From: Leonard Crestez <leonard.crestez@nxp.com>
To: Anson Huang <anson.huang@nxp.com>, Shawn Guo <shawnguo@kernel.org>
Cc: Eduardo Valentin <edubezval@gmail.com>,
Zhang Rui <rui.zhang@intel.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>, Stephen Boyd <sboyd@kernel.org>,
Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: Re: [PATCH V3 1/5] thermal: qoriq: Add clock operations
Date: Tue, 27 Aug 2019 12:41:37 +0000 [thread overview]
Message-ID: <VI1PR04MB7023773DD477FF89E2D2181CEEA00@VI1PR04MB7023.eurprd04.prod.outlook.com> (raw)
In-Reply-To: AM6PR0402MB3911D45B3B148588A582F6C4F5A00@AM6PR0402MB3911.eurprd04.prod.outlook.com
On 27.08.2019 04:51, Anson Huang wrote:
>> In an earlier series the CLK_IS_CRITICAL flags was removed from the TMU
>> clock so if the thermal driver doesn't explicitly enable it the system will hang
>> on probe. This is what happens in linux-next right now!
>
> The thermal driver should be built with module, so default kernel should can boot
> up, do you modify the thermal driver as built-in?
>
>> Unless this patches is merged soon we'll end up with a 5.4-rc1 that doesn't
>> boot on imx8mq. An easy fix would be to drop/revert commit
>> 951c1aef9691 ("clk: imx8mq: Remove CLK_IS_CRITICAL flag for
>> IMX8MQ_CLK_TMU_ROOT") until the thermal patches are accepted.
>
> If the thermal driver is built as module, I think no need to revert the commit, but
> if by default thermal driver is built-in or mod probed, then yes, it should NOT break
> kernel boot up.
The qoriq_thermal driver is built as a module in defconfig and when
modules are properly installed in rootfs they will be automatically be
probed on boot and cause a hang.
I usually run nfsroot with modules:
make modules_install INSTALL_MOD_PATH=/srv/nfs/imx8-root
--
Regards,
Leonard
next prev parent reply other threads:[~2019-08-27 12:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 2:21 [PATCH V3 1/5] thermal: qoriq: Add clock operations Anson.Huang
2019-07-30 2:21 ` [PATCH V3 2/5] thermal: qoriq: Fix error path of calling qoriq_tmu_register_tmu_zone fail Anson.Huang
2019-08-05 7:01 ` Aisheng Dong
2019-07-30 2:21 ` [PATCH V3 3/5] thermal: qoriq: Use devm_platform_ioremap_resource() instead of of_iomap() Anson.Huang
2019-08-05 7:01 ` Aisheng Dong
2019-07-30 2:21 ` [PATCH V3 4/5] thermal: qoriq: Use __maybe_unused instead of #if CONFIG_PM_SLEEP Anson.Huang
2019-08-05 7:02 ` Aisheng Dong
2019-07-30 2:21 ` [PATCH V3 5/5] dt-bindings: thermal: qoriq: Add optional clocks property Anson.Huang
2019-08-05 7:02 ` Aisheng Dong
2019-08-05 7:00 ` [PATCH V3 1/5] thermal: qoriq: Add clock operations Aisheng Dong
2019-08-26 14:45 ` Leonard Crestez
2019-08-27 1:51 ` Anson Huang
2019-08-27 3:09 ` Zhang Rui
2019-08-27 3:24 ` Anson Huang
2019-08-27 12:41 ` Leonard Crestez [this message]
2019-08-28 8:32 ` Zhang Rui
2019-08-28 8:35 ` Zhang Rui
2019-08-28 8:49 ` Anson Huang
2019-08-28 9:01 ` Zhang Rui
2019-08-28 9:12 ` Anson Huang
2019-08-28 8:51 ` Anson Huang
2019-08-28 9:03 ` Zhang Rui
2019-08-28 9:10 ` Anson Huang
2019-08-29 2:49 ` Anson Huang
2019-08-29 3:01 ` Zhang Rui
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