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Message-ID: <AM6PR04MB5781A99C7DD26F525E7E9A1C84580@AM6PR04MB5781.eurprd04.prod.outlook.com>
Date: Wed, 27 Mar 2019 02:11:13 +0000
From: "Z.q. Hou" <zhiqiang.hou@....com>
To: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
CC: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"l.subrahmanya@...iveil.co.in" <l.subrahmanya@...iveil.co.in>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
Leo Li <leoyang.li@....com>,
"catalin.marinas@....com" <catalin.marinas@....com>,
"will.deacon@....com" <will.deacon@....com>,
Mingkai Hu <mingkai.hu@....com>,
"M.h. Lian" <minghuan.lian@....com>,
Xiaowei Bao <xiaowei.bao@....com>
Subject: RE: [PATCHv4 00/28] PCI: refactor Mobiveil driver and add PCIe Gen4
driver for NXP Layerscape SoCs
Hi Lorenzo,
Thanks for your comments!
> -----Original Message-----
> From: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Sent: 2019年3月27日 1:38
> To: Z.q. Hou <zhiqiang.hou@....com>
> Cc: linux-pci@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> bhelgaas@...gle.com; robh+dt@...nel.org; mark.rutland@....com;
> l.subrahmanya@...iveil.co.in; shawnguo@...nel.org; Leo Li
> <leoyang.li@....com>; catalin.marinas@....com; will.deacon@....com;
> Mingkai Hu <mingkai.hu@....com>; M.h. Lian <minghuan.lian@....com>;
> Xiaowei Bao <xiaowei.bao@....com>
> Subject: Re: [PATCHv4 00/28] PCI: refactor Mobiveil driver and add PCIe Gen4
> driver for NXP Layerscape SoCs
>
> On Mon, Mar 11, 2019 at 09:29:54AM +0000, Z.q. Hou wrote:
> > From: Hou Zhiqiang <Zhiqiang.Hou@....com>
> >
> > This patch set is aim to refactor the Mobiveil driver and add PCIe
> > support for NXP Layerscape series SoCs integrated Mobiveil's PCIe Gen4
> > controller.
> >
> > Hou Zhiqiang (28):
> > PCI: mobiveil: uniform the register accessors
> > PCI: mobiveil: format the code without function change
> > PCI: mobiveil: correct the returned error number
> > PCI: mobiveil: remove flag MSI_FLAG_MULTI_PCI_MSI
> > PCI: mobiveil: correct PCI base address in MEM/IO outbound windows
> > PCI: mobiveil: replace the resource list iteration function
> > PCI: mobiveil: use WIN_NUM_0 explicitly for CFG outbound window
> > PCI: mobiveil: use the 1st inbound window for MEM inbound
> transactions
> > PCI: mobiveil: correct inbound/outbound window setup routines
> > PCI: mobiveil: fix the INTx process error
> > PCI: mobiveil: only fix up the Class Code field
> > PCI: mobiveil: move out the link up waiting from mobiveil_host_init
> > PCI: mobiveil: move irq chained handler setup out of DT parse
> > PCI: mobiveil: initialize Primary/Secondary/Subordinate bus number
> > dt-bindings: pci: mobiveil: change gpio_slave and apb_csr to optional
> > PCI: mobiveil: refactor Mobiveil PCIe Host Bridge IP driver
> > PCI: mobiveil: fix the checking of valid device
> > PCI: mobiveil: add link up condition check
> > PCI: mobiveil: continue to initialize the host upon no PCIe link
> > PCI: mobiveil: disabled IB and OB windows set by bootloader
> > PCI: mobiveil: add Byte and Half-Word width register accessors
> > PCI: mobiveil: make mobiveil_host_init can be used to re-init host
> > dt-bindings: pci: Add NXP Layerscape SoCs PCIe Gen4 controller
> > PCI: mobiveil: add PCIe Gen4 RC driver for NXP Layerscape SoCs
> > PCI: mobiveil: ls_pcie_g4: add Workaround for A-011577
> > PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451
> > arm64: dts: freescale: lx2160a: add pcie DT nodes
> > arm64: defconfig: Enable CONFIG_PCI_LAYERSCAPE_GEN4
> >
> > .../bindings/pci/layerscape-pci-gen4.txt | 52 ++
> > .../devicetree/bindings/pci/mobiveil-pcie.txt | 2 +
> > MAINTAINERS | 10 +-
> > .../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 163 ++++
> > arch/arm64/configs/defconfig | 1 +
> > drivers/pci/controller/Kconfig | 11 +-
> > drivers/pci/controller/Makefile | 2 +-
> > drivers/pci/controller/mobiveil/Kconfig | 34 +
> > drivers/pci/controller/mobiveil/Makefile | 5 +
> > .../controller/mobiveil/pci-layerscape-gen4.c | 306 +++++++
> > .../controller/mobiveil/pcie-mobiveil-host.c | 640 +++++++++++++
> > .../controller/mobiveil/pcie-mobiveil-plat.c | 54 ++
> > .../pci/controller/mobiveil/pcie-mobiveil.c | 246 +++++
> > .../pci/controller/mobiveil/pcie-mobiveil.h | 229 +++++
> > drivers/pci/controller/pcie-mobiveil.c | 861 ------------------
> > 15 files changed, 1743 insertions(+), 873 deletions(-) create mode
> > 100644 Documentation/devicetree/bindings/pci/layerscape-pci-gen4.txt
> > create mode 100644 drivers/pci/controller/mobiveil/Kconfig
> > create mode 100644 drivers/pci/controller/mobiveil/Makefile
> > create mode 100644
> > drivers/pci/controller/mobiveil/pci-layerscape-gen4.c
> > create mode 100644
> > drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
> > create mode 100644
> > drivers/pci/controller/mobiveil/pcie-mobiveil-plat.c
> > create mode 100644 drivers/pci/controller/mobiveil/pcie-mobiveil.c
> > create mode 100644 drivers/pci/controller/mobiveil/pcie-mobiveil.h
> > delete mode 100644 drivers/pci/controller/pcie-mobiveil.c
>
> This patch series is a mixture of fixes, refactoring and development and to be
> frank it is a bit hard to review. Keeping in mind all the review comments
> already received and that I expect you to integrate, do you mind splitting it in
> logical series each one serving a specific purpose (eg fixes, Layerscape support,
> etc.) ?
>
> Let's start with posting and merging the fixes first.
Thanks for your suggestion, and will split them.
>
> Thank you very much.
>
> Lorenzo
Thanks,
Zhiqiang
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