USB: ub: use USB API functions rather than constants

This set of patches introduces calls to the following set of functions:

usb_endpoint_dir_in(epd)
usb_endpoint_dir_out(epd)
usb_endpoint_is_bulk_in(epd)
usb_endpoint_is_bulk_out(epd)
usb_endpoint_is_int_in(epd)
usb_endpoint_is_int_out(epd)
usb_endpoint_num(epd)
usb_endpoint_type(epd)
usb_endpoint_xfer_bulk(epd)
usb_endpoint_xfer_control(epd)
usb_endpoint_xfer_int(epd)
usb_endpoint_xfer_isoc(epd)

In some cases, introducing one of these functions is not possible, and it
just replaces an explicit integer value by one of the following constants:

USB_ENDPOINT_XFER_BULK
USB_ENDPOINT_XFER_CONTROL
USB_ENDPOINT_XFER_INT
USB_ENDPOINT_XFER_ISOC

An extract of the semantic patch that makes these changes is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@r1@ struct usb_endpoint_descriptor *epd; @@

- ((epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\)) ==
- \(USB_ENDPOINT_XFER_CONTROL\|0\))
+ usb_endpoint_xfer_control(epd)

@r5@ struct usb_endpoint_descriptor *epd; @@

- ((epd->bEndpointAddress & \(USB_ENDPOINT_DIR_MASK\|0x80\)) ==
-  \(USB_DIR_IN\|0x80\))
+ usb_endpoint_dir_in(epd)

@inc@
@@

#include <linux/usb.h>

@depends on !inc && (r1||r5)@
@@

+ #include <linux/usb.h>
  #include <linux/usb/...>
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/block/ub.c

@@ -2146,10 +2146,9 @@ static int ub_get_pipes(struct ub_dev *sc, struct usb_device *dev,
 		ep = &altsetting->endpoint[i].desc;
 
 		/* Is it a BULK endpoint? */
-		if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
-				== USB_ENDPOINT_XFER_BULK) {
+		if (usb_endpoint_xfer_bulk(ep)) {
 			/* BULK in or out? */
-			if (ep->bEndpointAddress & USB_DIR_IN) {
+			if (usb_endpoint_dir_in(ep)) {
 				if (ep_in == NULL)
 					ep_in = ep;
 			} else {
@@ -2168,9 +2167,9 @@ static int ub_get_pipes(struct ub_dev *sc, struct usb_device *dev,
 	sc->send_ctrl_pipe = usb_sndctrlpipe(dev, 0);
 	sc->recv_ctrl_pipe = usb_rcvctrlpipe(dev, 0);
 	sc->send_bulk_pipe = usb_sndbulkpipe(dev,
-		ep_out->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+		usb_endpoint_num(ep_out));
 	sc->recv_bulk_pipe = usb_rcvbulkpipe(dev, 
-		ep_in->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK);
+		usb_endpoint_num(ep_in));
 
 	return 0;
 }