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Date: Tue, 2 Feb 2021 08:48:47 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
Neil Armstrong <narmstrong@...libre.com>,
linux-pci@...r.kernel.org,
Binghui Wang <wangbinghui@...ilicon.com>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
linux-tegra@...r.kernel.org,
Thierry Reding <thierry.reding@...il.com>,
Wei Xu <xuwei5@...ilicon.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Jonathan Chocron <jonnyc@...zon.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Fabio Estevam <festevam@...il.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Rob Herring <robh@...nel.org>,
Jesper Nilsson <jesper.nilsson@...s.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Kevin Hilman <khilman@...libre.com>,
Krzysztof Kozlowski <krzk@...nel.org>,
Kishon Vijay Abraham I <kishon@...com>,
Jaehoon Chung <jh80.chung@...sung.com>,
linux-samsung-soc@...r.kernel.org, Andy Gross <agross@...nel.org>,
NXP Linux Team <linux-imx@....com>,
Xiaowei Song <songxiaowei@...ilicon.com>,
Jerome Brunet <jbrunet@...libre.com>,
devicetree@...r.kernel.org, Richard Zhu <hongxing.zhu@....com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
linux-arm-msm@...r.kernel.org,
Sascha Hauer <s.hauer@...gutronix.de>,
linux-arm-kernel@...s.com, Mark Brown <broonie@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
linux-amlogic@...ts.infradead.org, linux-omap@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
Liam Girdwood <lgirdwood@...il.com>,
linux-kernel@...r.kernel.org, Zhou Wang <wangzhou1@...ilicon.com>,
Rob Herring <robh+dt@...nel.org>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Jingoo Han <jingoohan1@...il.com>,
Shawn Guo <shawnguo@...nel.org>,
Lucas Stach <l.stach@...gutronix.de>
Subject: Re: [PATCH 00/13] Add support for Hikey 970 PCIe
On Tue, Feb 02, 2021 at 02:29:45PM +0100, Mauro Carvalho Chehab wrote:
> This series add support for Kirin 970 and for the Hikey 970
> board at the already-existing driver.
>
> patches 1-3 were previously submitted as RFC:
>
> - Patch 1 converts the Synopsys Designware PCIe binding
> documentation to the DT schema;
> - Patch 2 converts the pcie-kirin DT binding to the DT schema;
> - Patch 3 adds some extra configuration needed by
> Kirin 970.
>
> Patches 4-5 were imported from Manivannan's Hikey 970
> tree:
>
> https://git.linaro.org/people/manivannan.sadhasivam/96b-common.git/commit/?h=hikey970_pcie&id=4917380ad023c62960aa0f876bd4f23cefc8729e
>
> It contains the original port made by Linaro.
>
> patches 6 to 12 contains several cleanups applied on the
> top of Manivann's work, in order to simplify the extra data
> that would be required at DT, and to ensure that the power
> regulator needed to enable the PCI support on Hikey970
> will be enabled before trying to power it on, as otherwise,
> PCI resource allocation will fail.
>
> -
>
> patch 13 is here mostly as an example about what is needed
> in order for PCIe (and Ethernet) to start working on Hikey 970.
>
> It won't apply cleanly, as it depends on another patch series,
> adding the needed regulator drivers.
>
> I'll re-submit patch 13 after the pending stuff gets merged
> upstream.
