Hi Srinivas, I love your patch! Perhaps something to improve: [auto build test WARNING on asoc/for-next] [also build test WARNING on v5.11-rc7 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/Srinivas-Kandagatla/ASoC-codecs-... base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: nds32-allyesconfig (attached as .config) compiler: nds32le-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/f89c637c64f13146c0b9117f3c8a6c43a... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Srinivas-Kandagatla/ASoC-codecs-add-support-for-LPASS-Codec-TX-and-RX-macros/20210210-173746 git checkout f89c637c64f13146c0b9117f3c8a6c43adf5eeb3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): sound/soc/codecs/lpass-tx-macro.c: In function 'tx_macro_tx_hpf_corner_freq_callback': 656 | u16 adc_reg; | ^~~~~~~ vim +/adc_reg +656 sound/soc/codecs/lpass-tx-macro.c 647 648 static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work) 649 { 650 struct delayed_work *hpf_delayed_work; 651 struct hpf_work *hpf_work; 652 struct tx_macro *tx; 653 struct snd_soc_component *component; 654 u16 dec_cfg_reg, hpf_gate_reg; 655 u8 hpf_cut_off_freq; 657 658 hpf_delayed_work = to_delayed_work(work); 659 hpf_work = container_of(hpf_delayed_work, struct hpf_work, dwork); 660 tx = hpf_work->tx; 661 component = tx->component; 662 hpf_cut_off_freq = hpf_work->hpf_cut_off_freq; 663 664 dec_cfg_reg = CDC_TXn_TX_PATH_CFG0(hpf_work->decimator); 665 hpf_gate_reg = CDC_TXn_TX_PATH_SEC2(hpf_work->decimator); 666 667 if (is_amic_enabled(component, hpf_work->decimator)) { 668 adc_reg = CDC_TX_INP_MUX_ADC_MUXn_CFG0(hpf_work->decimator); 669 snd_soc_component_write_field(component, 670 dec_cfg_reg, 671 CDC_TXn_HPF_CUT_FREQ_MASK, 672 hpf_cut_off_freq); 673 snd_soc_component_update_bits(component, hpf_gate_reg, 674 CDC_TXn_HPF_F_CHANGE_MASK | 675 CDC_TXn_HPF_ZERO_GATE_MASK, 676 0x02); 677 snd_soc_component_update_bits(component, hpf_gate_reg, 678 CDC_TXn_HPF_F_CHANGE_MASK | 679 CDC_TXn_HPF_ZERO_GATE_MASK, 680 0x01); 681 } else { 682 snd_soc_component_write_field(component, dec_cfg_reg, 683 CDC_TXn_HPF_CUT_FREQ_MASK, 684 hpf_cut_off_freq); 685 snd_soc_component_write_field(component, hpf_gate_reg, 686 CDC_TXn_HPF_F_CHANGE_MASK, 0x1); 687 /* Minimum 1 clk cycle delay is required as per HW spec */ 688 usleep_range(1000, 1010); 689 snd_soc_component_write_field(component, hpf_gate_reg, 690 CDC_TXn_HPF_F_CHANGE_MASK, 0x0); 691 } 692 } 693 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org