linux-kernel - Re: [PATCH 0/2] clk: kunit: Fix the lockdep warnings

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Date:   Fri, 21 Jul 2023 09:16:04 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Maxime Ripard <mripard@...nel.org>
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        kernel test robot <yujie.liu@...el.com>
Subject: Re: [PATCH 0/2] clk: kunit: Fix the lockdep warnings

On Fri, Jul 21, 2023 at 09:09:31AM +0200, Maxime Ripard wrote:
> Hi,
> 
> Here's a small series to address the lockdep warning we have when
> running the clk kunit tests with lockdep enabled.
> 
> For the record, it can be tested with:
> 
> $ ./tools/testing/kunit/kunit.py run \
>     --kunitconfig=drivers/clk \
>     --cross_compile aarch64-linux-gnu- --arch arm64 \
>     --kconfig_add CONFIG_DEBUG_KERNEL=y \
>     --kconfig_add CONFIG_PROVE_LOCKING=y
> 
> Let me know what you think,

The series fixes the problem for me. I sent Tested-by: tags for
both patches individually.

Thanks,
Guenter

> Maxime
> 
> Signed-off-by: Maxime Ripard <mripard@...nel.org>
> ---
> Maxime Ripard (2):
>       clk: Introduce kunit wrapper around clk_hw_init_rate_request
>       clk: Introduce kunit wrapper around __clk_determine_rate
> 
>  drivers/clk/clk.c            | 51 ++++++++++++++++++++++++++++++++++++++++++++
>  drivers/clk/clk_test.c       |  4 ++--
>  include/linux/clk-provider.h | 21 ++++++++++++++++++
>  3 files changed, 74 insertions(+), 2 deletions(-)
> ---
> base-commit: c58c49dd89324b18a812762a2bfa5a0458e4f252
> change-id: 20230721-clk-fix-kunit-lockdep-c5e62b221118
> 
> Best regards,
> -- 
> Maxime Ripard <mripard@...nel.org>
>