Hi Seven, kernel test robot noticed the following build warnings: [auto build test WARNING on broonie-sound/for-next] [also build test WARNING on next-20230816] [cannot apply to linus/master v6.5-rc6] [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/Seven-Lee/ASoC-nau8821-Improve-AMIC-recording-performance/20230816-160236 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next patch link: https://lore.kernel.org/r/20230816080006.1624342-2-wtli%40nuvoton.com patch subject: [PATCH 2/2] ASoC: nau8821: Improve AMIC recording performance. config: hexagon-randconfig-r003-20230816 (https://download.01.org/0day-ci/archive/20230816/202308161844.humS3QWm-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230816/202308161844.humS3QWm-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308161844.humS3QWm-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from sound/soc/codecs/nau8821.c:15: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from sound/soc/codecs/nau8821.c:15: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from sound/soc/codecs/nau8821.c:15: In file included from include/linux/i2c.h:19: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:26: In file included from include/linux/kernel_stat.h:9: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ >> sound/soc/codecs/nau8821.c:649:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] default: ^ sound/soc/codecs/nau8821.c:649:2: note: insert 'break;' to avoid fall-through default: ^ break; 7 warnings generated. vim +649 sound/soc/codecs/nau8821.c 626 627 static int nau8821_left_fepga_event(struct snd_soc_dapm_widget *w, 628 struct snd_kcontrol *kcontrol, int event) 629 { 630 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 631 struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component); 632 633 if (!nau8821->left_input_single_end) 634 return 0; 635 636 switch (event) { 637 case SND_SOC_DAPM_POST_PMU: 638 regmap_update_bits(nau8821->regmap, NAU8821_R77_FEPGA, 639 NAU8821_ACDC_CTRL_MASK | NAU8821_FEPGA_MODEL_MASK, 640 NAU8821_ACDC_VREF_MICN | NAU8821_FEPGA_MODEL_AAF); 641 regmap_update_bits(nau8821->regmap, NAU8821_R76_BOOST, 642 NAU8821_HP_BOOST_DISCHRG_EN, NAU8821_HP_BOOST_DISCHRG_EN); 643 break; 644 case SND_SOC_DAPM_POST_PMD: 645 regmap_update_bits(nau8821->regmap, NAU8821_R77_FEPGA, 646 NAU8821_ACDC_CTRL_MASK | NAU8821_FEPGA_MODEL_MASK, 0); 647 regmap_update_bits(nau8821->regmap, NAU8821_R76_BOOST, 648 NAU8821_HP_BOOST_DISCHRG_EN, 0); > 649 default: 650 break; 651 } 652 653 return 0; 654 } 655 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
