The following commit has been merged in the linux branch: commit a951f2829adba3f2945172b740528fce4366907d Author: Ralf Baechle ralf@linux-mips.org Date: Mon Oct 12 22:54:47 2009 +0200

MIPS: Malta: Enable PCI 2.1 compatibility in PIIX4

Based on original patch by Chris Dearman chris@mips.com.

Signed-off-by: Ralf Baechle ralf@linux-mips.org

diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index b974319..efdb4f6 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);