Re: [PATCH v16 00/22] PCI: rcar-gen4: Add R-Car Gen4 PCIe support

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Hi Yoshihiro

On Wed, May 10, 2023 at 03:22:12PM +0900, Yoshihiro Shimoda wrote:
> Add R-Car S4-8 (R-Car Gen4) PCIe Host and Endpoint support.
> To support them, modify PCIe DesignWare common codes.

Thanks for the updated series. I'll have a look at it on this week.

-Serge(y)

> 
> Changes from v15:
> https://lore.kernel.org/linux-pci/20230509124156.150200-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/
>  - Based on next-20230509 + pci.git / next branch (the commit 174977dc80b7
>    ("Merge branch 'pci/controller/vmd'"))
>  - (no change, JFYI) Based on the following cleanups patches:
>    [PATCH v4 00/14] PCI: dwc: Relatively simple fixes and cleanups
>    https://lore.kernel.org/linux-pci/20230414021832.13167-1-Sergey.Semin@xxxxxxxxxxxxxxxxxxxx/
>  - Modify the code comments in patch 8/22.
> 
> Changes from v14:
> https://lore.kernel.org/linux-pci/20230426045557.3613826-1-yoshihiro.shimoda.uh@xxxxxxxxxxx/
>  - Based on next-20230508.
>  - (no change, JFYI) Based on the following cleanups patches:
>    [PATCH v4 00/14] PCI: dwc: Relatively simple fixes and cleanups
>    https://lore.kernel.org/linux-pci/20230414021832.13167-1-Sergey.Semin@xxxxxxxxxxxxxxxxxxxx/
>  - Add Reviewed-by from Serge in the patch {4,5,15,}/21.
>  - Drop PCI_EXP_LNKCAP_MLW handling of pcie-tegra194.c because
>    pcie-designware.c takes care of it.
>  - Change subjects in the patch {5,6,7,8,10}/21.
>  - Drop dw_pcie_prog_ep_outbound_atu().
>  - Modify dw_pcie_link_set_max_link_width() to improve code readability.
>  - Move the retrain code to .start_link().
>  - Fix some minor issues.
> 
> Yoshihiro Shimoda (22):
>   PCI: Add PCI_EXP_LNKCAP_MLW macros
>   PCI: Add PCI_HEADER_TYPE_MULTI_FUNC
>   PCI: Add INTx Mechanism Messages macros
>   PCI: Rename PCI_EPC_IRQ_LEGACY to PCI_EPC_IRQ_INTX
>   PCI: dwc: Rename "legacy_irq" to "INTx_irq"
>   PCI: dwc: Change arguments of dw_pcie_prog_outbound_atu()
>   PCI: dwc: Add outbound MSG TLPs support
>   PCI: designware-ep: Add INTx IRQs support
>   PCI: dwc: Add dw_pcie_link_set_max_link_width()
>   PCI: dwc: Modify PCIE_PORT_LINK_CONTROL handling
>   PCI: dwc: Add dw_pcie_link_set_max_cap_width()
>   PCI: tegra194: Drop PCI_EXP_LNKSTA_NLW setting.
>   PCI: dwc: Add EDMA_UNROLL capability flag
>   PCI: dwc: Expose dw_pcie_ep_exit() to module
>   PCI: dwc: Introduce .ep_pre_init() and .ep_deinit()
>   dt-bindings: PCI: dwc: Update maxItems of reg and reg-names
>   dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Host
>   dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Endpoint
>   PCI: rcar-gen4: Add R-Car Gen4 PCIe Host support
>   PCI: rcar-gen4-ep: Add R-Car Gen4 PCIe Endpoint support
>   MAINTAINERS: Update PCI DRIVER FOR RENESAS R-CAR for R-Car Gen4
>   misc: pci_endpoint_test: Add Device ID for R-Car S4-8 PCIe controller
> 
>  .../bindings/pci/rcar-gen4-pci-ep.yaml        |  98 +++++++++
>  .../bindings/pci/rcar-gen4-pci-host.yaml      | 109 ++++++++++
>  .../bindings/pci/snps,dw-pcie-ep.yaml         |   4 +-
>  .../devicetree/bindings/pci/snps,dw-pcie.yaml |   4 +-
>  MAINTAINERS                                   |   1 +
>  drivers/misc/pci_endpoint_test.c              |   4 +
>  .../pci/controller/cadence/pcie-cadence-ep.c  |   2 +-
>  drivers/pci/controller/dwc/Kconfig            |  18 ++
>  drivers/pci/controller/dwc/Makefile           |   4 +
>  drivers/pci/controller/dwc/pci-dra7xx.c       |   2 +-
>  drivers/pci/controller/dwc/pci-imx6.c         |   4 +-
>  drivers/pci/controller/dwc/pci-keystone.c     |   2 +-
>  .../pci/controller/dwc/pci-layerscape-ep.c    |   4 +-
>  drivers/pci/controller/dwc/pcie-artpec6.c     |   2 +-
>  .../pci/controller/dwc/pcie-designware-ep.c   |  98 +++++++--
>  .../pci/controller/dwc/pcie-designware-host.c |  52 +++--
>  .../pci/controller/dwc/pcie-designware-plat.c |   4 +-
>  drivers/pci/controller/dwc/pcie-designware.c  | 160 ++++++++-------
>  drivers/pci/controller/dwc/pcie-designware.h  |  33 ++-
>  drivers/pci/controller/dwc/pcie-keembay.c     |   2 +-
>  drivers/pci/controller/dwc/pcie-qcom-ep.c     |   4 +-
>  .../pci/controller/dwc/pcie-rcar-gen4-ep.c    | 166 +++++++++++++++
>  .../pci/controller/dwc/pcie-rcar-gen4-host.c  | 141 +++++++++++++
>  drivers/pci/controller/dwc/pcie-rcar-gen4.c   | 190 ++++++++++++++++++
>  drivers/pci/controller/dwc/pcie-rcar-gen4.h   |  46 +++++
>  drivers/pci/controller/dwc/pcie-tegra194.c    |   8 +-
>  drivers/pci/controller/dwc/pcie-uniphier-ep.c |   2 +-
>  drivers/pci/controller/pcie-rcar-ep.c         |   2 +-
>  drivers/pci/controller/pcie-rockchip-ep.c     |   2 +-
>  drivers/pci/endpoint/functions/pci-epf-test.c |  10 +-
>  drivers/pci/pci.h                             |  18 ++
>  drivers/pci/probe.c                           |   2 +-
>  drivers/pci/quirks.c                          |   4 +-
>  include/linux/pci-epc.h                       |   4 +-
>  include/uapi/linux/pci_regs.h                 |   7 +
>  35 files changed, 1061 insertions(+), 152 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml
>  create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml
>  create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-ep.c
>  create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4-host.c
>  create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4.c
>  create mode 100644 drivers/pci/controller/dwc/pcie-rcar-gen4.h
> 
> -- 
> 2.25.1
> 



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