linux-kernel - Re: [PATCH V1]iio: adc: spmi-vadc: Changes to support different scaling

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Date:   Wed, 2 Nov 2016 15:25:11 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Rama Krishna Phani A <rphani@...eaurora.org>
Cc:     kbuild-all@...org, linux-iio@...r.kernel.org, jic23@...nel.org,
        linux-arm-msm@...r.kernel.org, smohanad@...eaurora.org,
        mgautam@...eaurora.org,
        Rama Krishna Phani A <rphani@...eaurora.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Julia Lawall <Julia.Lawall@...6.fr>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V1]iio: adc: spmi-vadc: Changes to support different
 scaling

Hi Rama,

[auto build test WARNING on iio/togreg]
[also build test WARNING on v4.9-rc3 next-20161028]
[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/Rama-Krishna-Phani-A/iio-adc-spmi-vadc-Changes-to-support-different-scaling/20161025-141253
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: openrisc-allmodconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All warnings (new ones prefixed by >>):

   drivers/iio/adc/qcom-spmi-vadc.c: In function 'vadc_scale_fn':
>> drivers/iio/adc/qcom-spmi-vadc.c:632:4: warning: comparison of distinct pointer types lacks a cast
   drivers/iio/adc/qcom-spmi-vadc.c:646:4: warning: comparison of distinct pointer types lacks a cast

vim +632 drivers/iio/adc/qcom-spmi-vadc.c

   616		int ret;
   617	
   618		switch (prop->scale_function) {
   619	
   620		case SCALE_DEFAULT:
   621			vadc_scale_calib(vadc, adc_code, prop, &voltage);
   622	
   623			prescale = &vadc_prescale_ratios[prop->prescale];
   624			voltage = voltage * prescale->den;
   625			return div64_s64(voltage, prescale->num);
   626	
   627		case SCALE_THERM_100K_PULLUP:
   628		case SCALE_XOTHERM:
   629			vadc_scale_calib(vadc, adc_code, prop, &voltage);
   630	
   631			if (prop->calibration == VADC_CALIB_ABSOLUTE)
 > 632				do_div(voltage, 1000);
   633	
   634			vadc_map_voltage_temp(adcmap_100k_104ef_104fb,
   635					      ARRAY_SIZE(adcmap_100k_104ef_104fb),
   636					      voltage, &result);
   637			result *= 1000;
   638			return result;
   639	
   640		case SCALE_PMIC_THERM:

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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