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PCI: ATI sb600 sata quirk

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Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Conke Hu
2006-12-19 13:11:37 -08:00
committed by Greg Kroah-Hartman
parent fb0f2b40fa
commit ab17443a3d
2 changed files with 17 additions and 1 deletions
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17
drivers/pci/quirks.c
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@@ -850,6 +850,23 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_
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)
{
/* set sb600 sata to ahci mode */
if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
u8 tmp;
pci_read_config_byte(pdev, 0x40, &tmp);
pci_write_config_byte(pdev, 0x40, tmp|1);
pci_write_config_byte(pdev, 0x9, 1);
pci_write_config_byte(pdev, 0xa, 6);
pci_write_config_byte(pdev, 0x40, tmp);
pdev->class = 0x010601;
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
/*
* Serverworks CSB5 IDE does not fully support native mode
*/