[PATCH v2 09/18] pci: Add config for Enhanced Allocation

[Andrew Scull]

> > diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> > index 47cd074aa1..fd2203420c 100644
> > --- a/drivers/pci/Kconfig
> > +++ b/drivers/pci/Kconfig
> > @@ -67,6 +67,13 @@ config PCI_SRIOV
> >           if available on a PCI Physical Function device and probe for
> >           applicable drivers.
> >
> > +config PCI_ENHANCED_ALLOCATION
> > +       bool "Enable support for Enhanced Allocation of resources"
> > +       default y
> > +       help
> > +         Enable support for Enhanced Allocation which can be used by supported
> > +         devices in place of traditional BARS for allocation of resources.
> > +
>
> Why do we need a config option for EA as it can be figured out in the run time?

I wanted to have the option to disable the logic for handling EA at
runtime. A glance at the code suggested there's a whole other rabbit
hole of missing safety checks that I've opted to leave for another
day.