3 files changed, 17 insertions, 0 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 8ca16f54e1ed..f2522534ae63 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1053,6 +1053,16 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
                 return -ENODEV;
 
+        /*
+         * For some reason, MCP89 on MacBook 7,1 doesn't work with
+         * ahci, use ata_generic instead.
+         */
+        if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
+            pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
+            pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
+            pdev->subsystem_device == 0xcb89)
+                return -ENODEV;
+
         /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
          * At the moment, we can only use the AHCI mode. Let the users know
          * that for SAS drives they're out of luck.
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 573158a9668d..d4ccf74c4c94 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -168,6 +168,12 @@ static struct pci_device_id ata_generic[] = {
         { PCI_DEVICE(PCI_VENDOR_ID_VIA,    PCI_DEVICE_ID_VIA_82C561), },
         { PCI_DEVICE(PCI_VENDOR_ID_OPTI,   PCI_DEVICE_ID_OPTI_82C558), },
         { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), },
+        /*
+         * For some reason, MCP89 on MacBook 7,1 doesn't work with
+         * ahci, use ata_generic instead.
+         */
+        { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA,
+          PCI_VENDOR_ID_APPLE, 0xcb89, },
 #if !defined(CONFIG_PATA_TOSHIBA) && !defined(CONFIG_PATA_TOSHIBA_MODULE)
         { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), },
         { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2),  },
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4eb467910a45..3bedcc149c84 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1261,6 +1261,7 @@
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE       0x0759
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_SMBUS     0x07D8
 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS     0x0AA2
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA      0x0D85
 
 #define PCI_VENDOR_ID_IMS               0x10e0
 #define PCI_DEVICE_ID_IMS_TT128         0x9128