linux-kernel - Re: [PATCH 3/6] PCI: dwc: fsd: Add FSD PCIe Controller driver support

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Message-ID: <646b30eb-ab89-b4c0-1a71-b296359bd00b@linaro.org>
Date:   Mon, 21 Nov 2022 13:07:42 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Shradha Todi <shradha.t@...sung.com>, bhelgaas@...gle.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        kishon@...com, vkoul@...nel.org, lpieralisi@...nel.org,
        kw@...ux.com, mani@...nel.org, arnd@...db.de,
        gregkh@...uxfoundation.org, alim.akhtar@...sung.com,
        ajaykumar.rs@...sung.com, rcsekar@...sung.com,
        sriranjani.p@...sung.com, bharat.uppal@...sung.com,
        s.prashar@...sung.com, aswani.reddy@...sung.com,
        pankaj.dubey@...sung.com, p.rajanbabu@...sung.com,
        niyas.ahmed@...sung.com, chanho61.park@...sung.com
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH 3/6] PCI: dwc: fsd: Add FSD PCIe Controller driver support

On 21/11/2022 11:52, Shradha Todi wrote:
> Add PCIe controller driver file for PCIe controller
> found in fsd SoC family. This driver adds support for both RC
> and EP mode.
> 
> Signed-off-by: Niyas Ahmed S T <niyas.ahmed@...sung.com>
> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
> Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@...sung.com>
> Signed-off-by: Shradha Todi <shradha.t@...sung.com>
> ---
>  drivers/pci/controller/dwc/Kconfig    |   35 +
>  drivers/pci/controller/dwc/Makefile   |    1 +
>  drivers/pci/controller/dwc/pcie-fsd.c | 1021 +++++++++++++++++++++++++
>  3 files changed, 1057 insertions(+)
>  create mode 100644 drivers/pci/controller/dwc/pcie-fsd.c
> 

Yeah, when Samsung started upstreaming Artpec-8 PCI and said "it is
entirely different, cannot be merged with anything else", I had a
feeling it will bite us.

So now we see one more.

Then in some days there will be separate PCI for Exynos in Google
products. Then in company X, then Y.

No, work on unified approach not 3 different drivers.

Best regards,
Krzysztof