From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH] PCI subsystem: AMD SATA IDE mode quirk Date: Sat, 02 Feb 2008 01:19:56 -0500 Message-ID: <47A40B8C.6080303@garzik.org> References: <206C6845C72CAE439DC3D9D413C571A487B327@ssuzexmb3.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:35205 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756570AbYBBGUF (ORCPT ); Sat, 2 Feb 2008 01:20:05 -0500 In-Reply-To: <206C6845C72CAE439DC3D9D413C571A487B327@ssuzexmb3.amd.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Cai, Crane" Cc: gregkh@suse.de, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, Linux IDE mailing list Cai, Crane wrote: > From: Crane Cai > > PCI: modify SATA IDE mode quirk > When initialize and resume, SB600/700/800 need to set SATA mode > correctly. > > Signed-off-by: Crane Cai > -------------------------------------------- > --- a/drivers/pci/quirks.c 2007-09-24 14:16:32.000000000 -0400 > +++ b/drivers/pci/quirks.c 2008-02-02 11:23:47.000000000 -0500 > @@ -859,12 +859,13 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IN > DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, > PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb ); > > > -static void __devinit quirk_sb600_sata(struct pci_dev *pdev) > +static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev) > { > - /* set sb600 sata to ahci mode */ > - if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { > - u8 tmp; > + /* set sb600/sb700/sb800 sata to ahci mode */ > + u8 tmp; > > + pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp); > + if (tmp == 0x01) { > pci_read_config_byte(pdev, 0x40, &tmp); > pci_write_config_byte(pdev, 0x40, tmp|1); > pci_write_config_byte(pdev, 0x9, 1); > @@ -872,10 +873,13 @@ static void __devinit quirk_sb600_sata(s > pci_write_config_byte(pdev, 0x40, tmp); > > pdev->class = PCI_CLASS_STORAGE_SATA_AHCI; > + printk(KERN_INFO "PCI: set SATA to AHCI mode\n"); > } > } > -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, > PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata); > -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, > PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata); > +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, > PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); > +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, > PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); > +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, > PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); > +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, > PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); ACK In the future, please also CC linux-ide@vger.kernel.org, as that's where the ATA folks hang out :) Jeff