i2c-dev: Delete empty detach_client callback

Implementing detach_client is optional, so there is no point in
an empty implementation.

Likewise, i2c driver IDs are optional, and we don't need one.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

2 files changed, 0 insertions, 9 deletions

diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index e96d98696782..50df53640c78 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -548,19 +548,12 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap)
         return 0;
 }
 
-static int i2cdev_detach_client(struct i2c_client *client)
-{
-        return 0;
-}
-
 static struct i2c_driver i2cdev_driver = {
         .driver = {
                 .name   = "dev_driver",
         },
-        .id             = I2C_DRIVERID_I2CDEV,
         .attach_adapter = i2cdev_attach_adapter,
         .detach_adapter = i2cdev_detach_adapter,
-        .detach_client  = i2cdev_detach_client,
 };
 
 /* ------------------------------------------------------------------------- */
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index 988e566d3ed5..ef13b7c66df3 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -91,8 +91,6 @@
 #define I2C_DRIVERID_M52790     95      /* Mitsubishi M52790SP/FP AV switch */
 #define I2C_DRIVERID_CS5345     96      /* cs5345 audio processor       */
 
-#define I2C_DRIVERID_I2CDEV     900
-
 #define I2C_DRIVERID_OV7670 1048        /* Omnivision 7670 camera */
 
 /*