i2c: davinci: reword according to newest specification

Change the wording of this driver wrt. the newest I2C v7 and SMBus 3.2
specifications and replace "master/slave" with more appropriate terms.
Remove and reword comments while here.

Signed-off-by: Wolfram Sang <[e-mail]>
Acked-by: Bartosz Golaszewski <[e-mail]>
Reviewed-by: Andi Shyti <[e-mail]>
Signed-off-by: Andi Shyti <[e-mail]>

drivers/i2c/busses/i2c-davinci.c

···
 	/* compute clock dividers */
 	i2c_davinci_calc_clk_dividers(dev);
 
-	/* Respond at reserved "SMBus Host" slave address" (and zero);
+	/* Respond at reserved "SMBus Host" target address" (and zero);
 	 * we seem to have no option to not respond...
 	 */
 	davinci_i2c_write_reg(dev, DAVINCI_I2C_OAR_REG, DAVINCI_I2C_OWN_ADDRESS);
···
 }
 
 /*
- * Low level master read/write transaction. This function is called
- * from i2c_davinci_xfer.
+ * Low level read/write transaction. This function is called from
+ * i2c_davinci_xfer.
  */
 static int
 i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
···
 	if (pdata->bus_delay)
 		udelay(pdata->bus_delay);
 
-	/* set the slave address */
+	/* set the target address */
 	davinci_i2c_write_reg(dev, DAVINCI_I2C_SAR_REG, msg->addr);
 
 	dev->buf = msg->buf;
···
 	reinit_completion(&dev->cmd_complete);
 	dev->cmd_err = 0;
 
-	/* Take I2C out of reset and configure it as master */
+	/* Take I2C out of reset and configure it as controller */
 	flag = DAVINCI_I2C_MDR_IRS | DAVINCI_I2C_MDR_MST;
 
-	/* if the slave address is ten bit address, enable XA bit */
 	if (msg->flags & I2C_M_TEN)
 		flag |= DAVINCI_I2C_MDR_XA;
 	if (!(msg->flags & I2C_M_RD))
···
 			break;
 
 		case DAVINCI_I2C_IVR_AAS:
-			dev_dbg(dev->dev, "Address as slave interrupt\n");
+			dev_dbg(dev->dev, "Address as target interrupt\n");
 			break;
 
 		default:
···
 #endif
 
 static const struct i2c_algorithm i2c_davinci_algo = {
-	.master_xfer	= i2c_davinci_xfer,
-	.functionality	= i2c_davinci_func,
+	.xfer = i2c_davinci_xfer,
+	.functionality = i2c_davinci_func,
 };
 
 static const struct of_device_id davinci_i2c_of_match[] = {