auxdisplay: charlcd: no need to call charlcd_gotoxy() if nothing changes

If the line extends beyond the width to the screen, nothing changes. The
existing code will call charlcd_gotoxy every time for this case.
Signed-off-by: NSean Young <sean@mess.org>
Reviewed-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NMiguel Ojeda <miguel.ojeda.sandonis@gmail.com>

drivers/auxdisplay/charlcd.c

@@ -192,10 +192,11 @@ static void charlcd_print(struct charlcd *lcd, char c)
 			c = lcd->char_conv[(unsigned char)c];
 		lcd->ops->write_data(lcd, c);
 		priv->addr.x++;
+
+		/* prevents the cursor from wrapping onto the next line */
+		if (priv->addr.x == lcd->bwidth)
+			charlcd_gotoxy(lcd);
 	}
-	/* prevents the cursor from wrapping onto the next line */
-	if (priv->addr.x == lcd->bwidth)
-		charlcd_gotoxy(lcd);
 }
 
 static void charlcd_clear_fast(struct charlcd *lcd)