[PATCH] of: Make of_match_node() an inline stub for CONFIG_OF=n

From: Florian Fainelli
Date: Thu Apr 06 2017 - 15:32:59 EST


Make of_match_node() an inline function when CONFIG_OF=n which allows the
compiler to eliminate warnings about unused variables.

Suggested-by: Andrew Lunn <andrew@xxxxxxx>
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
include/linux/of.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/of.h b/include/linux/of.h
index 21e6323de0f3..2803a85e81ec 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -839,7 +839,11 @@ static inline void of_property_clear_flag(struct property *p, unsigned long flag
}

#define of_match_ptr(_ptr) NULL
-#define of_match_node(_matches, _node) NULL
+static inline const struct of_device_id *of_match_node(
+ const struct of_device_id *matches, const struct device_node *node)
+{
+ return NULL;
+}
#endif /* CONFIG_OF */

/* Default string compare functions, Allow arch asm/prom.h to override */
--
2.9.3