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Message-ID: <CA+V-a8vrLyWDprGMcnbPQ5Skt=+zcRA6nJ6APOQ2V0d17pfMog@mail.gmail.com>
Date: Thu, 15 May 2025 17:10:19 +0100
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: kernel test robot <lkp@...el.com>, Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>,
Geert Uytterhoeven <geert+renesas@...der.be>, Magnus Damm <magnus.damm@...il.com>,
Chris Brandt <chris.brandt@...esas.com>, llvm@...ts.linux.dev,
oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-renesas-soc@...r.kernel.org,
Biju Das <biju.das.jz@...renesas.com>,
Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v3 2/2] clocksource/drivers/renesas-ostm: Unconditionally
enable reprobe support
Hi Geert,
On Thu, May 15, 2025 at 6:59 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> On Thu, 15 May 2025 at 07:04, kernel test robot <lkp@...el.com> wrote:
> > kernel test robot noticed the following build warnings:
> >
> > [auto build test WARNING on tip/timers/core]
> > [also build test WARNING on robh/for-next linus/master v6.15-rc6 next-20250514]
> > [cannot apply to daniel-lezcano/clockevents/next]
> > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > And when submitting patch, we suggest to use '--base' as documented in
> > https://git-scm.com/docs/git-format-patch#_base_tree_information]
> >
> > url: https://github.com/intel-lab-lkp/linux/commits/Prabhakar/dt-bindings-timer-renesas-ostm-Document-RZ-V2N-R9A09G056-support/20250506-223636
> > base: tip/timers/core
> > patch link: https://lore.kernel.org/r/20250506103152.109525-3-prabhakar.mahadev-lad.rj%40bp.renesas.com
> > patch subject: [PATCH v3 2/2] clocksource/drivers/renesas-ostm: Unconditionally enable reprobe support
> > config: hexagon-randconfig-001-20250513 (https://download.01.org/0day-ci/archive/20250515/202505151255.rCHp8Bvu-lkp@intel.com/config)
> > compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250515/202505151255.rCHp8Bvu-lkp@intel.com/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@...el.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202505151255.rCHp8Bvu-lkp@intel.com/
> >
> > All warnings (new ones prefixed by >>):
> >
> > >> drivers/clocksource/renesas-ostm.c:235:34: warning: unused variable 'ostm_of_table' [-Wunused-const-variable]
> > 235 | static const struct of_device_id ostm_of_table[] = {
> > | ^~~~~~~~~~~~~
> > 1 warning generated.
> >
> >
> > vim +/ostm_of_table +235 drivers/clocksource/renesas-ostm.c
> >
> > 3a3e9f23c2cae9 Biju Das 2021-11-12 234
> > 3a3e9f23c2cae9 Biju Das 2021-11-12 @235 static const struct of_device_id ostm_of_table[] = {
> > 3a3e9f23c2cae9 Biju Das 2021-11-12 236 { .compatible = "renesas,ostm", },
> > 3a3e9f23c2cae9 Biju Das 2021-11-12 237 { /* sentinel */ }
> > 3a3e9f23c2cae9 Biju Das 2021-11-12 238 };
> > 3a3e9f23c2cae9 Biju Das 2021-11-12 239
>
> The table is unused if CONFIG_OF=n due to
>
> .of_match_table = of_match_ptr(ostm_of_table),
>
Thanks for the pointer, I'll add a __maybe_unused compiler attribute
and send a new version.
Cheers,
Prabhakar
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds
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