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path: root/drivers/pci/quirks.c
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Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e887aa45c9c..afd914ebe21 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1502,8 +1502,8 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f
if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
(f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
#ifdef DEBUG
- dev_dbg(&dev->dev, "calling quirk 0x%p", f->hook);
- print_fn_descriptor_symbol(": %s()\n",
+ dev_dbg(&dev->dev, "calling ");
+ print_fn_descriptor_symbol("%s()\n",
(unsigned long) f->hook);
#endif
f->hook(dev);
@@ -1648,13 +1648,24 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
/* Turn off PCI Bus Parking */
pci_write_config_byte(dev, 0x76, b ^ 0x40);
+ dev_info(&dev->dev,
+ "Disabling VIA CX700 PCI parking\n");
+ }
+ }
+
+ if (pci_read_config_byte(dev, 0x72, &b) == 0) {
+ if (b != 0) {
/* Turn off PCI Master read caching */
pci_write_config_byte(dev, 0x72, 0x0);
+
+ /* Set PCI Master Bus time-out to "1x16 PCLK" */
pci_write_config_byte(dev, 0x75, 0x1);
+
+ /* Disable "Read FIFO Timer" */
pci_write_config_byte(dev, 0x77, 0x0);
dev_info(&dev->dev,
- "Disabling VIA CX700 PCI parking/caching\n");
+ "Disabling VIA CX700 PCI caching\n");
}
}
}