linux-kernel - Re: [PATCH v2 3/4] thermal: devfreq_cooling: Refactor code and switch to use Energy Model

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Date:   Sat, 8 Feb 2020 18:39:35 +0800
From:   kbuild test robot <lkp@...el.com>
To:     lukasz.luba@....com
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org, linux-omap@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
        linux-imx@....com, Morten.Rasmussen@....com,
        Dietmar.Eggemann@....com, Chris.Redpath@....com,
        ionela.voinescu@....com, javi.merino@....com,
        cw00.choi@...sung.com, b.zolnierkie@...sung.com, rjw@...ysocki.net,
        sudeep.holla@....com, viresh.kumar@...aro.org, nm@...com,
        sboyd@...nel.org, rui.zhang@...el.com, amit.kucheria@...durent.com,
        daniel.lezcano@...aro.org, mingo@...hat.com, peterz@...radead.org,
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        airlied@...ux.ie, daniel@...ll.ch, liviu.dudau@....com,
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        patrick.bellasi@...bug.net
Subject: Re: [PATCH v2 3/4] thermal: devfreq_cooling: Refactor code and
 switch to use Energy Model

Hi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pm/linux-next]
[also build test WARNING on linus/master next-20200207]
[cannot apply to tip/sched/core linux/master v5.5]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/lukasz-luba-arm-com/Add-support-for-devices-in-the-Energy-Model/20200208-123516
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: sparc-allyesconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=sparc 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/devfreq_cooling.h:21:0,
                    from drivers/thermal/devfreq_cooling.c:14:
   drivers/thermal/devfreq_cooling.c: In function 'freq_get_state':
>> include/linux/thermal.h:24:32: warning: overflow in implicit constant conversion [-Woverflow]
    #define THERMAL_CSTATE_INVALID -1UL
                                   ^
>> drivers/thermal/devfreq_cooling.c:207:9: note: in expansion of macro 'THERMAL_CSTATE_INVALID'
     return THERMAL_CSTATE_INVALID;
            ^~~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/devfreq_cooling.h:21:0,
                    from drivers//thermal/devfreq_cooling.c:14:
   drivers//thermal/devfreq_cooling.c: In function 'freq_get_state':
>> include/linux/thermal.h:24:32: warning: overflow in implicit constant conversion [-Woverflow]
    #define THERMAL_CSTATE_INVALID -1UL
                                   ^
   drivers//thermal/devfreq_cooling.c:207:9: note: in expansion of macro 'THERMAL_CSTATE_INVALID'
     return THERMAL_CSTATE_INVALID;
            ^~~~~~~~~~~~~~~~~~~~~~

vim +24 include/linux/thermal.h

23064088d6aea04 Durgadoss R 2012-09-18  22  
57df8106932b574 Zhang Rui   2013-02-08  23  /* invalid cooling state */
57df8106932b574 Zhang Rui   2013-02-08 @24  #define THERMAL_CSTATE_INVALID -1UL
57df8106932b574 Zhang Rui   2013-02-08  25  

:::::: The code at line 24 was first introduced by commit
:::::: 57df8106932b57427df1eaaa13871857f75b1194 Thermal: exynos: fix cooling state translation

:::::: TO: Zhang Rui <rui.zhang@...el.com>
:::::: CC: Zhang Rui <rui.zhang@...el.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (60880 bytes)