+
+       for (i = 0; ; i++) {
+               node = fwnode_find_reference(fwnode, con_id, i);
+               if (IS_ERR(node))
+                       break;
+
+               ret = match(node, NULL, data);
+               fwnode_handle_put(node);
+               if (ret)
+                       return ret;
+       }
+
+       return NULL;
+}
+
+/**
+ * fwnode_connection_find_match - Find connection from a device node
+ * @fwnode: Device node with the connection
+ * @con_id: Identifier for the connection
+ * @data: Data for the match function
+ * @match: Function to check and convert the connection description
+ *
+ * Find a connection with unique identifier @con_id between @fwnode and another
+ * device node. @match will be used to convert the connection description to
+ * data the caller is expecting to be returned.
+ */
+void *fwnode_connection_find_match(struct fwnode_handle *fwnode,
+                                  const char *con_id, void *data,
+                                  devcon_match_fn_t match)
+{
+       void *ret;
+
+       if (!fwnode || !match)
+               return NULL;
+
+       ret = fwnode_graph_devcon_match(fwnode, con_id, data, match);
+       if (ret)
+               return ret;
+
+       return fwnode_devcon_match(fwnode, con_id, data, match);
+}
+EXPORT_SYMBOL_GPL(fwnode_connection_find_match);