Re: [PATCH 1/2] ASoC: codecs: lpass-macro: add helpers to get codec version

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Hi,

kernel test robot noticed the following build warnings:

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/srinivas-kandagatla-linaro-org/ASoC-codecs-lpass-macro-add-helpers-to-get-codec-version/20240511-020042
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/20240510175835.286775-2-srinivas.kandagatla%40linaro.org
patch subject: [PATCH 1/2] ASoC: codecs: lpass-macro: add helpers to get codec version
config: sparc-randconfig-r081-20240512 (https://download.01.org/0day-ci/archive/20240512/202405120735.qbbiUPaX-lkp@xxxxxxxxx/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
| Closes: https://lore.kernel.org/r/202405120735.qbbiUPaX-lkp@xxxxxxxxx/

smatch warnings:
sound/soc/codecs/lpass-va-macro.c:1485 va_macro_set_lpass_codec_version() error: uninitialized symbol 'version'.

vim +/version +1485 sound/soc/codecs/lpass-va-macro.c

787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1464  static void va_macro_set_lpass_codec_version(struct va_macro *va)
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1465  {
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1466  	int core_id_0 = 0, core_id_1 = 0, core_id_2 = 0, version;
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1467  
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1468  	regmap_read(va->regmap, CDC_VA_TOP_CSR_CORE_ID_0, &core_id_0);
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1469  	regmap_read(va->regmap, CDC_VA_TOP_CSR_CORE_ID_1, &core_id_1);
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1470  	regmap_read(va->regmap, CDC_VA_TOP_CSR_CORE_ID_2, &core_id_2);
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1471  
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1472  	if ((core_id_0 == 0x01) && (core_id_1 == 0x0F))
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1473  		version = LPASS_CODEC_VERSION_2_0;
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1474  	if ((core_id_0 == 0x02) && (core_id_1 == 0x0E))
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1475  		version = LPASS_CODEC_VERSION_2_1;
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1476  	if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x50 || core_id_2 == 0x51))
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1477  		version = LPASS_CODEC_VERSION_2_5;
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1478  	if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x60 || core_id_2 == 0x61))
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1479  		version = LPASS_CODEC_VERSION_2_6;
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1480  	if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x70 || core_id_2 == 0x71))
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1481  		version = LPASS_CODEC_VERSION_2_7;
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1482  	if ((core_id_0 == 0x02) && (core_id_1 == 0x0F) && (core_id_2 == 0x80 || core_id_2 == 0x81))
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1483  		version = LPASS_CODEC_VERSION_2_8;

Uninitialized on else path.

787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1484  
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10 @1485  	lpass_macro_set_codec_version(version);
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1486  
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1487  	dev_info(va->dev, "LPASS Codec Version %s\n",
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1488  			lpass_macro_get_codec_version_string(version));
787a4e6d2bc156 Srinivas Kandagatla 2024-05-10  1489  }

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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