i2c: Replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index c44ada5..5ece33e 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -276,12 +276,12 @@
 	switch (i2c->state) {
 
 	case STATE_IDLE:
-		dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __FUNCTION__);
+		dev_err(i2c->dev, "%s: called in STATE_IDLE\n", __func__);
 		goto out;
 		break;
 
 	case STATE_STOP:
-		dev_err(i2c->dev, "%s: called in STATE_STOP\n", __FUNCTION__);
+		dev_err(i2c->dev, "%s: called in STATE_STOP\n", __func__);
 		s3c24xx_i2c_disable_irq(i2c);		
 		goto out_ack;