linux-kernel - Re: [PATCH v1] arm64: dts: mt7986: add overlay for SATA power socket on BPI-R3

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Date:   Mon, 11 Sep 2023 14:51:42 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Frank Wunderlich <linux@...web.de>
Cc:     linux-mediatek@...ts.infradead.org,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v1] arm64: dts: mt7986: add overlay for SATA power socket
 on BPI-R3

On Fri, Sep 1, 2023 at 2:27 AM Frank Wunderlich <linux@...web.de> wrote:
>
> From: Frank Wunderlich <frank-w@...lic-files.de>
>
> Bananapi R3 has a Power socket entended for using external SATA drives.
> This Socket is off by default but can be switched with gpio 8.
>
> Add an overlay to activate it.
>
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
>  arch/arm64/boot/dts/mediatek/Makefile         |  1 +
>  .../mt7986a-bananapi-bpi-r3-sata.dtso         | 39 +++++++++++++++++++
>  2 files changed, 40 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-sata.dtso
>
> diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
> index c99c3372a4b5..822d3e36d3df 100644
> --- a/arch/arm64/boot/dts/mediatek/Makefile
> +++ b/arch/arm64/boot/dts/mediatek/Makefile
> @@ -13,6 +13,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-emmc.dtbo
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nand.dtbo
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nor.dtbo
>  dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd.dtbo
> +dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sata.dtbo

The requirement for overlays is they have a target base dt in tree and
that you apply the overlay to it. All these existing overlays have the
same problem which I pointed out when you submitted them. Please fix
the existing ones before adding more.


Rob