usb_sg_request 67 include/linux/mfd/rtsx_usb.h struct usb_sg_request current_sg; usb_sg_request 1733 include/linux/usb.h struct usb_sg_request *io, usb_sg_request 1742 include/linux/usb.h void usb_sg_cancel(struct usb_sg_request *io); usb_sg_request 1743 include/linux/usb.h void usb_sg_wait(struct usb_sg_request *io);