PIPE_CONTROL 1640 include/linux/usb.h #define usb_pipecontrol(pipe) (usb_pipetype((pipe)) == PIPE_CONTROL) PIPE_CONTROL 1659 include/linux/usb.h ((PIPE_CONTROL << 30) | __create_pipe(dev, endpoint)) PIPE_CONTROL 1661 include/linux/usb.h ((PIPE_CONTROL << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)