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Message-ID: <DB3PR0402MB3916233A56CF5DF778115716F5C30@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date: Sat, 27 Jul 2019 06:19:07 +0000
From: Anson Huang <anson.huang@....com>
To: Daniel Baluta <daniel.baluta@...il.com>
CC: "rui.zhang@...el.com" <rui.zhang@...el.com>,
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Subject: RE: [PATCH 5/6] clk: imx8mq: Remove CLK_IS_CRITICAL flag for
IMX8MQ_CLK_TMU_ROOT
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@...b.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@...b.auug.org.au>
>
>
> I know this is crazy but reverting commit:
>
> commit 431bdd1df48ee2896ea9980d9153e3aeaf0c81ef (refs/bisect/bad)
> Author: Anson Huang <Anson.Huang@....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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