Hi Vitaly, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on sound/for-next] [also build test WARNING on v5.12-rc1 next-20210304] [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/Vitaly-Rodionov/ALSA-hda-cirrus-Add-support-for-CS8409-HDA-bridge-and-CS42L42-companion-codec/20210305-030714 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next config: riscv-randconfig-r025-20210304 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project eec7f8f7b1226be422a76542cb403d02538f453a) 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/c4eca3e1e50f15e73efe5c3c605ce4e584ace51d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vitaly-Rodionov/ALSA-hda-cirrus-Add-support-for-CS8409-HDA-bridge-and-CS42L42-companion-codec/20210305-030714 git checkout c4eca3e1e50f15e73efe5c3c605ce4e584ace51d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> sound/pci/hda/patch_cirrus.c:1511:37: warning: variable 'retval' is uninitialized when used here [-Wuninitialized] __func__, i2c_address, i2c_reg, retval); ^~~~~~ sound/pci/hda/hda_local.h:723:39: note: expanded from macro 'codec_err' dev_err(hda_codec_dev(codec), fmt, ##args) ^~~~ include/linux/dev_printk.h:112:32: note: expanded from macro 'dev_err' _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ sound/pci/hda/patch_cirrus.c:1501:21: note: initialize the variable 'retval' to silence this warning unsigned int retval; ^ = 0 1 warning generated. vim +/retval +1511 sound/pci/hda/patch_cirrus.c 1493 1494 /* CS8409 slave i2cRead */ 1495 static unsigned int cs8409_i2c_read(struct hda_codec *codec, 1496 unsigned int i2c_address, 1497 unsigned int i2c_reg, 1498 unsigned int paged) 1499 { 1500 unsigned int i2c_reg_data; 1501 unsigned int retval; 1502 1503 cs8409_enable_i2c_clock(codec, 1); 1504 cs_vendor_coef_set(codec, CIR_I2C_ADDR, i2c_address); 1505 1506 if (paged) { 1507 cs_vendor_coef_set(codec, CIR_I2C_QWRITE, i2c_reg >> 8); 1508 if (cs8409_i2c_wait_complete(codec) == -1) { 1509 codec_err(codec, 1510 "%s() Paged Transaction Failed 0x%02x : 0x%04x = 0x%02x\n", > 1511 __func__, i2c_address, i2c_reg, retval); 1512 } 1513 } 1514 1515 i2c_reg_data = (i2c_reg << 8) & 0x0ffff; 1516 cs_vendor_coef_set(codec, CIR_I2C_QREAD, i2c_reg_data); 1517 if (cs8409_i2c_wait_complete(codec) == -1) { 1518 codec_err(codec, "%s() Transaction Failed 0x%02x : 0x%04x = 0x%02x\n", 1519 __func__, i2c_address, i2c_reg, retval); 1520 } 1521 1522 /* Register in bits 15-8 and the data in 7-0 */ 1523 retval = cs_vendor_coef_get(codec, CIR_I2C_QREAD); 1524 retval &= 0x0ff; 1525 1526 cs8409_enable_i2c_clock(codec, 0); 1527 1528 return retval; 1529 } 1530 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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