CC: [email protected]
BCC: [email protected]
CC: [email protected]
TO: Antoniu Miclaus <[email protected]>
CC: Jonathan Cameron <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   1831fed559732b132aef0ea8261ac77e73f7eadf
commit: f4eb9ac7842ff22370e262b8440edada40b1680a iio: frequency: admv1014: add 
support for ADMV1014
date:   7 weeks ago
:::::: branch date: 2 hours ago
:::::: commit date: 7 weeks ago
config: parisc-randconfig-s032-20220408 
(https://download.01.org/0day-ci/archive/20220408/[email protected]/config)
compiler: hppa64-linux-gcc (GCC) 11.2.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4eb9ac7842ff22370e262b8440edada40b1680a
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f4eb9ac7842ff22370e262b8440edada40b1680a
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc64 
SHELL=/bin/bash drivers/iio/frequency/ lib/xz/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)
>> drivers/iio/frequency/admv1014.c:703:22: sparse: sparse: dubious: x & !y

vim +703 drivers/iio/frequency/admv1014.c

f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  608  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  609  static int admv1014_init(struct 
admv1014_state *st)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  610  {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  611          unsigned int chip_id, 
enable_reg, enable_reg_msk;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  612          struct spi_device *spi 
= st->spi;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  613          int ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  614  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  615          ret = 
regulator_bulk_enable(ADMV1014_NUM_REGULATORS, st->regulators);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  616          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  617                  
dev_err(&spi->dev, "Failed to enable regulators");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  618                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  619          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  620  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  621          ret = 
devm_add_action_or_reset(&spi->dev, admv1014_reg_disable, st->regulators);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  622          if (ret)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  623                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  624  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  625          ret = 
clk_prepare_enable(st->clkin);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  626          if (ret)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  627                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  628  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  629          ret = 
devm_add_action_or_reset(&spi->dev, admv1014_clk_disable, st->clkin);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  630          if (ret)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  631                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  632  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  633          st->nb.notifier_call = 
admv1014_freq_change;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  634          ret = 
devm_clk_notifier_register(&spi->dev, st->clkin, &st->nb);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  635          if (ret)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  636                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  637  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  638          ret = 
devm_add_action_or_reset(&spi->dev, admv1014_powerdown, st);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  639          if (ret)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  640                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  641  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  642          /* Perform a software 
reset */
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  643          ret = 
__admv1014_spi_update_bits(st, ADMV1014_REG_SPI_CONTROL,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  644                                  
         ADMV1014_SPI_SOFT_RESET_MSK,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  645                                  
         FIELD_PREP(ADMV1014_SPI_SOFT_RESET_MSK, 1));
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  646          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  647                  
dev_err(&spi->dev, "ADMV1014 SPI software reset failed.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  648                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  649          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  650  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  651          ret = 
__admv1014_spi_update_bits(st, ADMV1014_REG_SPI_CONTROL,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  652                                  
         ADMV1014_SPI_SOFT_RESET_MSK,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  653                                  
         FIELD_PREP(ADMV1014_SPI_SOFT_RESET_MSK, 0));
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  654          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  655                  
dev_err(&spi->dev, "ADMV1014 SPI software reset disable failed.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  656                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  657          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  658  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  659          ret = 
__admv1014_spi_write(st, ADMV1014_REG_VVA_TEMP_COMP, 0x727C);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  660          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  661                  
dev_err(&spi->dev, "Writing default Temperature Compensation value failed.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  662                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  663          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  664  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  665          ret = 
__admv1014_spi_read(st, ADMV1014_REG_SPI_CONTROL, &chip_id);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  666          if (ret)
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  667                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  668  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  669          chip_id = 
FIELD_GET(ADMV1014_CHIP_ID_MSK, chip_id);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  670          if (chip_id != 
ADMV1014_CHIP_ID) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  671                  
dev_err(&spi->dev, "Invalid Chip ID.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  672                  ret = -EINVAL;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  673                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  674          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  675  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  676          ret = 
__admv1014_spi_update_bits(st, ADMV1014_REG_QUAD,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  677                                  
         ADMV1014_QUAD_SE_MODE_MSK,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  678                                  
         FIELD_PREP(ADMV1014_QUAD_SE_MODE_MSK,
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  679                                  
                    st->quad_se_mode));
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  680          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  681                  
dev_err(&spi->dev, "Writing Quad SE Mode failed.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  682                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  683          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  684  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  685          ret = 
admv1014_update_quad_filters(st);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  686          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  687                  
dev_err(&spi->dev, "Update Quad Filters failed.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  688                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  689          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  690  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  691          ret = 
admv1014_update_vcm_settings(st);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  692          if (ret) {
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  693                  
dev_err(&spi->dev, "Update VCM Settings failed.\n");
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  694                  return ret;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  695          }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  696  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  697          enable_reg_msk = 
ADMV1014_P1DB_COMPENSATION_MSK |
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  698                           
ADMV1014_IF_AMP_PD_MSK |
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  699                           
ADMV1014_BB_AMP_PD_MSK |
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  700                           
ADMV1014_DET_EN_MSK;
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  701  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  702          enable_reg = 
FIELD_PREP(ADMV1014_P1DB_COMPENSATION_MSK, st->p1db_comp ? 3 : 0) |
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15 @703                       
FIELD_PREP(ADMV1014_IF_AMP_PD_MSK, !(st->input_mode)) |
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  704                       
FIELD_PREP(ADMV1014_BB_AMP_PD_MSK, st->input_mode) |
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  705                       
FIELD_PREP(ADMV1014_DET_EN_MSK, st->det_en);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  706  
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  707          return 
__admv1014_spi_update_bits(st, ADMV1014_REG_ENABLE, enable_reg_msk, enable_reg);
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  708  }
f4eb9ac7842ff2 Antoniu Miclaus 2022-02-15  709  

-- 
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https://01.org/lkp
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