INTERRUPT_ENABLE
writel(0x01, idev->base + INTERRUPT_ENABLE);
writel(INT_MST | INT_SLV, idev->base + INTERRUPT_ENABLE);
writel(INT_MST, idev->base + INTERRUPT_ENABLE);
#define DESCRIPTOR_FLAG_MSK (END_OF_CHAIN | INTERRUPT_ENABLE | WRITE_TO_PCI)
(to_pci ? WRITE_TO_PCI : 0) | INTERRUPT_ENABLE;
d->next_l = direction | INTERRUPT_ENABLE | END_OF_CHAIN;
d->next_l = (u32)next->bus | direction | INTERRUPT_ENABLE;
d->next_l |= INTERRUPT_ENABLE;
d->next_l &= ~INTERRUPT_ENABLE;
ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE);
ddbwritel(dev, 0x0fffff00, INTERRUPT_ENABLE);
ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE);
ddbwritel(dev, 0, INTERRUPT_ENABLE);