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-rw-r--r--drivers/pci/quirks.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c4c769382e02..afd914ebe215 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1648,13 +1648,24 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
1648 /* Turn off PCI Bus Parking */ 1648 /* Turn off PCI Bus Parking */
1649 pci_write_config_byte(dev, 0x76, b ^ 0x40); 1649 pci_write_config_byte(dev, 0x76, b ^ 0x40);
1650 1650
1651 dev_info(&dev->dev,
1652 "Disabling VIA CX700 PCI parking\n");
1653 }
1654 }
1655
1656 if (pci_read_config_byte(dev, 0x72, &b) == 0) {
1657 if (b != 0) {
1651 /* Turn off PCI Master read caching */ 1658 /* Turn off PCI Master read caching */
1652 pci_write_config_byte(dev, 0x72, 0x0); 1659 pci_write_config_byte(dev, 0x72, 0x0);
1660
1661 /* Set PCI Master Bus time-out to "1x16 PCLK" */
1653 pci_write_config_byte(dev, 0x75, 0x1); 1662 pci_write_config_byte(dev, 0x75, 0x1);
1663
1664 /* Disable "Read FIFO Timer" */
1654 pci_write_config_byte(dev, 0x77, 0x0); 1665 pci_write_config_byte(dev, 0x77, 0x0);
1655 1666
1656 dev_info(&dev->dev, 1667 dev_info(&dev->dev,
1657 "Disabling VIA CX700 PCI parking/caching\n"); 1668 "Disabling VIA CX700 PCI caching\n");
1658 } 1669 }
1659 } 1670 }
1660} 1671}