[PATCH] i2c: remove *data from i2c_adapter, as dev->data should be used instead.

drivers/i2c/i2c-elv.c

@@ -150,7 +150,7 @@ static int __init i2c_bitelv_init(void)
 			return -ENODEV;
 		}
 	} else {
-		bit_elv_ops.data=(void*)base;
+		i2c_set_adapdata(&bit_elv_ops, (void *)base);
 		if (bit_elv_init()==0) {
 			if(i2c_bit_add_bus(&bit_elv_ops) < 0)
 				return -ENODEV;

drivers/i2c/scx200_acb.c

@@ -289,7 +289,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter,
 				char rw, u8 command, int size, 
 				union i2c_smbus_data *data)
 {
-	struct scx200_acb_iface *iface = adapter->data;
+	struct scx200_acb_iface *iface = i2c_get_adapdata(adapter);
 	int len;
 	u8 *buffer;
 	u16 cur_word;
@@ -455,7 +455,7 @@ static int  __init scx200_acb_create(int base, int index)
 
 	memset(iface, 0, sizeof(*iface));
 	adapter = &iface->adapter;
-	adapter->data = iface;
+	i2c_set_adapdata(adapter, iface);
 	snprintf(adapter->dev.name, DEVICE_NAME_SIZE, "SCx200 ACB%d", index);
 	adapter->owner = THIS_MODULE;
 	adapter->id = I2C_ALGO_SMBUS;

include/linux/i2c.h

@@ -219,12 +219,7 @@ struct i2c_adapter {
 	int (*client_register)(struct i2c_client *);
 	int (*client_unregister)(struct i2c_client *);
 
-	void *data;	/* private data for the adapter			*/
-			/* some data fields that are used by all types	*/
-			/* these data fields are readonly to the public	*/
-			/* and can be set via the i2c_ioctl call	*/
-
-			/* data fields that are valid for all devices	*/
+	/* data fields that are valid for all devices	*/
 	struct semaphore bus;
 	struct semaphore list;  
 	unsigned int flags;/* flags specifying div. data		*/
@@ -242,6 +237,16 @@ 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)
+{
+	return dev_get_drvdata (&dev->dev);
+}
+
+static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
+{
+	return dev_set_drvdata (&dev->dev, data);
+}
+
 /*flags for the driver struct: */
 #define I2C_DF_NOTIFY	0x01		/* notify on bus (de/a)ttaches 	*/
 #define I2C_DF_DUMMY	0x02		/* do not connect any clients */