Symbol: PIIX_UDMACTL_DRV_EN
sys/dev/pci/pciide.c
3052
udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) |
sys/dev/pci/pciide.c
3126
udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive);