netdev - [PATCH v2 3/3] of: Make of_match_node() an inline stub for CONFIG

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Date:   Tue, 11 Apr 2017 21:41:56 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     andrew@...n.ch, vivien.didelot@...oirfairelinux.com,
        Florian Fainelli <f.fainelli@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE)
Subject: [PATCH v2 3/3] of: Make of_match_node() an inline stub for CONFIG_OF=n

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

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 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