linux-kernel - Re: ARM iMX6sx board fails to boot with kernel 6.17

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Message-ID: <CAOMZO5BwoAzf36-L0uCTdKriGaUHg1MqZoKg56Fvob6S4coMBQ@mail.gmail.com>
Date: Mon, 6 Oct 2025 17:20:16 -0300
From: Fabio Estevam <festevam@...il.com>
To: Sergey Organov <sorganov@...il.com>
Cc: linux-kernel@...r.kernel.org, Ulf Hansson <ulf.hansson@...aro.org>, 
	Shawn Guo <shawnguo@...nel.org>, "Rob Herring (Arm)" <robh@...nel.org>, Anson Huang <Anson.Huang@....com>
Subject: Re: ARM iMX6sx board fails to boot with kernel 6.17

Hi Sergey,

On Mon, Oct 6, 2025 at 5:11 PM Sergey Organov <sorganov@...il.com> wrote:

> I've checked that I end-up with the same DTB as you sent me off-list for
> this configuration, so at least this part seems to work fine on my side.
>
> I also tried the imx_v6_v7_defconfig - based kernel on my board
> (obviously with my custom DTB), and the kernel still doesn't boot.
>
> Further, I've found that it's enough to disable CONFIG_REGULATOR_ANATOP
> in my custom kernel config to get kernel to see eMMC card, and then
> mount it as root file-system.
>
> I still fail to see what I do (or don't do) in my DTS (or kernel config)
> to confuse the kernel, and how to figure that out. Any ideas?

Please share your dts so we can take a look.