linux-kernel - Re: [PATCHv2 4/6] thermal: exynos: fixed the efuse min/max value for exynos5422

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Date:   Mon, 16 May 2022 12:44:52 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     kernel test robot <lkp@...el.com>,
        Anand Moon <linux.amoon@...il.com>,
        Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org
Subject: Re: [PATCHv2 4/6] thermal: exynos: fixed the efuse min/max value for
 exynos5422

On 16/05/2022 12:42, kernel test robot wrote:
> Hi Anand,
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on ec7f49619d8ee13e108740c82f942cd401b989e9]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Anand-Moon/Exynos-Thermal-code-inprovement/20220515-144336
> base:   ec7f49619d8ee13e108740c82f942cd401b989e9
> config: hexagon-randconfig-r033-20220516 (https://download.01.org/0day-ci/archive/20220516/202205161820.8rHIcsvI-lkp@intel.com/config)
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 853fa8ee225edf2d0de94b0dcbd31bea916e825e)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/intel-lab-lkp/linux/commit/eb50b0c2100fabd6d09b87abd11f52c5295512e8
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Anand-Moon/Exynos-Thermal-code-inprovement/20220515-144336
>         git checkout eb50b0c2100fabd6d09b87abd11f52c5295512e8
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/thermal/samsung/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All warnings (new ones prefixed by >>):
> 
>>> drivers/thermal/samsung/exynos_tmu.c:929:40: warning: overlapping comparisons always evaluate to false [-Wtautological-overlap-compare]
>                    if (data->soc == SOC_ARCH_EXYNOS5420 &&
>                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
>    1 warning generated.

Ah, I did not notice it and it seems code was not compile-tested with W=1.

Anand, please be sure you compile your code with W=1...


Best regards,
Krzysztof