struct urb *urb;
struct mutex pm_mutex;
bool is_open;
- __u8 epaddr;
char phys[64];
- unsigned char *data;
- size_t bsize;
};
static void pxrc_usb_irq(struct urb *urb)
{
struct pxrc *pxrc = urb->context;
+ u8 *data = urb->transfer_buffer;
int error;
switch (urb->status) {
}
if (urb->actual_length == 8) {
- input_report_abs(pxrc->input, ABS_X, pxrc->data[0]);
- input_report_abs(pxrc->input, ABS_Y, pxrc->data[2]);
- input_report_abs(pxrc->input, ABS_RX, pxrc->data[3]);
- input_report_abs(pxrc->input, ABS_RY, pxrc->data[4]);
- input_report_abs(pxrc->input, ABS_RUDDER, pxrc->data[5]);
- input_report_abs(pxrc->input, ABS_THROTTLE, pxrc->data[6]);
- input_report_abs(pxrc->input, ABS_MISC, pxrc->data[7]);
-
- input_report_key(pxrc->input, BTN_A, pxrc->data[1]);
+ input_report_abs(pxrc->input, ABS_X, data[0]);
+ input_report_abs(pxrc->input, ABS_Y, data[2]);
+ input_report_abs(pxrc->input, ABS_RX, data[3]);
+ input_report_abs(pxrc->input, ABS_RY, data[4]);
+ input_report_abs(pxrc->input, ABS_RUDDER, data[5]);
+ input_report_abs(pxrc->input, ABS_THROTTLE, data[6]);
+ input_report_abs(pxrc->input, ABS_MISC, data[7]);
+
+ input_report_key(pxrc->input, BTN_A, data[1]);
}
exit:
{
struct usb_device *udev = interface_to_usbdev(pxrc->intf);
struct usb_endpoint_descriptor *epirq;
+ size_t xfer_size;
+ void *xfer_buf;
unsigned int pipe;
int error;
return error;
}
- pxrc->bsize = usb_endpoint_maxp(epirq);
- pxrc->epaddr = epirq->bEndpointAddress;
- pxrc->data = devm_kmalloc(&pxrc->intf->dev, pxrc->bsize, GFP_KERNEL);
- if (!pxrc->data)
+ xfer_size = usb_endpoint_maxp(epirq);
+ xfer_buf = devm_kmalloc(&pxrc->intf->dev, xfer_size, GFP_KERNEL);
+ if (!xfer_buf)
return -ENOMEM;
usb_set_intfdata(pxrc->intf, pxrc);
if (error)
return error;
- pipe = usb_rcvintpipe(udev, pxrc->epaddr),
- usb_fill_int_urb(pxrc->urb, udev, pipe, pxrc->data, pxrc->bsize,
+ pipe = usb_rcvintpipe(udev, epirq->bEndpointAddress),
+ usb_fill_int_urb(pxrc->urb, udev, pipe, xfer_buf, xfer_size,
pxrc_usb_irq, pxrc, 1);
return 0;