From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758711AbZCSXHV (ORCPT ); Thu, 19 Mar 2009 19:07:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754014AbZCSXHE (ORCPT ); Thu, 19 Mar 2009 19:07:04 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:42818 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754801AbZCSXHC (ORCPT ); Thu, 19 Mar 2009 19:07:02 -0400 From: "Rafael J. Wysocki" To: Tejun Heo Subject: [PATCH] ahci: Blacklist HP Compaq 6720s that spins off disks during ACPI power off Date: Fri, 20 Mar 2009 00:06:46 +0100 User-Agent: KMail/1.11.1 (Linux/2.6.29-rc8-tst; KDE/4.2.1; x86_64; ; ) Cc: Jeff Garzik , linux-ide@vger.kernel.org, LKML , Maciej Rutecki MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200903200006.46859.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maciej Rutecki Blacklist HP Compaq 6720s so that it doesn't play a "spin down, spin up, spin down" ping-pong with the hard disk during system power off. Signed-off-by: Maciej Rutecki Signed-off-by: Rafael J. Wysocki --- --- drivers/ata/ahci.c | 9 +++++++++ 1 file changed, 9 insertions(+) Index: linux-2.6/drivers/ata/ahci.c =================================================================== --- linux-2.6.orig/drivers/ata/ahci.c +++ linux-2.6/drivers/ata/ahci.c @@ -2565,6 +2565,15 @@ static bool ahci_broken_system_poweroff( /* PCI slot number of the controller */ .driver_data = (void *)0x1FUL, }, + { + .ident = "HP Compaq 6720s", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x1FUL, + }, { } /* terminate list */ };