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i2c: Constify i2c_get_clientdata's parameter 

i2c_get_clientdata doesn't change the i2c_client it is passed as a
parameter, so it can be constified. Same for i2c_get_adapdata.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare 2008-10-22 20:21:31 +02:00
parent d955cafb5c
commit 7d1d8999b4
3 changed files with 4 additions and 4 deletions
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2
Documentation/i2c/writing-clients
View File

@ -83,7 +83,7 @@ be very useful.
void i2c_set_clientdata(struct i2c_client *client, void *data);
/* retrieve the value */
void *i2c_get_clientdata(struct i2c_client *client);
void *i2c_get_clientdata(const struct i2c_client *client);
An example structure is below.

2
include/linux/device.h
View File

@ -450,7 +450,7 @@ static inline void set_dev_node(struct device *dev, int node)
}
#endif
static inline void *dev_get_drvdata(struct device *dev)
static inline void *dev_get_drvdata(const struct device *dev)
{
return dev->driver_data;
}

4
include/linux/i2c.h
View File

@ -224,7 +224,7 @@ static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
return to_i2c_client(dev);
}
static inline void *i2c_get_clientdata (struct i2c_client *dev)
static inline void *i2c_get_clientdata(const struct i2c_client *dev)
{
return dev_get_drvdata (&dev->dev);
}
@ -369,7 +369,7 @@ struct i2c_adapter {
};
#define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)
static inline void *i2c_get_adapdata (struct i2c_adapter *dev)
static inline void *i2c_get_adapdata(const struct i2c_adapter *dev)
{
return dev_get_drvdata (&dev->dev);
}