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 usb_endpoint_dir_out(const struct usb_endpoint_descriptor * epd)12static 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 usb_endpoint_dir_in(const struct usb_endpoint_descriptor * epd)17static 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 */ usb_endpoint_xfer_int(const struct usb_endpoint_descriptor * epd)30static 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 usb_endpoint_is_int_in(const struct usb_endpoint_descriptor * epd)45static 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 usb_endpoint_is_int_out(const struct usb_endpoint_descriptor * epd)58static 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 */ 64