req_nop 610 uspace/drv/bus/usb/ehci/ehci_rh.c .callback = req_nop, req_nop 529 uspace/drv/bus/usb/ohci/ohci_rh.c .callback = req_nop, req_nop 471 uspace/drv/bus/usb/uhci/uhci_rh.c .callback = req_nop, req_nop 499 uspace/drv/bus/usb/uhci/uhci_rh.c .callback = req_nop, req_nop 241 uspace/lib/usbvirt/include/usbvirt/device.h extern errno_t req_nop(usbvirt_device_t *device,HelenOS homepage, sources at GitHub