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Re: [PATCH v4 2/3] hwmon: (adt7475) temperature smoothing

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On 16/05/17 20:23, kbuild test robot wrote:
> Hi Chris,
>
> [auto build test ERROR on hwmon/hwmon-next]
> [also build test ERROR on v4.12-rc1 next-20170516]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url:    https://github.com/0day-ci/linux/commits/Chris-Packham/hwmon-adt7475-fan-stall-prevention/20170515-093530
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next
> config: x86_64-rhel (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
>    drivers/hwmon/adt7475.c: In function 'set_temp_st':
>>> drivers/hwmon/adt7475.c:622:9: error: implicit declaration of function 'find_closest_descending' [-Werror=implicit-function-declaration]
>       val = find_closest_descending(val, ad7475_st_map,
>             ^~~~~~~~~~~~~~~~~~~~~~~
>    cc1: some warnings being treated as errors
>
> vim +/find_closest_descending +622 drivers/hwmon/adt7475.c
>
>    616			shift = 4;
>    617			idx = 1;
>    618			break;
>    619		}
>    620	
>    621		if (val > 0) {
>  > 622			val = find_closest_descending(val, ad7475_st_map,
>    623						      ARRAY_SIZE(ad7475_st_map));
>    624			val |= 0x8;
>    625		}
>
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>

I'm not sure how this is failing. find_closest_descending() is a macro 
defined in linux/util_macros.h which is explicitly included in 
drivers/hwmon/adt7475.c. Aside from the include guards there's nothing 
conditional about it.

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Re: [PATCH v4 2/3] hwmon: (adt7475) temperature smoothing Chris Packham <Chris.Packham@alliedtelesis.co.nz> - 2017-05-16 22:40 +0200
  Re: [PATCH v4 2/3] hwmon: (adt7475) temperature smoothing Guenter Roeck <linux@roeck-us.net> - 2017-05-17 00:10 +0200
  Re: [kbuild-all] [PATCH v4 2/3] hwmon: (adt7475) temperature  smoothing Ye Xiaolong <xiaolong.ye@intel.com> - 2017-05-17 05:10 +0200
    Re: [kbuild-all] [PATCH v4 2/3] hwmon: (adt7475) temperature  smoothing Chris Packham <Chris.Packham@alliedtelesis.co.nz> - 2017-05-17 05:30 +0200
      Re: [kbuild-all] [PATCH v4 2/3] hwmon: (adt7475) temperature  smoothing Ye Xiaolong <xiaolong.ye@intel.com> - 2017-05-17 06:50 +0200
        Re: [kbuild-all] [PATCH v4 2/3] hwmon: (adt7475) temperature  smoothing Guenter Roeck <linux@roeck-us.net> - 2017-05-17 07:30 +0200
          Re: [kbuild-all] [PATCH v4 2/3] hwmon: (adt7475) temperature  smoothing Ye Xiaolong <xiaolong.ye@intel.com> - 2017-05-18 05:10 +0200
            Re: [kbuild-all] [PATCH v4 2/3] hwmon: (adt7475) temperature  smoothing Guenter Roeck <linux@roeck-us.net> - 2017-05-18 06:10 +0200

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