AHCI_FLAG_IGN_IRQ_IF_ERR        = (1 << 25), /* ignore IRQ_IF_ERR */
        AHCI_FLAG_HONOR_PI              = (1 << 26), /* honor PORTS_IMPL */
        AHCI_FLAG_IGN_SERR_INTERNAL     = (1 << 27), /* ignore SERR_INTERNAL */
+
+       AHCI_FLAG_COMMON                = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+                                         ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+                                         ATA_FLAG_SKIP_D2H_BSY,
 };
 
 struct ahci_cmd_hdr {
 static const struct ata_port_info ahci_port_info[] = {
        /* board_ahci */
        {
-               .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
-                                 ATA_FLAG_SKIP_D2H_BSY,
+               .flags          = AHCI_FLAG_COMMON,
                .pio_mask       = 0x1f, /* pio0-4 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
                .port_ops       = &ahci_ops,
        },
        /* board_ahci_pi */
        {
-               .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
-                                 ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_HONOR_PI,
+               .flags          = AHCI_FLAG_COMMON | AHCI_FLAG_HONOR_PI,
                .pio_mask       = 0x1f, /* pio0-4 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
                .port_ops       = &ahci_ops,
        },
        /* board_ahci_vt8251 */
        {
-               .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
-                                 ATA_FLAG_SKIP_D2H_BSY |
-                                 ATA_FLAG_HRST_TO_RESUME | AHCI_FLAG_NO_NCQ,
+               .flags          = AHCI_FLAG_COMMON | ATA_FLAG_HRST_TO_RESUME |
+                                 AHCI_FLAG_NO_NCQ,
                .pio_mask       = 0x1f, /* pio0-4 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
                .port_ops       = &ahci_vt8251_ops,
        },
        /* board_ahci_ign_iferr */
        {
-               .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
-                                 ATA_FLAG_SKIP_D2H_BSY |
-                                 AHCI_FLAG_IGN_IRQ_IF_ERR,
+               .flags          = AHCI_FLAG_COMMON | AHCI_FLAG_IGN_IRQ_IF_ERR,
                .pio_mask       = 0x1f, /* pio0-4 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
                .port_ops       = &ahci_ops,
        },
        /* board_ahci_sb600 */
        {
-               .sht            = &ahci_sht,
-               .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
-                                 ATA_FLAG_SKIP_D2H_BSY |
+               .flags          = AHCI_FLAG_COMMON |
                                  AHCI_FLAG_IGN_SERR_INTERNAL,
                .pio_mask       = 0x1f, /* pio0-4 */
                .udma_mask      = 0x7f, /* udma0-6 ; FIXME */
                .port_ops       = &ahci_ops,
        },
-
 };
 
 static const struct pci_device_id ahci_pci_tbl[] = {