USB: serial: omninet.c: remove dbg() usage

dbg() was a very old USB-serial-specific macro.
This patch removes it from being used in the
driver and uses dev_dbg() instead.

CC: Johan Hovold <jhovold@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Alan Stern <stern@rowland.harvard.edu>
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/serial/omninet.c

@@ -167,7 +167,7 @@ static void omninet_read_bulk_callback(struct urb *urb)
 	int i;
 
 	if (status) {
-		dbg("%s - nonzero read bulk status received: %d",
+		dev_dbg(&port->dev, "%s - nonzero read bulk status received: %d\n",
 			__func__, status);
 		return;
 	}
@@ -212,12 +212,12 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
 	int			result;
 
 	if (count == 0) {
-		dbg("%s - write request of 0 bytes", __func__);
+		dev_dbg(&port->dev, "%s - write request of 0 bytes\n", __func__);
 		return 0;
 	}
 
 	if (!test_and_clear_bit(0, &port->write_urbs_free)) {
-		dbg("%s - already writing", __func__);
+		dev_dbg(&port->dev, "%s - already writing\n", __func__);
 		return 0;
 	}
 
@@ -261,7 +261,7 @@ static int omninet_write_room(struct tty_struct *tty)
 	if (test_bit(0, &wport->write_urbs_free))
 		room = wport->bulk_out_size - OMNINET_HEADERLEN;
 
-	dbg("%s - returns %d", __func__, room);
+	dev_dbg(&port->dev, "%s - returns %d\n", __func__, room);
 
 	return room;
 }
@@ -275,7 +275,7 @@ static void omninet_write_bulk_callback(struct urb *urb)
 
 	set_bit(0, &port->write_urbs_free);
 	if (status) {
-		dbg("%s - nonzero write bulk status received: %d",
+		dev_dbg(&port->dev, "%s - nonzero write bulk status received: %d\n",
 			__func__, status);
 		return;
 	}