Hi Adam, kernel test robot noticed the following build warnings:
[auto build test WARNING on v6.10] [also build test WARNING on linus/master next-20240722] [cannot apply to broonie-sound/for-next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Adam-Skladowski/ASoC-qcom-apq8016_sbc-c-Add-Quinary-support/20240722-181331 base: v6.10 patch link: https://lore.kernel.org/r/20240722095147.3372-5-a39.skl%40gmail.com patch subject: [PATCH 4/4] ASoC: qcom: apq8016_sbc: Add support for msm8953/msm8976 SoC config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240722/202407222218.nkjhmm5n-...@intel.com/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ad154281230d83ee551e12d5be48bb956ef47ed3) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240722/202407222218.nkjhmm5n-...@intel.com/reproduce) 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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202407222218.nkjhmm5n-...@intel.com/ All warnings (new ones prefixed by >>): In file included from sound/soc/qcom/apq8016_sbc.c:6: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2258: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from sound/soc/qcom/apq8016_sbc.c:9: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from sound/soc/qcom/apq8016_sbc.c:9: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from sound/soc/qcom/apq8016_sbc.c:9: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> sound/soc/qcom/apq8016_sbc.c:250:6: warning: variable 'ret' is used >> uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] 250 | if (data->q6afe_clk_ver == Q6AFE_CLK_V1 && data->dig_cdc_mclk_en == true) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/qcom/apq8016_sbc.c:252:6: note: uninitialized use occurs here 252 | if (ret) | ^~~ sound/soc/qcom/apq8016_sbc.c:250:2: note: remove the 'if' if its condition is always true 250 | if (data->q6afe_clk_ver == Q6AFE_CLK_V1 && data->dig_cdc_mclk_en == true) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 251 | ret = snd_soc_dai_set_sysclk(cpu_dai, LPAIF_DIG_CLK, DEFAULT_MCLK_RATE, 0); >> sound/soc/qcom/apq8016_sbc.c:250:6: warning: variable 'ret' is used >> uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized] 250 | if (data->q6afe_clk_ver == Q6AFE_CLK_V1 && data->dig_cdc_mclk_en == true) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/qcom/apq8016_sbc.c:252:6: note: uninitialized use occurs here 252 | if (ret) | ^~~ sound/soc/qcom/apq8016_sbc.c:250:6: note: remove the '&&' if its condition is always true 250 | if (data->q6afe_clk_ver == Q6AFE_CLK_V1 && data->dig_cdc_mclk_en == true) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/qcom/apq8016_sbc.c:238:15: note: initialize the variable 'ret' to silence this warning 238 | int mi2s, ret; | ^ | = 0 19 warnings generated. vim +250 sound/soc/qcom/apq8016_sbc.c 231 232 static int msm8916_qdsp6_startup(struct snd_pcm_substream *substream) 233 { 234 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 235 struct snd_soc_card *card = rtd->card; 236 struct apq8016_sbc_data *data = snd_soc_card_get_drvdata(card); 237 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 238 int mi2s, ret; 239 240 mi2s = qdsp6_dai_get_lpass_id(cpu_dai); 241 if (mi2s < 0) 242 return mi2s; 243 244 if (++data->mi2s_clk_count[mi2s] > 1) 245 return 0; 246 /* 247 * On newer legacy SoC (MSM8976) lpass codec clocks are not available in gcc region 248 * so we have to request clock from machine driver using V1 API) 249 */ > 250 if (data->q6afe_clk_ver == Q6AFE_CLK_V1 && > data->dig_cdc_mclk_en == true) 251 ret = snd_soc_dai_set_sysclk(cpu_dai, LPAIF_DIG_CLK, DEFAULT_MCLK_RATE, 0); 252 if (ret) 253 dev_err(card->dev, "Failed to enable LPAIF dig clk: %d\n", ret); 254 255 ret = snd_soc_dai_set_sysclk(cpu_dai, qdsp6_get_clk_id(data, mi2s), MI2S_BCLK_RATE, 0); 256 if (ret) 257 dev_err(card->dev, "Failed to enable LPAIF bit clk: %d\n", ret); 258 return ret; 259 } 260 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
