diff options
Diffstat (limited to 'arch/mips/mti-malta/malta-pci.c')
| -rw-r--r-- | arch/mips/mti-malta/malta-pci.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index b9743190609..efdb4f66ffc 100644 --- a/arch/mips/mti-malta/malta-pci.c +++ b/arch/mips/mti-malta/malta-pci.c @@ -241,3 +241,16 @@ void __init mips_pcibios_init(void) register_pci_controller(controller); } + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __init quirk_dlcsetup(struct pci_dev *dev) +{ + u8 odlc, ndlc; + (void) pci_read_config_byte(dev, 0x82, &odlc); + /* Enable passive releases and delayed transaction */ + ndlc = odlc | 7; + (void) pci_write_config_byte(dev, 0x82, ndlc); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, + quirk_dlcsetup); |