linux-kernel - Re: [PATCH v13 00/12] Support for creating generic PCI host bridges from DT

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Message-ID: <20140929194335.GA13747@google.com>
Date:	Mon, 29 Sep 2014 13:43:35 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Liviu Dudau <Liviu.Dudau@....com>
Cc:	Arnd Bergmann <arnd@...db.de>, Rob Herring <robh+dt@...nel.org>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Russell King <linux@....linux.org.uk>,
	linux-pci <linux-pci@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Tanmay Inamdar <tinamdar@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Sinan Kaya <okaya@...eaurora.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Suravee Suthikulanit <suravee.suthikulpanit@....com>,
	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Device Tree ML <devicetree@...r.kernel.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>
Subject: Re: [PATCH v13 00/12] Support for creating generic PCI host bridges
 from DT

On Mon, Sep 29, 2014 at 03:29:19PM +0100, Liviu Dudau wrote:
> This is my version 13 of the attempt at adding support for generic PCI host
> bridge controllers. It contains only cleanups to make it play nice with the
> linux-next tree as of 09/25. If Bjorn deems it safe, now that it looks like
> asm-generic is going to revert some of its more aggresive patches, he has the
> choice of queueing it into linux-next again.
> ...

These patches above were already on my pci/host-generic branch and in
linux-next:

   asm-generic/io.h: Fix ioport_map() for !CONFIG_GENERIC_IOMAP
   of/pci: Add pci_register_io_range() and pci_pio_to_address()
   ARM: Define PCI_IOBASE as the base of virtual PCI IO space
   of/pci: Define of_pci_range_to_resource() only when CONFIG_PCI=y
   of/pci: Move of_pci_range_to_resources() to of/address.c
   of/pci: Fix the conversion of IO ranges into IO resources

I added these three patches to my pci/host-generic branch:

   PCI: Add generic domain handling
   of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr()
   of/pci: Add support for parsing PCI host bridge resources from DT

Yinghai pointed out a problem with this one, so I omitted it:

   PCI: Assign unassigned bus resources in pci_scan_root_bus()

I added this one to my pci/host-generic branch:

   PCI: Add pci_remap_iospace() to map bus I/O resources

I assume this depends on the pci_scan_root_bus() change (if not, let me
know), so I omitted this one:

   arm64: Add architectural support for PCI

Bjorn
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