ata_piix: implement IOCFG bit18 quirk
authorTejun Heo <htejun@gmail.com>
Thu, 23 Aug 2007 01:15:18 +0000 (10:15 +0900)
committerJeff Garzik <jeff@garzik.org>
Fri, 31 Aug 2007 08:27:47 +0000 (04:27 -0400)
commit43a98f05d99205687ddf74089e79a8312c8c5f90
treeeeec0745b94e50fbd99baa045b77adfcbc85175a
parent16c55b038033d8f6f7601996dfae44399666d9ab
ata_piix: implement IOCFG bit18 quirk

Some notebooks need bit18 of IOCFG to be cleared for the drive bay to
work even though the bit is NOOP according to the datasheet.  This
patch implement IOCFG bit18 quirk and apply it to Clevo M570U.

  http://bugzilla.kernel.org/show_bug.cgi?id=8051

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: D. Angelis <dangelis@beta-cae.gr>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/ata/ata_piix.c