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SubjectRe: [PATCH V5 2/2] PCI/ACPI: hisi: Add ACPI support for HiSilicon SoCs Host Controllers
On Mon, Nov 21, 2016 at 09:09:28AM +0000, Gabriele Paoloni wrote:

> > > +config PCI_HISI_ACPI
> > > + depends on ACPI && ARM64
> > > + bool "HiSilicon Hip05 and Hip06 and Hip07 SoCs ACPI PCIe
> > controllers"
> > > + select PNP
> > > + help
> > > + Say Y here if you want ACPI PCIe controller support on
> > HiSilicon
> > > + Hip05 and Hip06 and Hip07 SoCs
> >
> > I'm not sure about this Kconfig setup. Do we really want to force
> > people to enable a special config option to get this support?
> >
> > I'm comparing it in my mind with other PCI quirks. They're all
> > enabled as a group by CONFIG_PCI_QUIRKS. Ultimately we want an ACPI
> > kernel to work without requiring any platform-specific config options.
> >
> > I'm wondering if we should consolidate all the ECAM quirk code in a
> > single place (maybe pci/ecam-quirks.c, pci/ecam.c, or pci/pci-acpi.c),
> > under a config option like CONFIG_PCI_ECAM_QUIRKS or maybe even plain
> > CONFIG_PCI_QUIRKS (of course, it could still be qualified by
> > CONFIG_ACPI and CONFIG_ARM64).
>
> What about having a single config options but keeping separate files
> for each vendors (at least as first step)?

That sounds fine. The main thing is that we're trying to build a
generic kernel that can run on any ACPI arm64 platform, so we really
shouldn't have to turn on platform-specific config options.

> Maybe if we see that we can consolidate all the vendors in one file
> we can do it as a second step...

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