linux-kernel - Re: [PATCH v4 0/4] Add AM65x ICSSG Ethernet support

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Message-ID: <625f462e-d0d9-4abd-87db-178674f02cb9@ti.com>
Date:   Thu, 12 Oct 2023 14:48:57 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     MD Danish Anwar <danishanwar@...com>, Nishanth Menon <nm@...com>
CC:     Peng Fan <peng.fan@....com>, Udit Kumar <u-kumar1@...com>,
        Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Bjorn Andersson <quic_bjorande@...cinc.com>,
        Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tero Kristo <kristo@...nel.org>, <linux-omap@...r.kernel.org>,
        <srk@...com>, <r-gunasekaran@...com>
Subject: Re: [PATCH v4 0/4] Add AM65x ICSSG Ethernet support



On 03/10/23 16:25, MD Danish Anwar wrote:
> Hi All,
> 
> This series adds support for ICSSG ethernet on AM65x SR2.0. 
> This series also enables TI_ICSSG_PRUETH as loadable kernel module.
> This series is based on the latest next-20230925 linux-next.
> 
> This is the v4 of the series [v1]. This addresses comments made on v3.
> 
> Changes from v3 to v4:
> *) Added RB tag of Andrew Davis.
> *) Added LAKML to the --cc of this series as it was dropped in v3.
> 
> Changes from v2 to v3:
> *) Changed comment of icssg nodes in device trees from "Dual Ethernet
>    application node" to "Ethernet node" as asked by Andrew L.
> *) Applied k3-am654-idk.dtbo at build time to the k3-am654-base-board.dtb
>    in order to not have orphan DTBO as asked by Andrew D.
> *) Modified k3-am654-gp-evm.dtb to have k3-am654-icssg2.dtbo as well.
> 
> Changes from v1 to v2:
> *) Moved ICSSG2 nodes from k3-am654-base-board.dts to new overlay file
>    k3-am654-icssg2.dtso as asked by Andrew.
> *) Renamed k3-am654-base-board.dts to k3-am654-common-board.dts
> *) Added "Enable TI_ICSSG_PRUETH" patch to this series.
> 
> [v1] https://lore.kernel.org/all/20230911071245.2173520-1-danishanwar@ti.com/
> [v2] https://lore.kernel.org/all/20230921060913.721336-1-danishanwar@ti.com/
> [v3] https://lore.kernel.org/all/20230926045337.1248276-1-danishanwar@ti.com/
> 

Wit this series applied I see build failures like:

arch/arm64/boot/dts/ti/k3-am65-main.dtsi:897.25-916.4: Warning (unique_unit_address): /bus@...000/pcie@...0000: duplicate unit-address (also used in node /bus@...000/pcie-ep@...0000)
  DTC     arch/arm64/boot/dts/ti/k3-am654-icssg2.dtbo
arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso:14.6-85.3: Warning (node_name_chars_strict): /fragment@..._overlay__: Character '_' not recommended in node name
arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso:87.12-125.3: Warning (node_name_chars_strict): /fragment@..._overlay__: Character '_' not recommended in node name
arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso:127.14-145.3: Warning (node_name_chars_strict): /fragment@..._overlay__: Character '_' not recommended in node name
  DTOVL   arch/arm64/boot/dts/ti/k3-am654-base-board.dtb

Overlay 'arch/arm64/boot/dts/ti/k3-am654.dtsi' is incomplete (4096 / 1346656301 bytes read)
make[3]: *** [scripts/Makefile.lib:402: arch/arm64/boot/dts/ti/k3-am654-base-board.dtb] Error 1
make[2]: *** [scripts/Makefile.build:480: arch/arm64/boot/dts/ti] Error 2
make[1]: *** [/home/a0132425/workspace/k3-next/Makefile:1391: dtbs] Error 2
make: *** [Makefile:234: __sub-make] Error 2

There probably is some race here as I see this with make -j32 dtbs 
but not on my less powerful laptop



> Thanks and Regards,
> MD Danish Anwar
> 
> MD Danish Anwar (4):
>   arm64: dts: ti: k3-am65-main: Add ICSSG IEP nodes
>   arm64: dts: ti: k3-am654-base-board: add ICSSG2 Ethernet support
>   arm64: dts: ti: k3-am654-idk: Add ICSSG Ethernet ports
>   arm64: defconfig: Enable TI_ICSSG_PRUETH
> 
>  arch/arm64/boot/dts/ti/Makefile               |   4 +
>  arch/arm64/boot/dts/ti/k3-am65-main.dtsi      |  36 +++
>  ...se-board.dts => k3-am654-common-board.dts} |   0
>  arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso   | 145 +++++++++
>  arch/arm64/boot/dts/ti/k3-am654-idk.dtso      | 296 ++++++++++++++++++
>  arch/arm64/configs/defconfig                  |   1 +
>  6 files changed, 482 insertions(+)
>  rename arch/arm64/boot/dts/ti/{k3-am654-base-board.dts => k3-am654-common-board.dts} (100%)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso
>  create mode 100644 arch/arm64/boot/dts/ti/k3-am654-idk.dtso
> 

-- 
Regards
Vignesh