of: Use of_node_name_eq for node name comparisons

Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.

Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>

5 files changed, 13 insertions, 14 deletions

diff --git a/drivers/of/address.c b/drivers/of/address.c
index ae48e121b6e7..2270373b30ab 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -371,7 +371,7 @@ EXPORT_SYMBOL(of_pci_range_to_resource);
 
 static int of_bus_isa_match(struct device_node *np)
 {
-        return !strcmp(np->name, "isa");
+        return of_node_name_eq(np, "isa");
 }
 
 static void of_bus_isa_count_cells(struct device_node *child,
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 57c837140a8b..998d032fcef9 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -496,7 +496,7 @@ static int __of_device_is_compatible(const struct device_node *device,
 
         /* Matching name is a bit better than not */
         if (name && name[0]) {
-                if (!device->name || of_node_cmp(name, device->name))
+                if (!of_node_name_eq(device, name))
                         return 0;
                 score++;
         }
@@ -835,7 +835,7 @@ struct device_node *of_get_child_by_name(const struct device_node *node,
         struct device_node *child;
 
         for_each_child_of_node(node, child)
-                if (child->name && (of_node_cmp(child->name, name) == 0))
+                if (of_node_name_eq(child, name))
                         break;
         return child;
 }
@@ -961,8 +961,7 @@ struct device_node *of_find_node_by_name(struct device_node *from,
 
         raw_spin_lock_irqsave(&devtree_lock, flags);
         for_each_of_allnodes_from(from, np)
-                if (np->name && (of_node_cmp(np->name, name) == 0)
-                    && of_node_get(np))
+                if (of_node_name_eq(np, name) && of_node_get(np))
                         break;
         of_node_put(from);
         raw_spin_unlock_irqrestore(&devtree_lock, flags);
diff --git a/drivers/of/property.c b/drivers/of/property.c
index f46828e3b082..08430031bd28 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -571,7 +571,7 @@ struct device_node *of_graph_get_port_by_id(struct device_node *parent, u32 id)
         for_each_child_of_node(parent, port) {
                 u32 port_id = 0;
 
-                if (of_node_cmp(port->name, "port") != 0)
+                if (!of_node_name_eq(port, "port"))
                         continue;
                 of_property_read_u32(port, "reg", &port_id);
                 if (id == port_id)
@@ -646,7 +646,7 @@ struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
                         port = of_get_next_child(parent, port);
                         if (!port)
                                 return NULL;
-                } while (of_node_cmp(port->name, "port"));
+                } while (!of_node_name_eq(port, "port"));
         }
 }
 EXPORT_SYMBOL(of_graph_get_next_endpoint);
@@ -715,7 +715,7 @@ struct device_node *of_graph_get_port_parent(struct device_node *node)
         /* Walk 3 levels up only if there is 'ports' node. */
         for (depth = 3; depth && node; depth--) {
                 node = of_get_next_parent(node);
-                if (depth == 2 && of_node_cmp(node->name, "ports"))
+                if (depth == 2 && !of_node_name_eq(node, "ports"))
                         break;
         }
         return node;
@@ -893,7 +893,7 @@ of_fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
         struct device_node *child;
 
         for_each_available_child_of_node(node, child)
-                if (!of_node_cmp(child->name, childname))
+                if (of_node_name_eq(child, childname))
                         return of_fwnode_handle(child);
 
         return NULL;
@@ -955,7 +955,7 @@ of_fwnode_graph_get_port_parent(struct fwnode_handle *fwnode)
                 return NULL;
 
         /* Is this the "ports" node? If not, it's the port parent. */
-        if (of_node_cmp(np->name, "ports"))
+        if (!of_node_name_eq(np, "ports"))
                 return of_fwnode_handle(np);
 
         return of_fwnode_handle(of_get_next_parent(np));
diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
index 7edfac6f1914..c1b67dd7cd6e 100644
--- a/drivers/of/resolver.c
+++ b/drivers/of/resolver.c
@@ -281,7 +281,7 @@ int of_resolve_phandles(struct device_node *overlay)
         adjust_overlay_phandles(overlay, phandle_delta);
 
         for_each_child_of_node(overlay, local_fixups)
-                if (!of_node_cmp(local_fixups->name, "__local_fixups__"))
+                if (of_node_name_eq(local_fixups, "__local_fixups__"))
                         break;
 
         err = adjust_local_phandle_references(local_fixups, overlay, phandle_delta);
@@ -291,7 +291,7 @@ int of_resolve_phandles(struct device_node *overlay)
         overlay_fixups = NULL;
 
         for_each_child_of_node(overlay, child) {
-                if (!of_node_cmp(child->name, "__fixups__"))
+                if (of_node_name_eq(child, "__fixups__"))
                         overlay_fixups = child;
         }
 
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 9a10a48eb6a1..84427384654d 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -2393,7 +2393,7 @@ static __init void of_unittest_overlay_high_level(void)
          */
         pprev = &overlay_base_root->child;
         for (np = overlay_base_root->child; np; np = np->sibling) {
-                if (!of_node_cmp(np->name, "__local_fixups__")) {
+                if (of_node_name_eq(np, "__local_fixups__")) {
                         *pprev = np->sibling;
                         break;
                 }
@@ -2406,7 +2406,7 @@ static __init void of_unittest_overlay_high_level(void)
                 /* will have to graft properties from node into live tree */
                 pprev = &overlay_base_root->child;
                 for (np = overlay_base_root->child; np; np = np->sibling) {
-                        if (!of_node_cmp(np->name, "__symbols__")) {
+                        if (of_node_name_eq(np, "__symbols__")) {
                                 overlay_base_symbols = np;
                                 *pprev = np->sibling;
                                 break;