xhci: no switching back on non-ULT Haswell
authorOliver Neukum <oneukum@suse.de>
Mon, 27 Oct 2014 13:53:29 +0000 (14:53 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 14 Dec 2014 16:23:55 +0000 (16:23 +0000)
commit906341cde97dd81ca112970637b80f397b3ae77d
tree298826940cab2374a215e5f4d109dc471f397e47
parent85e66060d38a271c05546231d9f6a800533c6f3f
xhci: no switching back on non-ULT Haswell

commit b45abacde3d551c6696c6738bef4a1805d0bf27a upstream.

The switch back is limited to ULT even on HP. The contrary
finding arose by bad luck in BIOS versions for testing.
This fixes spontaneous resume from S3 on some HP laptops.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/usb/host/xhci-pci.c