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of/i2c: Generalize OF support

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This patch cleans up the i2c OF support code to make it selectable by
all architectures and allow for automatic registration of i2c devices.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Grant Likely 2010-06-08 07:48:18 -06:00
parent 4f0ddcb020
commit 9fd049927c
6 changed files with 47 additions and 29 deletions
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13
include/linux/of_i2c.h
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@ -12,12 +12,19 @@
#ifndef __LINUX_OF_I2C_H
#define __LINUX_OF_I2C_H
#if defined(CONFIG_OF_I2C) || defined(CONFIG_OF_I2C_MODULE)
#include <linux/i2c.h>
void of_register_i2c_devices(struct i2c_adapter *adap,
struct device_node *adap_node);
extern void of_i2c_register_devices(struct i2c_adapter *adap);
/* must call put_device() when done with returned i2c_client device */
struct i2c_client *of_find_i2c_device_by_node(struct device_node *node);
extern struct i2c_client *of_find_i2c_device_by_node(struct device_node *node);
#else
static inline void of_i2c_register_devices(struct i2c_adapter *adap)
{
return;
}
#endif /* CONFIG_OF_I2C */
#endif /* __LINUX_OF_I2C_H */