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SubjectRE: [PATCH 5/6] clk: imx8mq: Remove CLK_IS_CRITICAL flag for IMX8MQ_CLK_TMU_ROOT
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Hi, Daniel

> Subject: Re: [PATCH 5/6] clk: imx8mq: Remove CLK_IS_CRITICAL flag for
> IMX8MQ_CLK_TMU_ROOT
>
> Hi all,
>
> latest linux-next hangs at boot.
>
> commit fde50b96be821ac9673a7e00847cc4605bd88f34 (HEAD -> master, tag:
> next-20190726, origin/master, origin/HEAD)
> Author: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Fri Jul 26 15:18:02 2019 +1000
>
> Add linux-next specific files for 20190726
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
>
>
> I know this is crazy but reverting commit:
>
> commit 431bdd1df48ee2896ea9980d9153e3aeaf0c81ef (refs/bisect/bad)
> Author: Anson Huang <Anson.Huang@nxp.com>
> Date: Fri Jul 5 12:56:11 2019 +0800
>
> clk: imx8mq: Remove CLK_IS_CRITICAL flag for IMX8MQ_CLK_TMU_ROOT
>
> IMX8MQ_CLK_TMU_ROOT is ONLY used for thermal module, the driver
> should manage this clock, so no need to have CLK_IS_CRITICAL flag
> set.
>
>
>
> makes the boot work again.
>
> Any idea?

I just found if disabling SDMA1, then kernel can boot up, it does NOT make sense
TMU clock is related to SDMA1, I will check with design and get back to you soon.

Anson

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