>
> Manivannan Sadhasivam (2):
> pci: dwc: pcie-kirin: add HI3670 PCI-E controller support
> arm64: dts: hisilicon: Add HI3670 PCI-E controller support
>
> Mauro Carvalho Chehab (11):
> doc: bindings: pci: designware-pcie.txt: convert it to yaml
> doc: bindings: kirin-pcie.txt: convert it to yaml
> doc: bindings: add new parameters used by Hikey 970
> pci: dwc: pcie-kirin: simplify error handling logic
> pci: dwc: pcie-kirin: simplify kirin 970 get resource logic
> pci: dwc: pcie-kirin: place common init code altogether
> pci: dwc: pcie-kirin: allow to optionally require a regulator
> pci: dwc: pcie-kirin: allow using multiple reset GPIOs
> pci: dwc: pcie-kirin: add support for clkreq GPIOs
> pci: dwc: pcie-kirin: cleanup kirin970_pcie_get_eyeparam()
> arm64: dts: hisilicon: cleanup Hikey 970 PCI schema
Please match:
$ git log --oneline drivers/pci/controller/dwc/pcie-kirin.c
60f5b73fa0f2 ("PCI: dwc: Remove unnecessary wrappers around dw_pcie_host_init()")
b9ac0f9dc8ea ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code")
59fbab1ae40e ("PCI: dwc: Move dw_pcie_msi_init() into core")
886a9c134755 ("PCI: dwc: Move link handling into common code")
5bcb1757e637 ("PCI: dwc: Move MSI interrupt setup into DWC common code")
a0fd361db8e5 ("PCI: dwc: Move "dbi", "dbi2", and "addr_space" resource setup into common code")
ecc3e424d190 ("PCI: kirin: Return -EPROBE_DEFER in case the gpio isn't ready")
We've already picked "PCIe" (not "PCI-E") as the preferred spelling.
Please adopt in subject lines, commit logs, comments, etc.
Similarly, "YAML" in comments & text, since acronyms are normally
capitalized.
"DesignWare" (not "Designware").
HiSilicon seems to use "HiKey" (not "Hikey"), so let's follow them.
Pick either "Kirin 970" or "HiKey 970" From
http://www.o.hisilicon.com/en/Products/ProductList/HiKey, it looks
like "HiKey 970" refers to a board, and "Kirin 970" refers to a piece
of it.
Please wrap commit logs to fill 75 columns.
> .../bindings/pci/amlogic,meson-pcie.txt | 4 +-
> .../bindings/pci/axis,artpec6-pcie.txt | 2 +-
> .../bindings/pci/designware-pcie.txt | 77 --
> .../bindings/pci/fsl,imx6q-pcie.txt | 2 +-
> .../bindings/pci/hisilicon,kirin-pcie.yaml | 144 ++++
> .../bindings/pci/hisilicon-histb-pcie.txt | 2 +-
> .../bindings/pci/hisilicon-pcie.txt | 2 +-
> .../devicetree/bindings/pci/kirin-pcie.txt | 50 --
> .../bindings/pci/layerscape-pci.txt | 2 +-
> .../bindings/pci/nvidia,tegra194-pcie.txt | 4 +-
> .../devicetree/bindings/pci/pci-armada8k.txt | 2 +-
> .../devicetree/bindings/pci/pci-keystone.txt | 10 +-
> .../devicetree/bindings/pci/pcie-al.txt | 2 +-
> .../devicetree/bindings/pci/qcom,pcie.txt | 14 +-
> .../bindings/pci/samsung,exynos-pcie.yaml | 2 +-
> .../devicetree/bindings/pci/snps,pcie.yaml | 139 ++++
> .../pci/socionext,uniphier-pcie-ep.yaml | 2 +-
> .../devicetree/bindings/pci/ti-pci.txt | 4 +-
> .../devicetree/bindings/pci/uniphier-pcie.txt | 2 +-
> MAINTAINERS | 4 +-
> arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 64 ++
> .../boot/dts/hisilicon/hikey970-pmic.dtsi | 1 -
> drivers/pci/controller/dwc/pcie-kirin.c | 736 +++++++++++++++++-
> 23 files changed, 1084 insertions(+), 187 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/pci/designware-pcie.txt
> create mode 100644 Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
> delete mode 100644 Documentation/devicetree/bindings/pci/kirin-pcie.txt
> create mode 100644 Documentation/devicetree/bindings/pci/snps,pcie.yaml
>
> --
> 2.29.2
>
>
>
> _______________________________________________
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> linux-arm-kernel@...ts.infradead.org
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