1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c
index 49d705c9f0f7..6c9aa95a9a05 100644
--- a/drivers/ata/pata_atiixp.c
+++ b/drivers/ata/pata_atiixp.c
@@ -278,6 +278,11 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         };
         const struct ata_port_info *ppi[] = { &info, &info };
 
+        /* SB600/700 don't have secondary port wired */
+        if ((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE) ||
+                (pdev->device == PCI_DEVICE_ID_ATI_IXP700_IDE))
+                ppi[1] = &ata_dummy_port_info;
+
         return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL,
                                       ATA_HOST_PARALLEL_SCAN);
 }