Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759650Ab0G3Rxg (ORCPT ); Fri, 30 Jul 2010 13:53:36 -0400 Received: from kroah.org ([198.145.64.141]:35916 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759430Ab0G3RfL (ORCPT ); Fri, 30 Jul 2010 13:35:11 -0400 X-Mailbox-Line: From gregkh@clark.site Fri Jul 30 10:31:10 2010 Message-Id: <20100730173109.941697145@clark.site> User-Agent: quilt/0.48-11.2 Date: Fri, 30 Jul 2010 10:30:45 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Tejun Heo , Peer Chen , Jeff Garzik Subject: [080/140] ahci,ata_generic: let ata_generic handle new MBP w/ MCP89 In-Reply-To: <20100730173205.GA22581@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3269 Lines: 86 2.6.33-stable review patch. If anyone has any objections, please let us know. ------------------ From: Tejun Heo commit c6353b4520788e34098bbf61c73fb9618ca7fdd6 upstream. For yet unknown reason, MCP89 on MBP 7,1 doesn't work w/ ahci under linux but the controller doesn't require explicit mode setting and works fine with ata_generic. Make ahci ignore the controller on MBP 7,1 and let ata_generic take it for now. Reported in bko#15923. https://bugzilla.kernel.org/show_bug.cgi?id=15923 NVIDIA is investigating why ahci mode doesn't work. Signed-off-by: Tejun Heo Cc: Peer Chen Reported-by: Anders Østhus Reported-by: Andreas Graf Reported-by: Benoit Gschwind Reported-by: Damien Cassou Reported-by: tixetsal@juno.com Signed-off-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/ata/ahci.c | 10 ++++++++++ drivers/ata/ata_generic.c | 6 ++++++ include/linux/pci_ids.h | 1 + 3 files changed, 17 insertions(+) --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -3037,6 +3037,16 @@ static int ahci_init_one(struct pci_dev if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable) return -ENODEV; + /* + * For some reason, MCP89 on MacBook 7,1 doesn't work with + * ahci, use ata_generic instead. + */ + if (pdev->vendor == PCI_VENDOR_ID_NVIDIA && + pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA && + pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE && + pdev->subsystem_device == 0xcb89) + return -ENODEV; + /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode. * At the moment, we can only use the AHCI mode. Let the users know * that for SAS drives they're out of luck. --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -168,6 +168,12 @@ static struct pci_device_id ata_generic[ { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), }, { PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), }, { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), }, + /* + * For some reason, MCP89 on MacBook 7,1 doesn't work with + * ahci, use ata_generic instead. + */ + { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA, + PCI_VENDOR_ID_APPLE, 0xcb89, }, #if !defined(CONFIG_PATA_TOSHIBA) && !defined(CONFIG_PATA_TOSHIBA_MODULE) { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), }, --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1262,6 +1262,7 @@ #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE 0x0759 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_SMBUS 0x07D8 #define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS 0x0AA2 +#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA 0x0D85 #define PCI_VENDOR_ID_IMS 0x10e0 #define PCI_DEVICE_ID_IMS_TT128 0x9128 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/