linux-kernel - Re: [PATCH v1 8/9] PCI: PLDA: starfive: Add JH7110 PCIe controller

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Message-ID: <20230720-vanquish-upcoming-1145e052c849@wendy>
Date:   Thu, 20 Jul 2023 12:14:36 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Minda Chen <minda.chen@...rfivetech.com>
CC:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "Palmer Dabbelt" <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Philipp Zabel" <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v1 8/9] PCI: PLDA: starfive: Add JH7110 PCIe controller

On Wed, Jul 19, 2023 at 06:20:56PM +0800, Minda Chen wrote:
> Add StarFive JH7110 SoC PCIe controller platform
> driver codes.
> 
> Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
> Reviewed-by: Mason Huo <mason.huo@...rfivetech.com>
> ---
>  MAINTAINERS                                 |   7 +
>  drivers/pci/controller/plda/Kconfig         |   8 +
>  drivers/pci/controller/plda/Makefile        |   1 +
>  drivers/pci/controller/plda/pcie-plda.h     |  58 ++-
>  drivers/pci/controller/plda/pcie-starfive.c | 415 ++++++++++++++++++++
>  5 files changed, 487 insertions(+), 2 deletions(-)
>  create mode 100644 drivers/pci/controller/plda/pcie-starfive.c
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f02618c2bdf5..b88a54a24ae5 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -20356,6 +20356,13 @@ S:	Supported
>  F:	Documentation/devicetree/bindings/watchdog/starfive*
>  F:	drivers/watchdog/starfive-wdt.c
>  
> +STARFIVE JH71x0 PCIE DRIVER
> +M:	Minda Chen <minda.chen@...rfivetech.com>
> +L:	linux-pci@...r.kernel.org
> +S:	Supported
> +F:	Documentation/devicetree/bindings/pci/starfive*
> +F:	drivers/pci/controller/plda/pcie-starfive.c
> +
>  STATIC BRANCH/CALL
>  M:	Peter Zijlstra <peterz@...radead.org>
>  M:	Josh Poimboeuf <jpoimboe@...nel.org>
> diff --git a/drivers/pci/controller/plda/Kconfig b/drivers/pci/controller/plda/Kconfig
> index a3c790545843..eaf72954da9f 100644
> --- a/drivers/pci/controller/plda/Kconfig
> +++ b/drivers/pci/controller/plda/Kconfig
> @@ -24,4 +24,12 @@ config PCIE_MICROCHIP_HOST
>  	  Say Y here if you want kernel to support the Microchip AXI PCIe
>  	  Host Bridge driver.
>  
> +config PCIE_STARFIVE_HOST
> +	tristate "StarFive PCIe host controller"
> +	select PCIE_PLDA_HOST

Ditto here, I think this suffers from the same issue, although its
probably only really randconfigs that'll trigger it.

> +	help
> +	  Say Y here if you want to support the StarFive PCIe controller
> +	  in host mode. StarFive PCIe controller uses PLDA PCIe
> +	  core.
> +
>  endmenu

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