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 <[EMAIL PROTECTED]>
---
 Documentation/i2c/writing-clients |    2 +-
 include/linux/device.h            |    2 +-
 include/linux/i2c.h               |    4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

--- linux-2.6.28-rc0.orig/include/linux/i2c.h   2008-10-18 14:28:44.000000000 
+0200
+++ linux-2.6.28-rc0/include/linux/i2c.h        2008-10-19 12:34:02.000000000 
+0200
@@ -224,7 +224,7 @@ static inline struct i2c_client *kobj_to
        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);
 }
--- linux-2.6.28-rc0.orig/include/linux/device.h        2008-10-18 
14:28:44.000000000 +0200
+++ linux-2.6.28-rc0/include/linux/device.h     2008-10-18 14:30:48.000000000 
+0200
@@ -450,7 +450,7 @@ static inline void set_dev_node(struct d
 }
 #endif
 
-static inline void *dev_get_drvdata(struct device *dev)
+static inline void *dev_get_drvdata(const struct device *dev)
 {
        return dev->driver_data;
 }
--- linux-2.6.28-rc0.orig/Documentation/i2c/writing-clients     2008-10-18 
14:32:48.000000000 +0200
+++ linux-2.6.28-rc0/Documentation/i2c/writing-clients  2008-10-19 
12:33:42.000000000 +0200
@@ -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.
 

-- 
Jean Delvare

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