Re: [PATCH v7 06/17] ARM64 / ACPI: Make PCI optional for ACPI on ARM64

[Graeme Gregory]

On Sun, Jan 18, 2015 at 02:46:35PM +0800, Hanjun Guo wrote:
> On 2015å01æ18æ 14:31, Jon Masters wrote:
> >Hi Folks,
> >
> >Sorry for top posting from bed. The mainstream servers will all likely do
> > PCIe but there are several that may not. They should not be excluded. That
> said,
> >if we booted a previously built kernel on a system without an MCFG and
> > got no ECAM/root then things would probably still work.
> >
> >I think it'll work out either way but for the record there is no requirement to do PCIe on ARM servers that conform to spec.
> 
> OK, Catalin already said that was not the main point of the
> comments for this patch, I think the title and change log
> of the patch is inconsistent with the code makes Catalin confused,
> I will update them in next version.
> 
Well what we are talking about is the presence of CONFIG_PCI=y which even
in Jons case will be true as he wants to run the same kernel on both
sets of hardware.

Now the architecture has PCI support I think its safe to remove the make
PCI optional part of the patch as this should be handled runtime not
compile time.

Graeme

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