On Thu, 2017-12-21 at 10:11 +0800, [email protected] wrote: > From: Honghui Zhang <[email protected]> > > The host bridge of MT7622 has hardware code the class code to an > arbitrary, meaningless value, fix that. > > Signed-off-by: Honghui Zhang <[email protected]> > --- > drivers/pci/host/pcie-mediatek.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/pci/host/pcie-mediatek.c > b/drivers/pci/host/pcie-mediatek.c > index 3248771..ae8d367 100644 > --- a/drivers/pci/host/pcie-mediatek.c > +++ b/drivers/pci/host/pcie-mediatek.c > @@ -1174,3 +1174,15 @@ static struct platform_driver mtk_pcie_driver = { > }, > }; > builtin_platform_driver(mtk_pcie_driver); > + > +/* The host bridge of MT7622 advertises the wrong device class. */ > +static void mtk_fixup_class(struct pci_dev *dev) > +{ > + dev->class = PCI_CLASS_BRIDGE_PCI << 8; > +} > + > +/* > + * The HW default value of vendor id and device id for mt7622 are 0x0e8d, > + * 0x3258, which are arbitrary, meaningless values. > + */
What's the right vendor id and device id? is it possible to fix them too? > +DECLARE_PCI_FIXUP_EARLY(0x0e8d, 0x3258, mtk_fixup_class);
