linux-kernel - Re: [PATCH v4 3/4] OPP: Add support of "opp-microwatt" for advanced EM registration

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Date:   Tue, 1 Mar 2022 17:53:23 +0000
From:   Lukasz Luba <lukasz.luba@....com>
To:     kernel test robot <lkp@...el.com>, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, dietmar.eggemann@....com,
        viresh.kumar@...aro.org, rafael@...nel.org,
        daniel.lezcano@...aro.org, nm@...com, sboyd@...nel.org,
        mka@...omium.org, dianders@...omium.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 3/4] OPP: Add support of "opp-microwatt" for advanced
 EM registration



On 3/1/22 16:58, kernel test robot wrote:
> Hi Lukasz,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on robh/for-next]
> [also build test ERROR on linux/master rafael-pm/linux-next linus/master v5.17-rc6 next-20220301]
> [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]
> 
> url:    https://github.com/0day-ci/linux/commits/Lukasz-Luba/Introduce-opp-microwatt-and-Energy-Model-from-DT/20220301-173700
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
> config: arc-randconfig-r014-20220301 (https://download.01.org/0day-ci/archive/20220302/202203020012.g7rYUP7M-lkp@intel.com/config)
> compiler: arceb-elf-gcc (GCC) 11.2.0
> 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/0day-ci/linux/commit/e1e83de9bf2f261cb3e5eb9f53bde3c83c6e0647
>          git remote add linux-review https://github.com/0day-ci/linux
>          git fetch --no-tags linux-review Lukasz-Luba/Introduce-opp-microwatt-and-Energy-Model-from-DT/20220301-173700
>          git checkout e1e83de9bf2f261cb3e5eb9f53bde3c83c6e0647
>          # save the config file to linux build tree
>          mkdir build_dir
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>     drivers/opp/of.c: In function 'dev_pm_opp_of_register_em':
>>> drivers/opp/of.c:1572:22: error: 'struct em_data_callback' has no member named 'active_power'
>      1572 |                 em_cb.active_power = _get_dt_power;
>           |                      ^
> 

Indeed, this structure is an empty definition for !EM kernels.
Let me create a fix for that.