From: Jean Delvare Subject: [PATCH] i2c: Constify i2c_get_clientdata's parameter (v2) Date: Sun, 19 Oct 2008 13:16:42 +0200 Message-ID: <20081019131642.363efc74@hyperion.delvare> References: <20081018142746.1b5321da@hyperion.delvare> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20081018142746.1b5321da-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org Errors-To: i2c-bounces-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org To: Linux I2C List-Id: linux-i2c@vger.kernel.org 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 --- 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 _______________________________________________ i2c mailing list i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org http://lists.lm-sensors.org/mailman/listinfo/i2c