Hi, I love your patch! Yet something to improve: [auto build test ERROR on iio/togreg] [also build test ERROR on linux/master linus/master v5.11-rc6 next-20210125] [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/alexandru-tachici-analog-com/iio-adc-ad7124-allow-16-channels/20210204-171550 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: h8300-randconfig-r002-20210204 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/56f256624fcb4a920f590801074b827a00299646 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review alexandru-tachici-analog-com/iio-adc-ad7124-allow-16-channels/20210204-171550 git checkout 56f256624fcb4a920f590801074b827a00299646 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/iio/adc/ad7124.c: In function 'ad7124_set_channel': >> drivers/iio/adc/ad7124.c:261:17: error: 'AD_SD_SLOT_DISABLE' undeclared (first use in this function) 261 | if (channel == AD_SD_SLOT_DISABLE) { | ^~~~~~~~~~~~~~~~~~ drivers/iio/adc/ad7124.c:261:17: note: each undeclared identifier is reported only once for each function it appears in >> drivers/iio/adc/ad7124.c:264:32: error: 'slot' undeclared (first use in this function); did you mean 'st'? 264 | if (st->channels[i].slot == slot) | ^~~~ | st vim +/AD_SD_SLOT_DISABLE +261 drivers/iio/adc/ad7124.c 254 255 static int ad7124_set_channel(struct ad_sigma_delta *sd, unsigned int channel) 256 { 257 struct ad7124_state *st = container_of(sd, struct ad7124_state, sd); 258 unsigned int val; 259 int i; 260 > 261 if (channel == AD_SD_SLOT_DISABLE) { 262 for (i = 0; i < AD7124_MAX_CHANNELS; i++) { 263 /* disable channel associated with unused slot */ > 264 if (st->channels[i].slot == slot) 265 return ad_sd_write_reg(&st->sd, AD7124_CHANNEL(i), 2, 0); 266 } 267 268 return 0; 269 } 270 271 st->channels[channel].slot = slot; 272 val = st->channels[channel].ain | AD7124_CHANNEL_EN(1) | 273 AD7124_CHANNEL_SETUP(st->channels[channel].cfg->nr); 274 275 return ad_sd_write_reg(&st->sd, AD7124_CHANNEL(channel), 2, val); 276 } 277 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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