linux-kernel - Re: drivers/pinctrl/qcom/pinctrl-ipq5018.c:244:27: warning: unused variable '

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Message-ID: <CACRpkdbYPAiOa4QU+PUxVjcOtkBT2O7fogh51VvSEbFPutH7ng@mail.gmail.com>
Date:   Thu, 20 Jul 2023 21:21:33 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     kernel test robot <lkp@...el.com>,
        Sricharan Ramabadhran <quic_srichara@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Nitheesh Sekar <quic_nsekar@...cinc.com>,
        Varadarajan Narayanan <quic_varada@...cinc.com>
Subject: Re: drivers/pinctrl/qcom/pinctrl-ipq5018.c:244:27: warning: unused
 variable '_groups'

Hi Srirachan, Bjorn,

is this warning valid or something I should ignore?

Yours,
Linus Walleij

On Wed, Jul 12, 2023 at 2:32 AM kernel test robot <lkp@...el.com> wrote:
>
> Hi Sricharan,
>
> FYI, the error/warning still remains.
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   3f01e9fed8454dcd89727016c3e5b2fbb8f8e50c
> commit: 725d1c8916583f9c09e5f05e5a55dd47fdca61c1 pinctrl: qcom: Add IPQ5018 pinctrl driver
> date:   5 weeks ago
> config: arm64-randconfig-r015-20230712 (https://download.01.org/0day-ci/archive/20230712/202307120814.vWPY6URk-lkp@intel.com/config)
> compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
> reproduce: (https://download.01.org/0day-ci/archive/20230712/202307120814.vWPY6URk-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/202307120814.vWPY6URk-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> >> drivers/pinctrl/qcom/pinctrl-ipq5018.c:244:27: warning: unused variable '_groups' [-Wunused-const-variable]
>    static const char * const _groups[] = {
>                              ^
>    1 warning generated.
>
>
> vim +/_groups +244 drivers/pinctrl/qcom/pinctrl-ipq5018.c
>
>    243
>  > 244  static const char * const _groups[] = {
>    245          "gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7",
>    246          "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14",
>    247          "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21",
>    248          "gpio22", "gpio23", "gpio24", "gpio25", "gpio26", "gpio27", "gpio28",
>    249          "gpio29", "gpio30", "gpio31", "gpio32", "gpio33", "gpio34", "gpio35",
>    250          "gpio36", "gpio37", "gpio38", "gpio39", "gpio40", "gpio41", "gpio42",
>    251          "gpio43", "gpio44", "gpio45", "gpio46",
>    252  };
>    253
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki