linux-kernel - [PATCH] dt: Add empty of_match

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Date:	Mon, 24 Oct 2011 11:53:32 +0200
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	robherring2@...il.com, grant.likely@...retlab.ca
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree-discuss@...ts.ozlabs.org,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH] dt: Add empty of_match_node() macro

Add an empty macro for of_match_node() that will save
some '#ifdef CONFIG_OF' for non-dt builds.

I have chosen to use a macro instead of a function to
be able to avoid defining the first parameter.
In fact, this "struct of_device_id *" first parameter
is usualy not defined as well on non-dt builds.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 include/linux/of.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/of.h b/include/linux/of.h
index 736b747..92c40a1 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -303,6 +303,7 @@ static inline struct device_node *of_parse_phandle(struct device_node *np,
 }
 
 #define of_match_ptr(_ptr)	NULL
+#define of_match_node(_matches, _node)	NULL
 #endif /* CONFIG_OF */
 
 static inline int of_property_read_u32(const struct device_node *np,
-- 
1.7.5.4

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