dm: core: Provide ofnode_name_eq_unit() to accept a unit address
When a unit-address is provided, use it to match against the node
name.
Since this increases code size, put it into a separate function.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 83c6006..373c784 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -309,6 +309,29 @@
return (strlen(name) == len) && !strncmp(node_name, name, len);
}
+bool ofnode_name_eq_unit(ofnode node, const char *name)
+{
+ const char *node_name, *p;
+ int len;
+
+ assert(ofnode_valid(node));
+
+ node_name = ofnode_get_name(node);
+
+ /* check the whole name */
+ if (!strcmp(node_name, name))
+ return true;
+
+ /* if @name has no unit address, try the node name without it */
+ len = strlen(name);
+ p = strchr(node_name, '@');
+ if (p && !strchr(name, '@') && len == p - node_name &&
+ !strncmp(node_name, name, len))
+ return true;
+
+ return false;
+}
+
int ofnode_read_u8(ofnode node, const char *propname, u8 *outp)
{
const u8 *cell;