From: Jeff Garzik <jeff@garzik.org>
To: "Cai, Crane" <Crane.Cai@amd.com>
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org,
linux-pci@atrey.karlin.mff.cuni.cz,
Linux IDE mailing list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH] PCI subsystem: AMD SATA IDE mode quirk
Date: Sat, 02 Feb 2008 01:19:56 -0500 [thread overview]
Message-ID: <47A40B8C.6080303@garzik.org> (raw)
In-Reply-To: <206C6845C72CAE439DC3D9D413C571A487B327@ssuzexmb3.amd.com>
Cai, Crane wrote:
> From: Crane Cai <crane.cai@amd.com>
>
> PCI: modify SATA IDE mode quirk
> When initialize and resume, SB600/700/800 need to set SATA mode
> correctly.
>
> Signed-off-by: Crane Cai <crane.cai@amd.com>
> --------------------------------------------
> --- 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
next parent reply other threads:[~2008-02-02 6:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <206C6845C72CAE439DC3D9D413C571A487B327@ssuzexmb3.amd.com>
2008-02-02 6:19 ` Jeff Garzik [this message]
2008-02-13 8:31 ` [PATCH] PCI subsystem: AMD SATA IDE mode quirk Cai, Crane
2008-02-13 12:02 ` Jeff Garzik
2008-02-14 21:48 ` Jeff Garzik
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