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-rw-r--r--drivers/ata/ahci.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6dc4621..7f701cb 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);