--- drivers/ata/ahci.c

+++ drivers/ata/ahci.c

@@ -3037,6 +3037,16 @@ static int ahci_init_one(struct pci_dev

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;

+

/* acquire resources */

rc = pcim_enable_device(pdev);

if (rc)