Hi Ismail, [auto build test WARNING on iio/togreg] [also build test WARNING on v4.14-rc1 next-20170919] [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/Ismail-Kose/iio-dac-ds4422-ds4424-dac-driver/20170919-205022 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: ia64-allyesconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All warnings (new ones prefixed by >>): >> drivers/iio/dac/ds4424.c:62:2: warning: 'unused' attribute ignored [-Wattributes] __maybe_unused uint16_t save[DS4424_MAX_DAC_CHANNELS]; ^~~~~~~~~~~~~~ drivers/iio/dac/ds4424.c: In function 'ds4424_parse_dt': drivers/iio/dac/ds4424.c:232:6: warning: unused variable 'count' [-Wunused-variable] int count; ^~~~~ vim +/unused +62 drivers/iio/dac/ds4424.c 58 59 struct ds4424_data { 60 struct i2c_client *client; 61 struct mutex lock; > 62 __maybe_unused uint16_t save[DS4424_MAX_DAC_CHANNELS]; 63 uint32_t rfs_res[DS4424_MAX_DAC_CHANNELS]; 64 struct regulator *vcc_reg; 65 uint8_t raw[DS4424_MAX_DAC_CHANNELS]; 66 }; 67 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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