USB2_HUB_PORT_STATUS_POWER 306 uspace/drv/bus/usb/ehci/ehci_rh.c EHCI2USB(reg, USB_PORTSC_PORT_POWER_FLAG, USB2_HUB_PORT_STATUS_POWER) | USB2_HUB_PORT_STATUS_POWER 248 uspace/drv/bus/usb/uhci/uhci_rh.c UHCI2USB(val, STATUS_ALWAYS_ONE, USB2_HUB_PORT_STATUS_POWER) |HelenOS homepage, sources at GitHub