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Message-ID: <CA+G9fYvFujaoUqbLh_gcfnPjUVVQD=VHqi6k2ruf57BO1tR5ag@mail.gmail.com>
Date:   Wed, 9 Jun 2021 00:43:46 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        linux-stable <stable@...r.kernel.org>,
        Fabio Estevam <festevam@...il.com>,
        Marek Vasut <marex@...x.de>,
        Christoph Niedermaier <cniedermaier@...electronics.com>,
        Ludwig Zenz <lzenz@...electronics.com>,
        NXP Linux Team <linux-imx@....com>,
        Shawn Guo <shawnguo@...nel.org>
Subject: Re: [PATCH 4.19 28/58] ARM: dts: imx6q-dhcom: Add PU,VDD1P1,VDD2P5 regulators

On Wed, 9 Jun 2021 at 00:08, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> From: Marek Vasut <marex@...x.de>
>
> commit 8967b27a6c1c19251989c7ab33c058d16e4a5f53 upstream.
>
> Per schematic, both PU and SOC regulator are supplied from LTC3676 SW1
> via VDDSOC_IN rail, add the PU input. Both VDD1P1, VDD2P5 are supplied
> from LTC3676 SW2 via VDDHIGH_IN rail, add both inputs.
>
> While no instability or problems are currently observed, the regulators
> should be fully described in DT and that description should fully match
> the hardware, else this might lead to unforseen issues later. Fix this.
>
> Fixes: 52c7a088badd ("ARM: dts: imx6q: Add support for the DHCOM iMX6 SoM and PDK2")
> Reviewed-by: Fabio Estevam <festevam@...il.com>
> Signed-off-by: Marek Vasut <marex@...x.de>
> Cc: Christoph Niedermaier <cniedermaier@...electronics.com>
> Cc: Fabio Estevam <festevam@...il.com>
> Cc: Ludwig Zenz <lzenz@...electronics.com>
> Cc: NXP Linux Team <linux-imx@....com>
> Cc: Shawn Guo <shawnguo@...nel.org>
> Cc: stable@...r.kernel.org
> Reviewed-by: Christoph Niedermaier <cniedermaier@...electronics.com>
> Signed-off-by: Shawn Guo <shawnguo@...nel.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>  arch/arm/boot/dts/imx6q-dhcom-som.dtsi |   12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> --- a/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
> +++ b/arch/arm/boot/dts/imx6q-dhcom-som.dtsi
> @@ -407,6 +407,18 @@
>         vin-supply = <&sw1_reg>;
>  };
>
> +&reg_pu {
> +       vin-supply = <&sw1_reg>;
> +};
> +
> +&reg_vdd1p1 {
> +       vin-supply = <&sw2_reg>;
> +};
> +
> +&reg_vdd2p5 {
> +       vin-supply = <&sw2_reg>;
> +};
> +
>  &uart1 {
>         pinctrl-names = "default";
>         pinctrl-0 = <&pinctrl_uart1>;

arm dtb build failed on stable rc 4.19

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=arm
CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache
arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc'
Error: /builds/linux/arch/arm/boot/dts/imx6q-dhcom-som.dtsi:414.1-12
Label or path reg_vdd1p1 not found
Error: /builds/linux/arch/arm/boot/dts/imx6q-dhcom-som.dtsi:418.1-12
Label or path reg_vdd2p5 not found
FATAL ERROR: Syntax error parsing input tree
make[2]: *** [scripts/Makefile.lib:294:
arch/arm/boot/dts/imx6q-dhcom-pdk2.dtb] Error 1

Reported-by:  Linux Kernel Functional Testing <lkft@...aro.org>

build url:
https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc/-/jobs/1328891505#L477

Config:
https://builds.tuxbuild.com/1tg0YjTz4ow5CkHv0bzTc05pVs5/config

--
Linaro LKFT
https://lkft.linaro.org

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