linux-kernel - Re: [PATCH v3] ARM: dts: exynos: Remove DMA controller bus node name to fix dtschema warnings

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Date:   Mon, 6 Jul 2020 08:08:07 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Kukjin Kim <kgene@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Sylwester Nawrocki <snawrocki@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Pankaj Dubey <pankaj.dubey@...sung.com>
Subject: Re: [PATCH v3] ARM: dts: exynos: Remove DMA controller bus node
 name to fix dtschema warnings


On 05.07.2020 20:17, Krzysztof Kozlowski wrote:
> There is no need to keep DMA controller nodes under AMBA bus node.
> Remove the "amba" node to fix dtschema warnings like:
>
>      amba: $nodename:0: 'amba' does not match '^(bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>

Works fine on all affected SoCs.

Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>

>
> ---
>
> Changes since v2:
> 1. Keep the alphabetical order in exynos4210-universal_c210.dts, as suggested by Marek
>
> Changes since v1:
> 1. Remove the bus, as suggested by Marek
> ---
>   arch/arm/boot/dts/exynos3250.dtsi             |  47 +++----
>   arch/arm/boot/dts/exynos4.dtsi                |  70 +++++-----
>   .../boot/dts/exynos4210-universal_c210.dts    |  28 ++--
>   arch/arm/boot/dts/exynos5250.dtsi             |  92 ++++++-------
>   arch/arm/boot/dts/exynos5410.dtsi             |  46 +++----
>   arch/arm/boot/dts/exynos5420.dtsi             | 130 ++++++++----------
>   6 files changed, 187 insertions(+), 226 deletions(-)
>
 > ...

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland