lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

i2c: Constify i2c_get_clientdata's parameter

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/i2c/writing-clients
View File

@@ -83,7 +83,7 @@ be very useful.
void i2c_set_clientdata(struct i2c_client *client, void *data); void i2c_set_clientdata(struct i2c_client *client, void *data);
/* retrieve the value */ /* 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. 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 #endif
static inline void *dev_get_drvdata(struct device *dev) static inline void *dev_get_drvdata(const struct device *dev)
{ {
return dev->driver_data; 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); 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); 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) #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); return dev_get_drvdata (&dev->dev);
} }