linux-kernel - Re: [PATCH 00/26] clk: amlogic: clock controllers clean-up and factorisation

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Message-ID: <1jldm855cd.fsf@starbuckisacylon.baylibre.com>
Date: Sun, 21 Sep 2025 14:59:30 +0200
From: Jerome Brunet <jbrunet@...libre.com>
To: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: Mark Brown <broonie@...nel.org>,  Neil Armstrong
 <neil.armstrong@...aro.org>,  Michael Turquette <mturquette@...libre.com>,
  Stephen Boyd <sboyd@...nel.org>,  Kevin Hilman <khilman@...libre.com>,
  linux-amlogic@...ts.infradead.org,  linux-clk@...r.kernel.org,
  linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/26] clk: amlogic: clock controllers clean-up and
 factorisation

On Sun 21 Sep 2025 at 14:21, Martin Blumenstingl <martin.blumenstingl@...glemail.com> wrote:

> Hi Mark,
>
> On Sun, Sep 21, 2025 at 1:25 PM Mark Brown <broonie@...nel.org> wrote:
>>
>> On Wed, Jul 02, 2025 at 05:25:58PM +0200, Jerome Brunet wrote:
>> > The work on this patchset started with the submission of the Amlogic t7
>> > peripheral clock controller [1]. This controller is fairly similar to
>> > existing controllers. Once again, it redefines the peripheral clock macro,
>> > the probe function and composite clock helpers, even if it is almost the
>> > same as in other controllers. This code duplication trend has been going on
>> > for too long and now is the time to properly address the problem.
>>
>> Friday's -next breaks the boot for me on the Libretch Alta.  The system
>> doesn't show any output on the console unfortunately:
>>
>>    https://lava.sirena.org.uk/scheduler/job/1853204#L1606
>>
>> Unfortunately earlycon isn't turned on, I'll try to do so at tomorrow or
>> Tuesday.
>>
>> A bisect points to the patch 4c4e17f27013 ("clk: amlogic: naming
>> consistency alignment") which looks like it's a squash of several of the
>> patches here.  Due to issues with the bootloader it could potentially be
>> an adjacent commit but this looks suspiciously relevant.  Bisect log, my
>> infrastructure does retry the boot a lot on these boards so even if the
>> final error is a bootloader issue there will likely have been boots that
>> start the kernel:
> A few days ago Marek reported problems on an Odroid-N2 and provided a fix: [0]
> It's not queued up for -next yet.
>
> Please give Marek's patch a try
>
>
> [0]
> https://lore.kernel.org/linux-amlogic/175834437006.4354.11933545174004616373@lazor/T/#m29128b0acec2db62d45971d94a1c38fedc8493a0

Hey Mark,

Being on the A311D as well, it is likely to be the same issue.
I suspect you would not see the crash it without earlycon indeed.

The fix is in clk-next already so linux-next should get it soon.
Sorry for the inconvenience and thanks for the report.

-- 
Jerome