linux-kernel - Re: [PATCH v2 2/2] iio: adc: adding support for pac193x

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Date:   Thu, 26 Oct 2023 01:23:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     marius.cristea@...rochip.com, jic23@...nel.org, lars@...afoo.de,
        robh+dt@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        marius.cristea@...rochip.com
Subject: Re: [PATCH v2 2/2] iio: adc: adding support for pac193x

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 5e99f692d4e32e3250ab18d511894ca797407aec]

url:    https://github.com/intel-lab-lkp/linux/commits/marius-cristea-microchip-com/dt-bindings-iio-adc-adding-dt-bindings-for-PAC193X/20231025-214558
base:   5e99f692d4e32e3250ab18d511894ca797407aec
patch link:    https://lore.kernel.org/r/20231025134404.131485-3-marius.cristea%40microchip.com
patch subject: [PATCH v2 2/2] iio: adc: adding support for pac193x
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20231026/202310260114.N4b9wmIC-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231026/202310260114.N4b9wmIC-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310260114.N4b9wmIC-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/iio/adc/pac1934.c:1751:36: warning: 'pac1934_acpi_match' defined but not used [-Wunused-const-variable=]
    1751 | static const struct acpi_device_id pac1934_acpi_match[] = {
         |                                    ^~~~~~~~~~~~~~~~~~


vim +/pac1934_acpi_match +1751 drivers/iio/adc/pac1934.c

  1749	
  1750	/* using MCHP1930 to be compatible with WINDOWS ACPI */
> 1751	static const struct acpi_device_id pac1934_acpi_match[] = {
  1752		{"MCHP1930", 0},
  1753		{ }
  1754	};
  1755	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki