]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
ahci: disable NCQ on Samsung pci-e SSDs on macbooks
authorLevente Kurusa <levex@linux.com>
Tue, 18 Feb 2014 15:22:17 +0000 (10:22 -0500)
committerZefan Li <lizefan@huawei.com>
Tue, 14 Apr 2015 09:33:39 +0000 (17:33 +0800)
commitee2e72882f07a557d739955abbc87b5defc5f96d
tree5f4c68305b9446128bb0ecf2a4305b3cc7d727a0
parent1a02d8726830be40d76a1cceb2eb0689613c678c
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
[lizf: Backported to 3.4: adjust context]
Signed-off-by: Zefan Li <lizefan@huawei.com>
drivers/ata/ahci.c