drivers/staging/frontier/frontier_compat.h

   1 /* USB defines for older kernels */
   2
   3 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
   4
   5 /**
   6  * usb_endpoint_dir_out - check if the endpoint has OUT direction
   7  * @epd: endpoint to be checked
   8  *
   9  * Returns true if the endpoint is of type OUT, otherwise it returns false.
  10  */
  11
  12 static inline int usb_endpoint_dir_out(const struct usb_endpoint_descriptor *epd)
  13 {
  14        return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT);
  15 }
  16
  17 static inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd)
  18 {
  19        return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN);
  20 }
  21
  22
  23 /**
  24  * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type
  25  * @epd: endpoint to be checked
  26  *
  27  * Returns true if the endpoint is of type interrupt, otherwise it returns
  28  * false.
  29  */
  30 static inline int usb_endpoint_xfer_int(const struct usb_endpoint_descriptor *epd)
  31 {
  32        return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
  33                USB_ENDPOINT_XFER_INT);
  34 }
  35
  36
  37 /**
  38  * usb_endpoint_is_int_in - check if the endpoint is interrupt IN
  39  * @epd: endpoint to be checked
  40  *
  41  * Returns true if the endpoint has interrupt transfer type and IN direction,
  42  * otherwise it returns false.
  43  */
  44
  45 static inline int usb_endpoint_is_int_in(const struct usb_endpoint_descriptor *epd)
  46 {
  47        return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd));
  48 }
  49
  50 /**
  51  * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT
  52  * @epd: endpoint to be checked
  53  *
  54  * Returns true if the endpoint has interrupt transfer type and OUT direction,
  55  * otherwise it returns false.
  56  */
  57
  58 static inline int usb_endpoint_is_int_out(const struct usb_endpoint_descriptor *epd)
  59 {
  60        return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd));
  61 }
  62
  63 #endif /* older kernel versions */