Re: [PATCH 4/4] ASoC: qcom: apq8016_sbc: Add support for msm8953/msm8976 SoC

kernel test robot
2024-07-22T15:06:51Z

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-lkp@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-lkp@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407222218.NKjhMM5n-lkp@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

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