HelenOS sources

STATUS_SUSPEND    246 uspace/drv/bus/usb/uhci/uhci_rh.c 	    UHCI2USB(val, STATUS_SUSPEND, USB2_HUB_PORT_STATUS_SUSPEND) |
STATUS_SUSPEND    253 uspace/drv/bus/usb/uhci/uhci_rh.c 	    UHCI2USB(val, STATUS_SUSPEND, USB2_HUB_PORT_STATUS_C_SUSPEND) |
STATUS_SUSPEND    291 uspace/drv/bus/usb/uhci/uhci_rh.c 		pio_write_16(hub->ports[port], val & ~STATUS_SUSPEND);
STATUS_SUSPEND    367 uspace/drv/bus/usb/uhci/uhci_rh.c 		    (status & ~STATUS_WC_BITS) | STATUS_SUSPEND);
HelenOS homepage, sources at GitHub