[PATCH v3 2/3] lib/vsprintf: introduce OF_DEVICE_NODE_FLAG_MAX

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introduce OF_DEVICE_NODE_FLAG_MAX for %pOF related printk.

Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: lijiazi <lijiazi@xxxxxxxxxx>
---
Changes in v3:
 - fix incorrect multi-line comment style.
 - split v2 to 3 patches.
---
 include/linux/of.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/of.h b/include/linux/of.h
index c669c0a..c5bbfa6 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -147,6 +147,13 @@ extern raw_spinlock_t devtree_lock;
 #define OF_OVERLAY		5 /* allocated for an overlay */
 #define OF_OVERLAY_FREE_CSET	6 /* in overlay cset being freed */
 
+/*
+ * add OF_DEVICE_NODE_FLAG_MAX for %pOF related printk.
+ * if there is any change on these flags, please synchronize the change
+ * to device_node_string function in lib/vsprintf.c.
+ */
+#define OF_DEVICE_NODE_FLAG_MAX 6 /* Maximum available flags */
+
 #define OF_BAD_ADDR	((u64)-1)
 
 #ifdef CONFIG_OF
-- 
2.7.4




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