On Fri, Oct 09, 2015 at 08:32:07PM +0200, Arnd Bergmann wrote:
> On Friday 09 October 2015 17:57:26 Liviu Dudau wrote:
> > +/*
> > + * The PLDA's XpressRICH3 doesn't describe itself as a bridge. This is required
> > + * for correct/normal enumeration.
> > + */
> > +static void xr3pci_quirk_class(struct pci_dev *pdev)
> > +{
> > + pdev->class = PCI_CLASS_BRIDGE_PCI << 8;
> > +}
> > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLDA, PCI_DEVICE_ID_XR3PCI, xr3pci_quirk_class);
> >
>
> Are you sure that this device ID is only used for the host bridge, not
> for related devices in endpoint mode?
I would hope so. The device ID has been assigned to ARM's implementation by PLDA,
it would be logical not to be reused for anyone else's.
>
> While we don't support PCIe endpoint drivers at the moment, it might
> happen at some point and then things break when someone tries to
> plug a machine with this ID into a Linux host.
I'm asking for confirmation inside ARM that the IDs are uniquely allocated to Juno
and will come back when I'll get confirmation.
Best regards,
Liviu
>
> Arnd
>
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