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-rw-r--r--include/linux/of.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index e6f0988c1c6..196b34c1ef4 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -130,6 +130,12 @@ static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
return test_bit(flag, &n->_flags);
}
+static inline int of_node_test_and_set_flag(struct device_node *n,
+ unsigned long flag)
+{
+ return test_and_set_bit(flag, &n->_flags);
+}
+
static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
{
set_bit(flag, &n->_flags);
@@ -197,6 +203,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
/* flag descriptions */
#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
#define OF_DETACHED 2 /* node has been detached from the device tree */
+#define OF_POPULATED 3 /* device already created for the node */
#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
@@ -757,4 +764,26 @@ static inline int of_get_available_child_count(const struct device_node *np)
return num;
}
+#ifdef CONFIG_OF
+#define _OF_DECLARE(table, name, compat, fn, fn_type) \
+ static const struct of_device_id __of_table_##name \
+ __used __section(__##table##_of_table) \
+ = { .compatible = compat, \
+ .data = (fn == (fn_type)NULL) ? fn : fn }
+#else
+#define _OF_DECLARE(table, name, compat, fn, fn_type) \
+ static const struct of_device_id __of_table_##name \
+ __attribute__((unused)) \
+ = { .compatible = compat, \
+ .data = (fn == (fn_type)NULL) ? fn : fn }
+#endif
+
+typedef int (*of_init_fn_2)(struct device_node *, struct device_node *);
+typedef void (*of_init_fn_1)(struct device_node *);
+
+#define OF_DECLARE_1(table, name, compat, fn) \
+ _OF_DECLARE(table, name, compat, fn, of_init_fn_1)
+#define OF_DECLARE_2(table, name, compat, fn) \
+ _OF_DECLARE(table, name, compat, fn, of_init_fn_2)
+
#endif /* _LINUX_OF_H */