PCI113X_CBCTRL_PCI_INTR
cbctrl |= PCI113X_CBCTRL_PCI_INTR;
reg &= ~PCI113X_CBCTRL_PCI_INTR;
cbctl &= ~(PCI113X_CBCTRL_PCI_INTR | PCI113X_CBCTRL_INT_MASK);