devicetree: add helper inline for retrieving a node's full name
The pattern (np ? np->full_name : "<none>") is rather common in the
kernel, but can also make for quite long lines. This patch adds a new
inline function, of_node_full_name() so that the test for a valid node
pointer doesn't need to be open coded at all call sites.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/include/linux/of.h b/include/linux/of.h
index 2ec1083..1012377 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -163,6 +163,11 @@
#define of_node_to_nid of_node_to_nid
#endif
+static inline const char* of_node_full_name(struct device_node *np)
+{
+ return np ? np->full_name : "<no-node>";
+}
+
extern struct device_node *of_find_node_by_name(struct device_node *from,
const char *name);
#define for_each_node_by_name(dn, name) \
@@ -303,6 +308,11 @@
#else /* CONFIG_OF */
+static inline const char* of_node_full_name(struct device_node *np)
+{
+ return "<no-node>";
+}
+
static inline bool of_have_populated_dt(void)
{
return false;