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From:   Adam Ford <aford173@gmail.com>
Date:   Fri, 27 Mar 2020 21:49:48 -0500
Message-ID: <CAHCN7xJSKH-gXA5ncFS3h6_2R28rn70O3HfT=ActS1XVgCFSeg@mail.gmail.com>
Subject: i.MX8MN Errors on 5.6-RC7
To:     arm-soc <linux-arm-kernel@lists.infradead.org>
Cc:     Adam Ford-BE <aford@beaconembedded.com>,
        Adam Ford <aford173@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Fabio Estevam <festevam@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        Anson Huang <Anson.Huang@nxp.com>,
        devicetree <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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I am getting a few errors on the i.MX8MN:

[    0.000368] Failed to get clock for /timer@306a0000
[    0.000380] Failed to initialize '/timer@306a0000': -22
[    7.203447] caam 30900000.caam: Failed to get clk 'ipg': -2
[    7.334741] caam 30900000.caam: Failed to request all necessary clocks
[    7.438651] caam: probe of 30900000.caam failed with error -2
[    7.854193] imx-cpufreq-dt: probe of imx-cpufreq-dt failed with error -2

I was curious to know if anyone else is seeing similar errors.  I
already submitted a proposed fix for a DMA timeout (not shown here)
which matched work already done on i.MX8MQ and i.MX8MM.

I am not seeing huge differences between 8MM and 8MN in the nodes
which address the timer, caam or imx-cpufreq-dt.

If anyone has any suggestions, I'd love to try them.

adam