From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH] ata: Fix DVD not dectected at some Haswell platforms Date: Wed, 30 Jan 2013 16:29:19 +0400 Message-ID: <5109121F.1000205@mvista.com> References: <1359566374-27286-1-git-send-email-youquan.song@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-lb0-f172.google.com ([209.85.217.172]:53272 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751029Ab3A3M3i (ORCPT ); Wed, 30 Jan 2013 07:29:38 -0500 Received: by mail-lb0-f172.google.com with SMTP id n8so2077337lbj.17 for ; Wed, 30 Jan 2013 04:29:36 -0800 (PST) In-Reply-To: <1359566374-27286-1-git-send-email-youquan.song@intel.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Youquan Song Cc: htejun@gmail.com, ming.lei@canonical.com, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, seth.heasley@intel.com, jlee@suse.com, james.d.ralston@intel.com, Youquan Song Hello. On 30-01-2013 21:19, Youquan Song wrote: > There is a quirk patch 5e5a4f5d5a08c9c504fe956391ac3dae2c66556d fix the 4 ports > IDE controller 32bit PIO mode. > Recently, the problem was showed at Haswell platform which includes 2 ports > IDE controller. > So introduce a qurik patch to disable 32bit PIO at this IDE controller. > Signed-off-by: Youquan Song > --- > drivers/ata/ata_piix.c | 14 +++++++++++++- > 1 files changed, 13 insertions(+), 1 deletions(-) > diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c > index ef773e1..1993e52 100644 > --- a/drivers/ata/ata_piix.c > +++ b/drivers/ata/ata_piix.c [...] > @@ -326,7 +327,7 @@ static const struct pci_device_id piix_pci_tbl[] = { > /* SATA Controller IDE (Lynx Point) */ > { 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, > /* SATA Controller IDE (Lynx Point) */ > - { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, > + { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb }, > /* SATA Controller IDE (Lynx Point) */ > { 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, Also, are you sure this one and the following Lynx Point controllers are not affected? > /* SATA Controller IDE (Lynx Point-LP) */ MBR, Sergei