linux-kernel - Re: [PATCH v4 0/4] PCI: st: provide support for dw pcie

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Date:	Thu, 17 Sep 2015 09:59:49 -0500
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Gabriel Fernandez <gabriel.fernandez@...aro.org>
Cc:	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>,
	Srinivas Kandagatla <srinivas.kandagatla@...il.com>,
	Maxime Coquelin <maxime.coquelin@...com>,
	Patrice Chotard <patrice.chotard@...com>,
	Russell King <linux@....linux.org.uk>,
	Jingoo Han <jg1.han@...sung.com>,
	Lucas Stach <l.stach@...gutronix.de>,
	Fabrice Gasnier <fabrice.gasnier@...com>,
	Kishon Vijay Abraham I <kishon@...com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	" David S. Miller" <davem@...emloft.net>,
	Greg KH <gregkh@...uxfoundation.org>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Joe Perches <joe@...ches.com>, Tejun Heo <tj@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Thierry Reding <treding@...dia.com>,
	Phil Edworthy <phil.edworthy@...esas.com>,
	Minghuan Lian <Minghuan.Lian@...escale.com>,
	Tanmay Inamdar <tinamdar@....com>, m-karicheri2@...com,
	Sachin Kamat <sachin.kamat@...sung.com>,
	Andrew Lunn <andrew@...n.ch>,
	Liviu Dudau <liviu.dudau@....com>,
	Zhou Wang <wangzhou1@...ilicon.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kernel@...inux.com,
	linux-pci@...r.kernel.org, Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH v4 0/4] PCI: st: provide support for dw pcie

Hi Gabriel,

On Thu, Aug 27, 2015 at 02:34:13PM +0200, Gabriel Fernandez wrote:
> 
> This patchset is based on v4.2-rc1 and is based on 
> [PATCH v8 0/6] PCI: hisi: Add PCIe host support for HiSilicon SoC Hip05
> patchset from Zhou Wang.
> 
> Changes in v4:
>  - Remove pci: designware: remove my pci_common_init_dev() patch and
> 	use [PATCH v8 3/6] PCI: designware: Add ARM64 support instead.
> 	This patch is a good solution for me to disable IO support.
>  - add __init to st_pcie_probe() and use module_init() instead
> 	device_initcall() to prevent the probe function from being
> 	deferred and to prevent module unloading.
> 
> Changes in v3:
>  - Remove power management functions (was not fully tested)
>  - Remove configuration space range from dt binding
>  - Remove pci_common_init_dev() call in pcie-designware.c to avoid 
>    default IO space declaration. 
> 
> Changes in v2:
>  - comestic corrections in device tree binding
>  - add pci-st.c into MAINTAINERS
>  - remove st_pcie_ops structure to avoid another level of indirection
>  - remove nasty busy-loop
>  - remove useless test using virt_to_phys()
>  - move disable io support into dw-pcie driver
> 
> I don't change the st_pcie_abort_handler() function because abort handling
> is masked during boot.
> 
> 
> This patch-set introduces a STMicroelectronics PCIe controller.
> It's based on designware PCIe driver.
> 
> Gabriel Fernandez (4):
>   ARM: STi: Kconfig update for PCIe support
>   PCI: st: Add Device Tree bindings for sti pcie
>   PCI: st: Provide support for the sti PCIe controller
>   MAINTAINERS: Add pci-st.c to ARCH/STI architecture

Rob had some questions, so I'm waiting for an update that responds to
those.  When you post that, can you also squash the last two patches
together?

Thanks,
  Bjorn

>  Documentation/devicetree/bindings/pci/st-pcie.txt |  53 ++
>  MAINTAINERS                                       |   1 +
>  arch/arm/mach-sti/Kconfig                         |   2 +
>  drivers/pci/host/Kconfig                          |   9 +
>  drivers/pci/host/Makefile                         |   1 +
>  drivers/pci/host/pci-st.c                         | 583 ++++++++++++++++++++++
>  6 files changed, 649 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/st-pcie.txt
>  create mode 100644 drivers/pci/host/pci-st.c
> 
> -- 
> 1.9.1
> 
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