linux-kernel - Re: [PATCH 5/6] clk: imx8mq: Remove CLK_IS_CRITICAL flag for IMX8MQ_CLK_TMU

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Date:   Sun, 28 Jul 2019 09:58:58 +0200
From:   Guido Günther <agx@...xcpu.org>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Daniel Baluta <daniel.baluta@...il.com>,
        Anson Huang <Anson.Huang@....com>,
        Mark Rutland <mark.rutland@....com>,
        Carlo Caione <ccaione@...libre.com>,
        "Angus Ainslie (Purism)" <angus@...ea.ca>,
        Leonard Crestez <leonard.crestez@....com>,
        linux-clk <linux-clk@...r.kernel.org>,
        Abel Vesa <abel.vesa@....com>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        dl-linux-imx <Linux-imx@....com>,
        "rui.zhang" <rui.zhang@...el.com>,
        Michael Turquette <mturquette@...libre.com>,
        Devicetree List <devicetree@...r.kernel.org>,
        linux-pm@...r.kernel.org, Sascha Hauer <s.hauer@...gutronix.de>,
        Eduardo Valentin <edubezval@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Lucas Stach <l.stach@...gutronix.de>
Subject: Re: [PATCH 5/6] clk: imx8mq: Remove CLK_IS_CRITICAL flag for
 IMX8MQ_CLK_TMU_ROOT

Hi Fabio,
On Sat, Jul 27, 2019 at 05:17:50PM -0300, Fabio Estevam wrote:
> Hi Guido,
> 
> On Sat, Jul 27, 2019 at 3:26 PM Guido Günther <agx@...xcpu.org> wrote:
> 
> > I noticed a boot hang yesterday on next-20190726 when loading the
> > qoriq_thermal which I worked around by blacklisting it. The
> > fsl,imx8mq-tmu node specifies a clock (IMX8MQ_CLK_TMU_ROOT) but does not
> > seem to enable, shouldn't it do so?
> 
> Yes, I think you are right.
> 
> I don't have access to a imx8mq board at the moment, but something
> like below would probably help:
> http://code.bulix.org/pd88jp-812381
> 
> If it helps, I can send it as a formal patch.

Yes, this fixes it for me, thanks!
 -- Guido