linux-kernel - Re: [PATCH v12 0/6] Altera PCIe host controller driver with MSI support

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Date:	Thu, 29 Oct 2015 18:22:38 -0500
From:	Bjorn Helgaas <helgaas@...nel.org>
To:	Ley Foon Tan <lftan@...era.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Russell King <linux@....linux.org.uk>,
	Marc Zyngier <marc.zyngier@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH v12 0/6] Altera PCIe host controller driver with MSI
 support

On Wed, Oct 28, 2015 at 02:25:11PM +0800, Ley Foon Tan wrote:
> On Wed, Oct 28, 2015 at 9:02 AM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> > On Tue, Oct 27, 2015 at 7:56 PM, Ley Foon Tan <lftan@...era.com> wrote:
> >> On Tue, Oct 27, 2015 at 10:26 PM, Bjorn Helgaas <helgaas@...nel.org> wrote:
> >>> Hi Ley,
> >>>
> >>> On Fri, Oct 23, 2015 at 06:27:09PM +0800, Ley Foon Tan wrote:
> >>>> This is the 12th version of patch set to add support for Altera PCIe host
> >>>> controller with MSI feature on Altera FPGA device families. This patchset
> >>>> mainly resovle the comments from Bjorn.
> >>>>
> >>>>
> >>>> This patchset is based on v4.3-rc6.
> >>>>
> >>>> v11->v12 changes:
> >>>> - pcie-altera: use DECLARE_PCI_FIXUP_EARLY for pcie retrain fixup
> >>>> - pcie-altera: move pcie_bus_configure_settings before pci_bus_add_devices
> >>>> - pcie-altera: add %d for irq bit in dev_err()
> >>>> - pcie-altera: prevent enumeration of root complex resources in config accessors
> >>>> - Documentation: add Acked-by from Rob Herring
> >>>>
> >>>> History:
> >>>> -------
> >>>> [v1]: https://lkml.org/lkml/2015/7/28/395
> >>>> [v2]: https://lkml.org/lkml/2015/7/31/267
> >>>> [v3]: http://www.kernelhub.org/?msg=811940&p=2
> >>>> [v4]: https://lkml.org/lkml/2015/8/17/141
> >>>> [v5]: https://lkml.org/lkml/2015/8/25/238
> >>>> [v6]: https://lkml.org/lkml/2015/9/1/177
> >>>> [v7]: https://lkml.org/lkml/2015/9/20/193
> >>>> [v8]: http://www.kernelhub.org/?msg=853553&p=2
> >>>> [v9]: https://lkml.org/lkml/2015/10/13/998
> >>>> [v10]: https://lkml.org/lkml/2015/10/19/139
> >>>> [v11]: https://lkml.org/lkml/2015/10/22/206
> >>>>
> >>>>
> >>>> Ley Foon Tan (6):
> >>>>   arm: add msi.h to Kbuild
> >>>>   pci: add Altera PCI vendor ID
> >>>>   pci:host: Add Altera PCIe host controller driver
> >>>>   pci: altera: Add Altera PCIe MSI driver
> >>>>   Documentation: dt-bindings: pci: altera pcie device tree binding
> >>>>   MAINTAINERS: Add Altera PCIe and MSI drivers maintainer
> >>>>
> >>>>  .../devicetree/bindings/pci/altera-pcie-msi.txt    |  28 +
> >>>>  .../devicetree/bindings/pci/altera-pcie.txt        |  49 ++
> >>>>  MAINTAINERS                                        |  16 +
> >>>>  arch/arm/include/asm/Kbuild                        |   1 +
> >>>>  drivers/pci/host/Kconfig                           |  16 +
> >>>>  drivers/pci/host/Makefile                          |   2 +
> >>>>  drivers/pci/host/pcie-altera-msi.c                 | 314 +++++++++++
> >>>>  drivers/pci/host/pcie-altera.c                     | 580 +++++++++++++++++++++
> >>>>  include/linux/pci_ids.h                            |   2 +
> >>>>  9 files changed, 1008 insertions(+)
> >>>>  create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie-msi.txt
> >>>>  create mode 100644 Documentation/devicetree/bindings/pci/altera-pcie.txt
> >>>>  create mode 100644 drivers/pci/host/pcie-altera-msi.c
> >>>>  create mode 100644 drivers/pci/host/pcie-altera.c
> >>>
> >>> I applied these to pci/host-altera for v4.4, thanks!
> >>>
> >>> I squashed these into three patches:
> >>>
> >>>   - add msi.h to Kbuild
> >>>   - add Altera host driver (including DT binding and MAINTAINERS update)
> >>>   - add Altera MSI driver (including DT binding and MAINTAINERS update)
> >>>
> >>> Since the convention is to add PCI ID #defines only when they are used in
> >>> multiple places, I replaced PCI_VENDOR_ID_ALTERA with 0x1172 in the single
> >>> place it is used.
> >> Hi Bjorn
> >>
> >> Thanks for applied these.
> >>
> >> By the way, I can't see pci/host-altera branch in your pci.git tree
> >> yet. It takes some time to appear there?
> >
> > Sorry, I forgot to push it.  It should be there now!
> >
> Yes, saw it now. It will merge to 'next' branch eventually?

Yep, I just merged it to 'next' and pushed it.

Bjorn
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