NV_INT_ALL
writeb(NV_INT_ALL << (ap->port_no * NV_INT_PORT_SHIFT),
writeb(NV_INT_ALL << (ap->port_no * NV_INT_PORT_SHIFT),
mask &= ~(NV_INT_ALL << shift);
iowrite8(NV_INT_ALL << shift, scr_addr + NV_INT_STATUS);
mask &= ~(NV_INT_ALL << shift);
writeb(NV_INT_ALL << shift, mmio_base + NV_INT_STATUS_CK804);