Re: [PATCH v5 3/5] iio: proximity: Add SX9324 support

[kernel test robot <lkp@intel.com>]

Hi Gwendal,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on jic23-iio/togreg]
[also build test WARNING on v5.16-rc4 next-20211208]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Gwendal-Grignou/Expand-Semtech-SAR-Sensors-support/20211208-084635
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: riscv-randconfig-c006-20211208 (https://download.01.org/0day-ci/archive/20211208/202112082323.CEzDjrR6-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 097a1cb1d5ebb3a0ec4bcaed8ba3ff6a8e33c00a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/d02716a5c3a619239e594e6ba6af2ec38fd3de3d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Gwendal-Grignou/Expand-Semtech-SAR-Sensors-support/20211208-084635
        git checkout d02716a5c3a619239e594e6ba6af2ec38fd3de3d
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/iio/proximity/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/iio/proximity/sx9324.c:166:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
           int i, ret, pin_idx;
                  ^
>> drivers/iio/proximity/sx9324.c:871:36: warning: unused variable 'sx9324_acpi_match' [-Wunused-const-variable]
   static const struct acpi_device_id sx9324_acpi_match[] = {
                                      ^
   2 warnings generated.


vim +/sx9324_acpi_match +871 drivers/iio/proximity/sx9324.c

   870	
 > 871	static const struct acpi_device_id sx9324_acpi_match[] = {
   872		{ "STH9324", SX9324_WHOAMI_VALUE},
   873		{ }
   874	};
   875	MODULE_DEVICE_TABLE(acpi, sx9324_acpi_match);
   876	

---
0-DAY CI Kernel Test Service, Intel Corporation
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