hwif->ide_dma_test_irq = &sgiioc4_ide_dma_test_irq;
hwif->dma_host_on = &sgiioc4_dma_host_on;
hwif->dma_host_off = &sgiioc4_dma_host_off;
hwif->ide_dma_test_irq = &sgiioc4_ide_dma_test_irq;
hwif->dma_host_on = &sgiioc4_dma_host_on;
hwif->dma_host_off = &sgiioc4_dma_host_off;