[PATCH] NVMe: Recognize the MacBook9,1 NVMe controller
Carina Willbold
nvme at elfenteich.de
Mon May 16 10:52:09 PDT 2016
With this patch, the flash drive of the April 2016 MacBook9,1 12"
(A1534) is properly recognized and works just fine.
Signed-off-by: Carina Willbold <nvme at elfenteich.de>
---
drivers/nvme/host/pci.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 4fd733f..207c697 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1732,6 +1732,8 @@ static int nvme_pci_enable(struct nvme_dev *dev)
/*
* Temporary fix for the Apple controller found in the MacBook8,1 and
* some MacBook7,1 to avoid controller resets and data loss.
+ * For the controller found in the MacBook9,1 (device ID 0x2003), it
+ * seems that this workaround is not necessary.
*/
if (pdev->vendor == PCI_VENDOR_ID_APPLE && pdev->device == 0x2001) {
dev->q_depth = 2;
@@ -2181,6 +2183,7 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_IDENTIFY_CNS, },
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) },
+ { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2003) }, /* for the MacBook 9,1 */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, nvme_id_table);
--
2.8.2
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