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| author | Ralf Baechle <ralf@linux-mips.org> | 2012-06-06 10:14:08 (GMT) |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-07-23 12:55:55 (GMT) |
| commit | 497e5ff03f58583ada469db8a1aa34eced9dd63e (patch) | |
| tree | d84a2d7ae3365ab8bc765dc8e8dda47caa65d419 /arch/mips/pci/fixup-malta.c | |
| parent | f7257d38ebb1bd3b8f80662c67ec7d502ac67421 (diff) | |
| download | linux-497e5ff03f58583ada469db8a1aa34eced9dd63e.tar.xz | |
MIPS: Malta: Move PIIX4 PCI fixup to where it belongs.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/pci/fixup-malta.c')
| -rw-r--r-- | arch/mips/pci/fixup-malta.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c index 70073c9..819622f 100644 --- a/arch/mips/pci/fixup-malta.c +++ b/arch/mips/pci/fixup-malta.c @@ -101,3 +101,17 @@ static void __devinit malta_piix_func1_fixup(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB, malta_piix_func1_fixup); + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __devinit 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); |