linux-kernel - Re: imx8mm board crash in drivers/usb/chipidea/ci_hdrc

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Message-ID: <CAOMZO5DEg81E23QBpsv44BxytEhNNoXy-r5BbnubUJTERzWYLQ@mail.gmail.com>
Date:   Mon, 20 Sep 2021 07:52:00 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Heiko Thiery <heiko.thiery@...il.com>
Cc:     Peter Chen <peter.chen@....com>, Jun Li <jun.li@....com>,
        Yu Kuai <yukuai3@...wei.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Mark Brown <broonie@...nel.org>,
        USB list <linux-usb@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Frieder Schrempf <frieder.schrempf@...tron.de>
Subject: Re: imx8mm board crash in drivers/usb/chipidea/ci_hdrc_imx.c

Hi Heiko,

On Mon, Sep 20, 2021 at 6:17 AM Heiko Thiery <heiko.thiery@...il.com> wrote:

> Now it is clear to me. I used the dtb for my board that had already
> changed the phy node and tried to boot the "old" kernel 5.14. Thus no
> phy could be found. Nevertheless the kernel should not crash in case
> no phy was found.

Agreed. The patch I proposed earlier should fix the problem, correct?
https://pastebin.com/raw/yZKz1huL