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>
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index d73ee11..3b01350 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -83,7 +83,7 @@
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.