From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751248Ab3A3FK2 (ORCPT ); Wed, 30 Jan 2013 00:10:28 -0500 Received: from mga01.intel.com ([192.55.52.88]:64179 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750732Ab3A3FK0 (ORCPT ); Wed, 30 Jan 2013 00:10:26 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,565,1355126400"; d="scan'208";a="280181148" From: Youquan Song To: htejun@gmail.com, ming.lei@canonical.com, linux-ide.vger.kernel.org@vger.kernel.org, linux-kernel@vger.kernel.org Cc: seth.heasley@intel.com, jlee@suse.com, james.d.ralston@intel.com, Youquan Song , Youquan Song Subject: [PATCH] ata: Fix DVD not dectected at some Haswell platforms Date: Wed, 30 Jan 2013 12:17:39 -0500 Message-Id: <1359566259-27006-1-git-send-email-youquan.song@intel.com> X-Mailer: git-send-email 1.6.4.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 @@ -150,6 +150,7 @@ enum piix_controller_ids { tolapai_sata, piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ ich8_sata_snb, + ich8_2port_sata_snb, }; struct piix_map_db { @@ -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 }, /* SATA Controller IDE (Lynx Point-LP) */ @@ -502,6 +503,7 @@ static const struct piix_map_db *piix_map_db_table[] = { [ich8m_apple_sata] = &ich8m_apple_map_db, [tolapai_sata] = &tolapai_map_db, [ich8_sata_snb] = &ich8_map_db, + [ich8_2port_sata_snb] = &ich8_2port_map_db, }; static struct ata_port_info piix_port_info[] = { @@ -643,6 +645,16 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, + [ich8_2port_sata_snb] = + { + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, + .port_ops = &piix_sata_ops, + }, + + }; static struct pci_bits piix_enable_bits[] = { -- 1.6.4.2