static void tower_abort_transfers (struct lego_usb_tower *dev);
static void tower_check_for_read_packet (struct lego_usb_tower *dev);
-static void tower_interrupt_in_callback (struct urb *urb, struct pt_regs *regs);
-static void tower_interrupt_out_callback (struct urb *urb, struct pt_regs *regs);
+static void tower_interrupt_in_callback (struct urb *urb);
+static void tower_interrupt_out_callback (struct urb *urb);
static int tower_probe (struct usb_interface *interface, const struct usb_device_id *id);
static void tower_disconnect (struct usb_interface *interface);
static DEFINE_MUTEX (disconnect_mutex);
/* file operations needed when we register this driver */
-static struct file_operations tower_fops = {
+static const struct file_operations tower_fops = {
.owner = THIS_MODULE,
.read = tower_read,
.write = tower_write,
tower_abort_transfers (dev);
/* free data structures */
- if (dev->interrupt_in_urb != NULL) {
- usb_free_urb (dev->interrupt_in_urb);
- }
- if (dev->interrupt_out_urb != NULL) {
- usb_free_urb (dev->interrupt_out_urb);
- }
+ usb_free_urb(dev->interrupt_in_urb);
+ usb_free_urb(dev->interrupt_out_urb);
kfree (dev->read_buffer);
kfree (dev->interrupt_in_buffer);
kfree (dev->interrupt_out_buffer);
if (dev->interrupt_in_running) {
dev->interrupt_in_running = 0;
mb();
- if (dev->interrupt_in_urb != NULL && dev->udev) {
+ if (dev->udev)
usb_kill_urb (dev->interrupt_in_urb);
- }
- }
- if (dev->interrupt_out_busy) {
- if (dev->interrupt_out_urb != NULL && dev->udev) {
- usb_kill_urb (dev->interrupt_out_urb);
- }
}
+ if (dev->interrupt_out_busy && dev->udev)
+ usb_kill_urb(dev->interrupt_out_urb);
exit:
dbg(2, "%s: leave", __FUNCTION__);
/**
* tower_interrupt_in_callback
*/
-static void tower_interrupt_in_callback (struct urb *urb, struct pt_regs *regs)
+static void tower_interrupt_in_callback (struct urb *urb)
{
struct lego_usb_tower *dev = (struct lego_usb_tower *)urb->context;
int retval;
/**
* tower_interrupt_out_callback
*/
-static void tower_interrupt_out_callback (struct urb *urb, struct pt_regs *regs)
+static void tower_interrupt_out_callback (struct urb *urb)
{
struct lego_usb_tower *dev = (struct lego_usb_tower *)urb->context;
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
- if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
- ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
- dev->interrupt_in_endpoint = endpoint;
- }
-
- if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
- ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT)) {
- dev->interrupt_out_endpoint = endpoint;
+ if (usb_endpoint_xfer_int(endpoint)) {
+ if (usb_endpoint_dir_in(endpoint))
+ dev->interrupt_in_endpoint = endpoint;
+ else
+ dev->interrupt_out_endpoint = endpoint;
}
}
if(dev->interrupt_in_endpoint == NULL) {