Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6-omap-h63xx.git] / drivers / pci / quirks.c

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 246918fe94826d37a038a72e54febc2cb35ea63b..96cf8ecd04ce7b40ea60fc9e1a077607a8c46d77 100644 (file)
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -43,6 +43,20 @@ static void __devinit quirk_mellanox_tavor(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR,quirk_mellanox_tavor);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MELLANOX,PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE,quirk_mellanox_tavor);
 
+/* Many VIA bridges seem to corrupt data for DAC. Disable it here */
+int forbid_dac __read_mostly;
+EXPORT_SYMBOL(forbid_dac);
+
+static __devinit void via_no_dac(struct pci_dev *dev)
+{
+       if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI && forbid_dac == 0) {
+               dev_info(&dev->dev,
+                       "VIA PCI bridge detected. Disabling DAC.\n");
+               forbid_dac = 1;
+       }
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_ANY_ID, via_no_dac);
+
 /* Deal with broken BIOS'es that neglect to enable passive release,
    which can cause problems in combination with the 82441FX/PPro MTRRs */
 static void quirk_passive_release(struct pci_dev *dev)
@@ -1934,10 +1948,7 @@ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_f
        while (f < end) {
                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 ");
-                       print_fn_descriptor_symbol("%s\n", f->hook);
-#endif
+                       dev_dbg(&dev->dev, "calling %pF\n", f->hook);
                        f->hook(dev);
                }
                f++;