Re: [RESEND PATCH v2 1/2] PCI: Add defines for normal and subtractive PCI bridges

[Pali Rohár]

On Thursday 17 February 2022 15:11:34 Bjorn Helgaas wrote:
> On Mon, Feb 14, 2022 at 12:41:08PM +0100, Pali Rohár wrote:
> > Add following two new PCI class codes defines into pci_ids.h include file:
> > 
> >   PCI_CLASS_BRIDGE_PCI_NORMAL
> >   PCI_CLASS_BRIDGE_PCI_SUBTRACTIVE
> > 
> > And use these defines in all kernel code for describing PCI class codes for
> > normal and subtractive PCI bridges.
> 
> Looks good; is this another case?
> 
>   drivers/pci/controller/pci-mvebu.c:     dev_rev |= (PCI_CLASS_BRIDGE_PCI << 8) << 8;

Yes! It is.

> >  static void quirk_sb1250_ht(struct pci_dev *dev)
> >  {
> > -	dev->class = PCI_CLASS_BRIDGE_PCI << 8;
> > +	dev->class = PCI_CLASS_BRIDGE_PCI_NORMAL;