From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Liviu Dudau <liviu@dudau.co.uk>,
linux-arch <linux-arch@vger.kernel.org>,
Grant Likely <grant.likely@secretlab.ca>,
Kukjin Kim <kgene.kim@samsung.com>,
Russell King <linux@arm.linux.org.uk>,
Device Tree ML <devicetree@vger.kernel.org>,
linux-pci <linux-pci@vger.kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Linus Walleij <linus.walleij@linaro.org>,
Jingoo Han <jg1.han@samsung.com>,
Liviu Dudau <Liviu.Dudau@arm.com>,
LKML <linux-kernel@vger.kernel.org>,
Will Deacon <Will.Deacon@arm.com>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Rob Herring <robh+dt@kernel.org>,
Tanmay Inamdar <tinamdar@apm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Sinan Kaya <okaya@codeaurora.org>
Subject: Re: [PATCH v12 10/12] PCI: Assign unassigned bus resources in pci_scan_root_bus()
Date: Mon, 29 Sep 2014 20:18:02 +0200 [thread overview]
Message-ID: <6332476.od04BfvKGr@wuerfel> (raw)
In-Reply-To: <54287AA5.3060408@amd.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v12 10/12] PCI: Assign unassigned bus resources in pci_scan_root_bus()
Date: Mon, 29 Sep 2014 20:18:02 +0200 [thread overview]
Message-ID: <6332476.od04BfvKGr@wuerfel> (raw)
In-Reply-To: <54287AA5.3060408@amd.com>
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
next prev parent reply other threads:[~2014-09-29 18:18 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-23 19:01 [PATCH v12 00/12] Support for creating generic PCI host bridges from DT Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 01/12] Fix ioport_map() for !CONFIG_GENERIC_IOMAP cases Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 02/12] PCI: Introduce helper functions to deal with PCI I/O ranges Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 03/12] ARM: Define PCI_IOBASE as the base of virtual PCI IO space Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 04/12] PCI: OF: Move of_pci_range_to_resources() into address.c Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 05/12] PCI: OF: Fix the conversion of IO ranges into IO resources Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-24 0:22 ` Bjorn Helgaas
2014-09-24 0:22 ` Bjorn Helgaas
2014-09-24 0:22 ` Bjorn Helgaas
2014-09-24 1:12 ` Liviu Dudau
2014-09-24 1:12 ` Liviu Dudau
2014-09-24 1:12 ` Liviu Dudau
2014-09-24 1:16 ` Bjorn Helgaas
2014-09-24 1:16 ` Bjorn Helgaas
2014-09-24 1:16 ` Bjorn Helgaas
2014-09-24 9:20 ` Robert Richter
2014-09-24 9:20 ` Robert Richter
2014-09-24 9:20 ` Robert Richter
2014-09-24 10:14 ` Andrew Murray
2014-09-24 10:14 ` Andrew Murray
2014-09-24 10:14 ` Andrew Murray
2014-09-23 19:01 ` [PATCH v12 06/12] PCI: Create pci_host_bridge before its associated bus in pci_create_root_bus Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-25 18:15 ` Yinghai Lu
2014-09-25 18:15 ` Yinghai Lu
2014-09-25 19:59 ` Bjorn Helgaas
2014-09-25 19:59 ` Bjorn Helgaas
2014-09-26 14:58 ` Liviu Dudau
2014-09-26 14:58 ` Liviu Dudau
2014-09-26 16:17 ` Bjorn Helgaas
2014-09-26 16:17 ` Bjorn Helgaas
2014-09-23 19:01 ` [PATCH v12 07/12] PCI: Introduce generic domain handling for PCI busses Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 08/12] PCI: OF: Introduce helper function for retrieving PCI domain numbers Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-26 18:20 ` Rob Herring
2014-09-26 18:20 ` Rob Herring
2014-09-26 21:20 ` liviu
2014-09-26 21:20 ` liviu at dudau.co.uk
2014-09-26 21:20 ` liviu
2014-09-26 21:53 ` Rob Herring
2014-09-26 21:53 ` Rob Herring
2014-09-26 21:53 ` Rob Herring
2014-09-26 22:47 ` Liviu Dudau
2014-09-26 22:47 ` Liviu Dudau
2014-09-27 20:18 ` Bjorn Helgaas
2014-09-27 20:18 ` Bjorn Helgaas
2014-09-27 20:18 ` Bjorn Helgaas
2014-09-23 19:01 ` [PATCH v12 09/12] OF: PCI: Add support for parsing PCI host bridge resources from DT Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-24 16:43 ` Liviu Dudau
2014-09-24 16:43 ` Liviu Dudau
2014-09-24 17:31 ` Bjorn Helgaas
2014-09-24 17:31 ` Bjorn Helgaas
2014-09-24 17:53 ` Liviu Dudau
2014-09-24 17:53 ` Liviu Dudau
2014-09-24 18:01 ` Will Deacon
2014-09-24 18:01 ` Will Deacon
2014-09-25 8:54 ` Liviu Dudau
2014-09-25 8:54 ` Liviu Dudau
2014-09-25 9:04 ` Will Deacon
2014-09-25 9:04 ` Will Deacon
[not found] ` <1411498874-9864-1-git-send-email-Liviu.Dudau-5wv7dgnIgG8@public.gmane.org>
2014-09-23 19:01 ` [PATCH v12 10/12] PCI: Assign unassigned bus resources in pci_scan_root_bus() Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-24 1:18 ` Liviu Dudau
2014-09-24 1:18 ` Liviu Dudau
2014-09-24 1:18 ` Liviu Dudau
2014-09-24 1:41 ` Bjorn Helgaas
2014-09-24 1:41 ` Bjorn Helgaas
2014-09-24 1:48 ` Liviu Dudau
2014-09-24 1:48 ` Liviu Dudau
2014-09-28 21:16 ` Suravee Suthikulpanit
2014-09-28 21:16 ` Suravee Suthikulpanit
2014-09-29 18:18 ` Arnd Bergmann [this message]
2014-09-29 18:18 ` Arnd Bergmann
2014-09-23 19:01 ` [PATCH v12 11/12] PCI: Introduce pci_remap_iospace() for remapping PCI I/O bus resources into CPU space Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 19:01 ` [PATCH v12 12/12] arm64: Add architectural support for PCIe Liviu Dudau
2014-09-23 19:01 ` Liviu Dudau
2014-09-23 21:54 ` [PATCH v12 00/12] Support for creating generic PCI host bridges from DT Bjorn Helgaas
2014-09-23 21:54 ` Bjorn Helgaas
2014-09-23 22:48 ` Liviu Dudau
2014-09-23 22:48 ` Liviu Dudau
2014-09-23 23:00 ` Bjorn Helgaas
2014-09-23 23:00 ` Bjorn Helgaas
2014-09-24 13:30 ` Rob Herring
2014-09-24 13:30 ` Rob Herring
2014-09-24 14:23 ` Liviu Dudau
2014-09-24 14:23 ` Liviu Dudau
2014-09-24 15:38 ` Bjorn Helgaas
2014-09-24 15:38 ` Bjorn Helgaas
2014-09-23 22:49 ` Liviu Dudau
2014-09-23 22:49 ` Liviu Dudau
2014-09-23 22:49 ` Liviu Dudau
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