linux-kernel - [PATCH RFC 01/13] i2c: add dummy inline functions for when CONFIG_OF_I2C(

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Date:	Mon, 10 Dec 2012 20:41:27 +0100
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	g.liakhovetski@....de, linux-media@...r.kernel.org
Cc:	grant.likely@...retlab.ca, rob.herring@...xeda.com,
	thomas.abraham@...aro.org, t.figa@...sung.com,
	sw0312.kim@...sung.com, kyungmin.park@...sung.com,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH RFC 01/13] i2c: add dummy inline functions for when
 CONFIG_OF_I2C(_MODULE) isn't defined

From: Guennadi Liakhovetski <g.liakhovetski@....de>

If CONFIG_OF_I2C and CONFIG_OF_I2C_MODULE are undefined no declaration of
of_find_i2c_device_by_node and of_find_i2c_adapter_by_node will be
available. Add dummy inline functions to avoid compilation breakage.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@....de>
---
 include/linux/of_i2c.h |   12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/of_i2c.h b/include/linux/of_i2c.h
index 1cb775f..cfb545c 100644
--- a/include/linux/of_i2c.h
+++ b/include/linux/of_i2c.h
@@ -29,6 +29,18 @@ static inline void of_i2c_register_devices(struct i2c_adapter *adap)
 {
 	return;
 }
+
+static inline struct i2c_client *of_find_i2c_device_by_node(struct device_node *node)
+{
+	return NULL;
+}
+
+/* must call put_device() when done with returned i2c_adapter device */
+static inline struct i2c_adapter *of_find_i2c_adapter_by_node(
+						struct device_node *node)
+{
+	return NULL;
+}
 #endif /* CONFIG_OF_I2C */
 
 #endif /* __LINUX_OF_I2C_H */
-- 
1.7.9.5

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