USB: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index ddaccbc..7cea325 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -49,15 +49,15 @@
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
 		dbg("%s - urb shutting down with status: %d",
-		    __FUNCTION__, status);
+		    __func__, status);
 		return;
 	default:
 		dbg("%s - nonzero urb status received: %d",
-		    __FUNCTION__, status);
+		    __func__, status);
 		goto exit;
 	}
 
-	usb_serial_debug_data(debug, &port->dev, __FUNCTION__,
+	usb_serial_debug_data(debug, &port->dev, __func__,
 			      urb->actual_length, data);
 
 	tty = port->tty;
@@ -72,29 +72,29 @@
 	if (result)
 		dev_err(&urb->dev->dev,
 			"%s - Error %d submitting interrupt urb\n",
-			__FUNCTION__, result);
+			__func__, result);
 }
 
 static int navman_open(struct usb_serial_port *port, struct file *filp)
 {
 	int result = 0;
 
-	dbg("%s - port %d", __FUNCTION__, port->number);
+	dbg("%s - port %d", __func__, port->number);
 
 	if (port->interrupt_in_urb) {
-		dbg("%s - adding interrupt input for treo", __FUNCTION__);
+		dbg("%s - adding interrupt input for treo", __func__);
 		result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 		if (result)
 			dev_err(&port->dev,
 				"%s - failed submitting interrupt urb, error %d\n",
-				__FUNCTION__, result);
+				__func__, result);
 	}
 	return result;
 }
 
 static void navman_close(struct usb_serial_port *port, struct file *filp)
 {
-	dbg("%s - port %d", __FUNCTION__, port->number);
+	dbg("%s - port %d", __func__, port->number);
 
 	usb_kill_urb(port->interrupt_in_urb);
 }
@@ -102,7 +102,7 @@
 static int navman_write(struct usb_serial_port *port,
 			const unsigned char *buf, int count)
 {
-	dbg("%s - port %d", __FUNCTION__, port->number);
+	dbg("%s - port %d", __func__, port->number);
 
 	/*
 	 * This device can't write any data, only read from the device