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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>
This commit is contained in:
Rob Herring 2018-08-27 08:37:06 -05:00
parent ae517053f0
commit b3e46d1a05
5 changed files with 13 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/of/address.c
View File

@ -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,

7
drivers/of/base.c
View File

@ -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);

10
drivers/of/property.c
View File

@ -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));

4
drivers/of/resolver.c
View File

@ -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;
}

4
drivers/of/unittest.c
View File

@ -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;