of: Remove struct device_node.type pointer

Now that all users of device_node.type pointer have been removed in
favor of accessor functions, we can remove it.

Cc: Frank Rowand <frowand.list@gmail.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: NRob Herring <robh@kernel.org>

drivers/of/dynamic.c

@@ -207,11 +207,8 @@ static void __of_attach_node(struct device_node *np)
 
 	if (!of_node_check_flag(np, OF_OVERLAY)) {
 		np->name = __of_get_property(np, "name", NULL);
-		np->type = __of_get_property(np, "device_type", NULL);
 		if (!np->name)
 			np->name = "<NULL>";
-		if (!np->type)
-			np->type = "<NULL>";
 
 		phandle = __of_get_property(np, "phandle", &sz);
 		if (!phandle)

drivers/of/fdt.c

@@ -314,12 +314,8 @@ static bool populate_node(const void *blob,
 	populate_properties(blob, offset, mem, np, pathp, dryrun);
 	if (!dryrun) {
 		np->name = of_get_property(np, "name", NULL);
-		np->type = of_get_property(np, "device_type", NULL);
-
 		if (!np->name)
 			np->name = "<NULL>";
-		if (!np->type)
-			np->type = "<NULL>";
 	}
 
 	*pnp = np;

drivers/of/overlay.c

@@ -423,12 +423,9 @@ static int add_changeset_node(struct overlay_changeset *ovcs,
 
 		tchild->parent = target->np;
 		tchild->name = __of_get_property(node, "name", NULL);
-		tchild->type = __of_get_property(node, "device_type", NULL);
 
 		if (!tchild->name)
 			tchild->name = "<NULL>";
-		if (!tchild->type)
-			tchild->type = "<NULL>";
 
 		/* ignore obsolete "linux,phandle" */
 		phandle = __of_get_property(node, "phandle", &size);

drivers/of/pdt.c

@@ -155,7 +155,6 @@ static struct device_node * __init of_pdt_create_node(phandle node,
 	dp->parent = parent;
 
 	dp->name = of_pdt_get_one_property(node, "name");
-	dp->type = of_pdt_get_one_property(node, "device_type");
 	dp->phandle = node;
 
 	dp->properties = of_pdt_build_prop_list(node);

include/linux/of.h

@@ -50,7 +50,6 @@ struct of_irq_controller;
 
 struct device_node {
 	const char *name;
-	const char *type;
 	phandle phandle;
 	const char *full_name;
 	struct fwnode_handle fwnode;