ahci: disable NCQ on Samsung pci-e SSDs on macbooks
commit
67809f85d31eac600f6b28defa5386c9d2a13b1d upstream.
Samsung's pci-e SSDs with device ID 0x1600 which are found on some
macbooks time out on NCQ commands. Blacklist NCQ on the device so
that the affected machines can at least boot.
Original-patch-by: Levente Kurusa <levex@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=60731
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>