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

From: kbuild test robot <lkp@intel.com>
To: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: kbuild-all@01.org, linux@roeck-us.net,
	linux-hwmon@vger.kernel.org, jdelvare@suse.com,
	Chris Packham <chris.packham@alliedtelesis.co.nz>,
	Jonathan Corbet <corbet@lwn.net>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/3] hwmon: (adt7475) temperature smoothing
Date: Tue, 16 May 2017 16:17:16 +0800	[thread overview]
Message-ID: <201705161614.nmuA5Qiv%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170515013029.31397-3-chris.packham@alliedtelesis.co.nz>

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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		}

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0-DAY kernel test infrastructure                Open Source Technology Center
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