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Date:	Thu, 11 Apr 2013 16:26:06 +0100
From:	Andrew Murray <Andrew.Murray@....com>
To:	rob.herring@...xeda.com
Cc:	jgunthorpe@...idianresearch.com, linux@....linux.org.uk,
	siva.kallam@...sung.com, linux-pci@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, jg1.han@...sung.com,
	Liviu.Dudau@....com, linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, kgene.kim@...sung.com,
	bhelgaas@...gle.com, suren.reddy@...sung.com,
	linux-arm-kernel@...ts.infradead.org, monstr@...str.eu,
	benh@...nel.crashing.org, paulus@...ba.org,
	grant.likely@...retlab.ca, thomas.petazzoni@...e-electrons.com,
	thierry.reding@...onic-design.de, thomas.abraham@...aro.org,
	arnd@...db.de, linus.walleij@...aro.org,
	Andrew Murray <Andrew.Murray@....com>
Subject: [PATCH v6 0/3] of/pci: Provide common support for PCI DT parsing

This patchset factors out duplicated code associated with parsing PCI
DT "ranges" properties across the architectures and introduces a
"ranges" parser. This parser "of_pci_range_parser" can be used directly
by ARM host bridge drivers enabling them to obtain ranges from device
trees.

I've included the Reviewed-by and Tested-by's received from v5 in this
patchset, earlier versions of this patchset (v3) have been tested-by:

Thierry Reding <thierry.reding@...onic-design.de>
Jingoo Han <jg1.han@...sung.com>

I believe a version of this patchset has also been tested through its
inclusion in Thomas Petazzoni's Armada 370 and Armada XP SoCs PCIe support by:

Linus Walleij <linus.walleij@...aro.org>

I've tested that this patchset builds and runs on ARM and that it builds on
PowerPC.

Compared to the v5 sent by Andrew Murray, the following changes have
been made:

 * Use of CONFIG_64BIT instead of CONFIG_[a32bitarch] as suggested by
   Rob Herring in drivers/of/of_pci.c

 * Added forward declaration of struct pci_controller in linux/of_pci.h
   to prevent compiler warning as suggested by Thomas Petazzoni

 * Improved error checking (!range check), removal of unnecessary be32_to_cpup
   call, improved formatting of struct of_pci_range_parser layout and
   replacement of macro with a static inline. All suggested by Rob Herring.

Compared to the v4 (incorrectly labelled v3) sent by Andrew Murray,
the following changes have been made:

 * Split the patch as suggested by Rob Herring

Compared to the v3 sent by Andrew Murray, the following changes have
been made:

 * Unify and move duplicate pci_process_bridge_OF_ranges functions to
   drivers/of/of_pci.c as suggested by Rob Herring

 * Fix potential build errors with Microblaze/MIPS

Compared to "[PATCH v5 01/17] of/pci: Provide support for parsing PCI DT
ranges property", the following changes have been made:

 * Correct use of IORESOURCE_* as suggested by Russell King

 * Improved interface and naming as suggested by Thierry Reding

Compared to the v2 sent by Andrew Murray, Thomas Petazzoni did:

 * Add a memset() on the struct of_pci_range_iter when starting the
   for loop in for_each_pci_range(). Otherwise, with an uninitialized
   of_pci_range_iter, of_pci_process_ranges() may crash.

 * Add parenthesis around 'res', 'np' and 'iter' in the
   for_each_of_pci_range macro definitions. Otherwise, passing
   something like &foobar as 'res' didn't work.

 * Rebased on top of 3.9-rc2, which required fixing a few conflicts in
   the Microblaze code.

v2:
  This follows on from suggestions made by Grant Likely
  (marc.info/?l=linux-kernel&m=136079602806328)

Andrew Murray (3):
  of/pci: Unify pci_process_bridge_OF_ranges from Microblaze and
    PowerPC
  of/pci: Provide support for parsing PCI DT ranges property
  of/pci: mips: convert to common of_pci_range_parser

 arch/microblaze/include/asm/pci-bridge.h |    5 +-
 arch/microblaze/pci/pci-common.c         |  192 ------------------------------
 arch/mips/pci/pci.c                      |   50 +++------
 arch/powerpc/include/asm/pci-bridge.h    |    5 +-
 arch/powerpc/kernel/pci-common.c         |  192 ------------------------------
 drivers/of/address.c                     |   66 ++++++++++
 drivers/of/of_pci.c                      |  168 ++++++++++++++++++++++++++
 include/linux/of_address.h               |   46 +++++++
 include/linux/of_pci.h                   |    4 +
 9 files changed, 302 insertions(+), 426 deletions(-)

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