summaryrefslogtreecommitdiffstats
path: root/include/linux/of.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
commita18f22a968de17b29f2310cdb7ba69163e65ec15 (patch)
treea7d56d88fad5e444d7661484109758a2f436129e /include/linux/of.h
parenta1c57e0fec53defe745e64417eacdbd3618c3e66 (diff)
parent798778b8653f64b7b2162ac70eca10367cff6ce8 (diff)
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts: arch/ia64/kernel/cyclone.c arch/mips/kernel/i8253.c arch/x86/kernel/i8253.c Reason: Resolve conflicts so further cleanups do not conflict further Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/of.h')
-rw-r--r--include/linux/of.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index cad7cf0ab27..bfc0ed1b0ce 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -23,8 +23,6 @@
#include <asm/byteorder.h>
-#ifdef CONFIG_OF
-
typedef u32 phandle;
typedef u32 ihandle;
@@ -65,11 +63,18 @@ struct device_node {
#endif
};
+#ifdef CONFIG_OF
+
/* Pointer for first entry in chain of all nodes. */
extern struct device_node *allnodes;
extern struct device_node *of_chosen;
extern rwlock_t devtree_lock;
+static inline bool of_have_populated_dt(void)
+{
+ return allnodes != NULL;
+}
+
static inline bool of_node_is_root(const struct device_node *node)
{
return node && (node->parent == NULL);
@@ -103,7 +108,7 @@ extern void of_node_put(struct device_node *node);
#endif
/*
- * OF address retreival & translation
+ * OF address retrieval & translation
*/
/* Helper to read a big number; size is in cells (not bytes) */
@@ -222,5 +227,12 @@ extern void of_attach_node(struct device_node *);
extern void of_detach_node(struct device_node *);
#endif
+#else
+
+static inline bool of_have_populated_dt(void)
+{
+ return false;
+}
+
#endif /* CONFIG_OF */
#endif /* _LINUX_OF_H */