ahci: disable MSI on SAMSUNG 0xa800 SSD
authorTejun Heo <tj@kernel.org>
Thu, 4 Dec 2014 18:13:28 +0000 (13:13 -0500)
committerTejun Heo <tj@kernel.org>
Thu, 4 Dec 2014 18:18:55 +0000 (13:18 -0500)
Just like 0x1600 which got blacklisted by 66a7cbc303f4 ("ahci: disable
MSI instead of NCQ on Samsung pci-e SSDs on macbooks"), 0xa800 chokes
on NCQ commands if MSI is enabled.  Disable MSI.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dominik Mierzejewski <dominik@greysector.net>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=89171
Cc: stable@vger.kernel.org
drivers/ata/ahci.c

index 0ef0e39858a7b6329154b863d91e2f0c16e7f577..49f1e6890587e0b7f8970fe2dbdb7d879da92871 100644 (file)
@@ -495,6 +495,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         * enabled.  https://bugzilla.kernel.org/show_bug.cgi?id=60731
         */
        { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
+       { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
 
        /* Enmotus */
        { PCI_DEVICE(0x1c44, 0x8000), board_ahci },