HelenOS sources

USB_DEVREQ_CLEAR_FEATURE  575 uspace/drv/bus/usb/usbhub/usbhub.c 		.request = USB_DEVREQ_CLEAR_FEATURE,
USB_DEVREQ_CLEAR_FEATURE  459 uspace/drv/bus/usb/xhci/transfers.c 		if (request->request == USB_DEVREQ_CLEAR_FEATURE &&
USB_DEVREQ_CLEAR_FEATURE  222 uspace/lib/usbdev/src/request.c 	    request_type, recipient, USB_DEVREQ_CLEAR_FEATURE,
USB_DEVREQ_CLEAR_FEATURE  261 uspace/lib/usbhost/src/utility.c 	case USB_DEVREQ_CLEAR_FEATURE: /* resets only cleared ep */