HelenOS sources
C_CLE 236 uspace/drv/bus/usb/ohci/hc.c OHCI_CLR(instance->registers->control, C_CLE);
C_CLE 239 uspace/drv/bus/usb/ohci/hc.c OHCI_SET(instance->registers->control, C_CLE);
C_CLE 269 uspace/drv/bus/usb/ohci/hc.c OHCI_CLR(instance->registers->control, C_CLE);
C_CLE 272 uspace/drv/bus/usb/ohci/hc.c OHCI_SET(instance->registers->control, C_CLE);
C_CLE 536 uspace/drv/bus/usb/ohci/hc.c OHCI_SET(instance->registers->control, (C_PLE | C_IE | C_CLE | C_BLE));
HelenOS homepage, sources at GitHub