i2c: sh_mobile: manually "inline" two short functions

Those two functions are very short and only called once. The code
becomes easier to understand if the code is directly put into the main
xfer function.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-sh_mobile.c

@@ -298,23 +298,6 @@ static int sh_mobile_i2c_init(struct sh_mobile_i2c_data *pd)
 	return 0;
 }
 
-static void activate_ch(struct sh_mobile_i2c_data *pd)
-{
-	/* Wake up device and enable clock */
-	pm_runtime_get_sync(pd->dev);
-	clk_prepare_enable(pd->clk);
-}
-
-static void deactivate_ch(struct sh_mobile_i2c_data *pd)
-{
-	/* Disable channel */
-	iic_set_clr(pd, ICCR, 0, ICCR_ICE);
-
-	/* Disable clock and mark device as idle */
-	clk_disable_unprepare(pd->clk);
-	pm_runtime_put_sync(pd->dev);
-}
-
 static unsigned char i2c_op(struct sh_mobile_i2c_data *pd,
 			    enum sh_mobile_i2c_op op, unsigned char data)
 {
@@ -717,7 +700,9 @@ static int sh_mobile_i2c_xfer(struct i2c_adapter *adapter,
 	int i;
 	long timeout;
 
-	activate_ch(pd);
+	/* Wake up device and enable clock */
+	pm_runtime_get_sync(pd->dev);
+	clk_prepare_enable(pd->clk);
 
 	/* Process all messages */
 	for (i = 0; i < num; i++) {
@@ -754,7 +739,12 @@ static int sh_mobile_i2c_xfer(struct i2c_adapter *adapter,
 			break;
 	}
 
-	deactivate_ch(pd);
+	/* Disable channel */
+	iic_set_clr(pd, ICCR, 0, ICCR_ICE);
+
+	/* Disable clock and mark device as idle */
+	clk_disable_unprepare(pd->clk);
+	pm_runtime_put_sync(pd->dev);
 
 	if (!err)
 		err = num;