VT8500_ICDC
dctr = readb(base + VT8500_ICDC + d->hwirq);
writeb(dctr, base + VT8500_ICDC + d->hwirq);
writeb(VT8500_INT_DISABLE | ICDC_IRQ, base + VT8500_ICDC + i);
dctr = readb(base + VT8500_ICDC + d->hwirq);
writeb(dctr, base + VT8500_ICDC + d->hwirq);
dctr = readb(base + VT8500_ICDC + d->hwirq);
writeb(dctr, base + VT8500_ICDC + d->hwirq);