1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6dc462105688..7f701cbe14ab 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -105,7 +105,7 @@ enum {
         board_ahci_ign_iferr    = 2,
         board_ahci_sb600        = 3,
         board_ahci_mv           = 4,
-        board_ahci_sb700        = 5,
+        board_ahci_sb700        = 5, /* for SB700 and SB800 */
         board_ahci_mcp65        = 6,
         board_ahci_nopmp        = 7,
 
@@ -439,7 +439,7 @@ static const struct ata_port_info ahci_port_info[] = {
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &ahci_ops,
         },
-        /* board_ahci_sb700 */
+        /* board_ahci_sb700, for SB700 and SB800 */
         {
                 AHCI_HFLAGS     (AHCI_HFLAG_IGN_SERR_INTERNAL),
                 .flags          = AHCI_FLAG_COMMON,
@@ -2612,6 +2612,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
             (pdev->revision == 0xa1 || pdev->revision == 0xa2))
                 hpriv->flags |= AHCI_HFLAG_NO_MSI;
 
+        /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
+        if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
+                hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
+
         if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
                 pci_intx(pdev, 1);