From mboxrd@z Thu Jan  1 00:00:00 1970
From: arnd@arndb.de (Arnd Bergmann)
Date: Mon, 29 Sep 2014 20:18:02 +0200
Subject: [PATCH v12 10/12] PCI: Assign unassigned bus resources in
 pci_scan_root_bus()
In-Reply-To: <54287AA5.3060408@amd.com>
References: <1411498874-9864-1-git-send-email-Liviu.Dudau@arm.com>
 <CAErSpo5DR+TPYXBWGKRj9SRPjsbJ6kjZmAH1AXT12txEjGdZGQ@mail.gmail.com>
 <54287AA5.3060408@amd.com>
Message-ID: <6332476.od04BfvKGr@wuerfel>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Sunday 28 September 2014 16:16:21 Suravee Suthikulpanit wrote:
> >
> > I'm not opposed to it, but I have the same question as for setting up
> > the domain: how does pci_scan_root_bus() learn what to assign to
> > bus->msi?  It currently only gets a "void *sysdata" so there's no
> > obvious place to put it there.  You could add a pcibios interface to
> > retrieve it, I suppose, but I'm starting to get uncomfortable with
> > adding more of those because we have such a mess of them already.
> >
> 
> [Suravee] Liviu and I had a talk during Linaro Connect, and we came up
> with a new binding for the pcie controller called "msi-parent" which is
> supposed to contain phandle to the corresponded msi-controller.

Is this based on the property that we have in the pci-mvebu driver?

I hope this is meant to be compatible so we can share the implementation.

	Arnd