* Bit 4 is for the primary channel, bit 5 for the secondary.
                 */
                .enablebits     = {{0x50,0x10,0x10}, {0x54,0x04,0x04}},
-               .extra          = 240,
                .port_ops       = &hpt3xx_port_ops,
                .host_flags     = IDE_HFLAGS_HPT3XX | IDE_HFLAG_SINGLE,
                .pio_mask       = ATA_PIO4,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .extra          = 240,
                .port_ops       = &hpt3xx_port_ops,
                .host_flags     = IDE_HFLAGS_HPT3XX,
                .pio_mask       = ATA_PIO4,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .extra          = 240,
                .port_ops       = &hpt3xx_port_ops,
                .host_flags     = IDE_HFLAGS_HPT3XX,
                .pio_mask       = ATA_PIO4,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .extra          = 240,
                .port_ops       = &hpt3xx_port_ops,
                .host_flags     = IDE_HFLAGS_HPT3XX,
                .pio_mask       = ATA_PIO4,
                .init_dma       = init_dma_hpt366,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
                .udma_mask      = ATA_UDMA5,
-               .extra          = 240,
                .port_ops       = &hpt3xx_port_ops,
                .host_flags     = IDE_HFLAGS_HPT3XX,
                .pio_mask       = ATA_PIO4,
                .init_hwif      = init_hwif_hpt366,
                .init_dma       = init_dma_hpt366,
                .enablebits     = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
-               .extra          = 240,
                .port_ops       = &hpt3xx_port_ops,
                .host_flags     = IDE_HFLAGS_HPT3XX,
                .pio_mask       = ATA_PIO4,
 
                .init_chipset   = init_chipset_pdc202xx, \
                .init_hwif      = init_hwif_pdc202xx, \
                .init_dma       = init_dma_pdc202xx, \
-               .extra          = 48, \
                .port_ops       = &pdc2026x_port_ops, \
                .host_flags     = IDE_HFLAGS_PDC202XX | extra_flags, \
                .pio_mask       = ATA_PIO4, \
                .init_hwif      = init_hwif_pdc202xx,
                .init_dma       = init_dma_pdc202xx,
                .port_ops       = &pdc20246_port_ops,
-               .extra          = 16,
                .host_flags     = IDE_HFLAGS_PDC202XX,
                .pio_mask       = ATA_PIO4,
                .mwdma_mask     = ATA_MWDMA2,