This patch is against each libata driver.
Two IRQ calls are added in ata_port_operations.
- irq_on() is used to enable interrupts.
- irq_ack() is used to acknowledge a device interrupt.
In most drivers, ata_irq_on() and ata_irq_ack() are used for
irq_on and irq_ack respectively.
In some drivers (ex: ahci, sata_sil24) which cannot use them
as is, ata_dummy_irq_on() and ata_dummy_irq_ack() are used.
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
 
        .irq_handler            = ahci_interrupt,
        .irq_clear              = ahci_irq_clear,
+       .irq_on                 = ata_dummy_irq_on,
+       .irq_ack                = ata_dummy_irq_ack,
 
        .scr_read               = ahci_scr_read,
        .scr_write              = ahci_scr_write,
 
        .irq_handler            = ahci_interrupt,
        .irq_clear              = ahci_irq_clear,
+       .irq_on                 = ata_dummy_irq_on,
+       .irq_ack                = ata_dummy_irq_ack,
 
        .scr_read               = ahci_scr_read,
        .scr_write              = ahci_scr_write,
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = it821x_port_start,
 };
 
        .irq_clear      = ata_bmdma_irq_clear,
        .irq_handler    = ata_interrupt,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = it821x_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ixp4xx_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 
 
        /* IRQ-related hooks */
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        /* Generic PATA PCI ATA helpers */
        .port_start             = ata_port_start,
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        /* Timeout handling */
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        /* Generic PATA PCI ATA helpers */
        .port_start             = ata_port_start,
 
        .data_xfer              = ata_data_xfer,
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .port_start             = ata_port_start,
 };
 
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        /* IRQ-related hooks */
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        /* Generic PATA PCI ATA helpers */
        .port_start             = ata_port_start,
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
 
        .irq_handler    = ata_interrupt,
        .irq_clear      = ata_bmdma_irq_clear,
+       .irq_on         = ata_irq_on,
+       .irq_ack        = ata_irq_ack,
 
        .port_start     = ata_port_start,
 };
 
        .data_xfer              = ata_data_xfer,
        .irq_handler            = adma_intr,
        .irq_clear              = adma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .port_start             = adma_port_start,
        .port_stop              = adma_port_stop,
        .host_stop              = adma_host_stop,
 
 
        .irq_handler            = inic_interrupt,
        .irq_clear              = inic_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .qc_prep                = ata_qc_prep,
        .qc_issue               = inic_qc_issue,
 
 
        .irq_handler            = mv_interrupt,
        .irq_clear              = mv_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = mv5_scr_read,
        .scr_write              = mv5_scr_write,
 
        .irq_handler            = mv_interrupt,
        .irq_clear              = mv_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = mv_scr_read,
        .scr_write              = mv_scr_write,
 
        .irq_handler            = mv_interrupt,
        .irq_clear              = mv_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = mv_scr_read,
        .scr_write              = mv_scr_write,
 
        .data_xfer              = ata_data_xfer,
        .irq_handler            = nv_generic_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = nv_scr_read,
        .scr_write              = nv_scr_write,
        .port_start             = ata_port_start,
        .data_xfer              = ata_data_xfer,
        .irq_handler            = nv_nf2_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = nv_scr_read,
        .scr_write              = nv_scr_write,
        .port_start             = ata_port_start,
        .data_xfer              = ata_data_xfer,
        .irq_handler            = nv_ck804_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = nv_scr_read,
        .scr_write              = nv_scr_write,
        .port_start             = ata_port_start,
        .data_xfer              = ata_data_xfer,
        .irq_handler            = nv_adma_interrupt,
        .irq_clear              = nv_adma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = nv_scr_read,
        .scr_write              = nv_scr_write,
        .port_start             = nv_adma_port_start,
 
        .data_xfer              = ata_data_xfer,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = pdc_sata_scr_read,
        .scr_write              = pdc_sata_scr_write,
        .data_xfer              = ata_data_xfer,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = pdc_sata_scr_read,
        .scr_write              = pdc_sata_scr_write,
        .eng_timeout            = pdc_eng_timeout,
        .irq_handler            = pdc_interrupt,
        .irq_clear              = pdc_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = pdc_port_start,
 };
 
        .eng_timeout            = qs_eng_timeout,
        .irq_handler            = qs_intr,
        .irq_clear              = qs_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = qs_scr_read,
        .scr_write              = qs_scr_write,
        .port_start             = qs_port_start,
 
        .post_internal_cmd      = ata_bmdma_post_internal_cmd,
        .irq_handler            = sil_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = sil_scr_read,
        .scr_write              = sil_scr_write,
        .port_start             = ata_port_start,
 
 
        .irq_handler            = sil24_interrupt,
        .irq_clear              = sil24_irq_clear,
+       .irq_on                 = ata_dummy_irq_on,
+       .irq_ack                = ata_dummy_irq_ack,
 
        .scr_read               = sil24_scr_read,
        .scr_write              = sil24_scr_write,
 
        .post_internal_cmd      = ata_bmdma_post_internal_cmd,
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = sis_scr_read,
        .scr_write              = sis_scr_write,
        .port_start             = ata_port_start,
 
        .post_internal_cmd      = ata_bmdma_post_internal_cmd,
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = k2_sata_scr_read,
        .scr_write              = k2_sata_scr_write,
        .port_start             = ata_port_start,
 
        .eng_timeout            = pdc_eng_timeout,
        .irq_handler            = pdc20621_interrupt,
        .irq_clear              = pdc20621_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .port_start             = pdc_port_start,
 };
 
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = uli_scr_read,
        .scr_write              = uli_scr_write,
 
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = ata_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .port_start             = vt6421_port_start,
 };
 
        .irq_handler            = ata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
 
        .scr_read               = svia_scr_read,
        .scr_write              = svia_scr_write,
 
        .post_internal_cmd      = ata_bmdma_post_internal_cmd,
        .irq_handler            = vsc_sata_interrupt,
        .irq_clear              = ata_bmdma_irq_clear,
+       .irq_on                 = ata_irq_on,
+       .irq_ack                = ata_irq_ack,
        .scr_read               = vsc_sata_scr_read,
        .scr_write              = vsc_sata_scr_write,
        .port_start             = ata_port_start,