PIPE_INTERRUPT 1780 include/linux/usb.h #define usb_pipeint(pipe) (usb_pipetype((pipe)) == PIPE_INTERRUPT) PIPE_INTERRUPT 1804 include/linux/usb.h ((PIPE_INTERRUPT << 30) | __create_pipe(dev, endpoint)) PIPE_INTERRUPT 1806 include/linux/usb.h ((PIPE_INTERRUPT << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)