MHI_BHI_INTVEC
qwx_pci_write(sc, psc->bhi_off + MHI_BHI_INTVEC, 0x00);
qwx_pci_write(sc, psc->bhi_off + MHI_BHI_INTVEC, 0x00);
qwz_pci_write(sc, psc->bhi_off + MHI_BHI_INTVEC, 0x00);
qwz_pci_write(sc, psc->bhi_off + MHI_BHI_INTVEC, 0x00);