i2c: Use the driver model reference counting

Don't implement our own reference counting mechanism for i2c clients
when the driver model already has one.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>

1 files changed, 0 insertions, 3 deletions

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 37c14b08d61a..f7cd2f370c39 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -155,7 +155,6 @@ struct i2c_driver {
  *      generic enough to hide second-sourcing and compatible revisions.
  * @adapter: manages the bus segment hosting this I2C device
  * @driver: device's driver, hence pointer to access routines
- * @usage_count: counts current number of users of this client
  * @dev: Driver model device node for the slave.
  * @irq: indicates the IRQ generated by this device (if any)
  * @driver_name: Identifies new-style driver used with this device; also
@@ -175,8 +174,6 @@ struct i2c_client {
         char name[I2C_NAME_SIZE];
         struct i2c_adapter *adapter;    /* the adapter we sit on        */
         struct i2c_driver *driver;      /* and our access routines      */
-        int usage_count;                /* How many accesses currently  */
-                                        /* to the client                */
         struct device dev;              /* the device structure         */
         int irq;                        /* irq issued by device (or -1) */
         char driver_name[KOBJ_NAME_LEN];