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

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Message-ID: <201705161614.nmuA5Qiv%fengguang.wu@intel.com>
Date:   Tue, 16 May 2017 16:17:16 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     kbuild-all@...org, linux@...ck-us.net, linux-hwmon@...r.kernel.org,
        jdelvare@...e.com,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/3] hwmon: (adt7475) temperature smoothing

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

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