tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4 head: 4bd8020d6c753ab56df4d7bd75833fd880e1995a commit: 98cf79c0d309e209ea168933479fef4be29ed58c [114/120] ALSA: hda/conexant: Use the new vmaster mute LED helper config: x86_64-randconfig-a002-20210320 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 436c6c9c20cc522c92a923440a5fc509c342a7db) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-5.4 git checkout 98cf79c0d309e209ea168933479fef4be29ed58c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): static int cx_auto_vmaster_mute_led(struct led_classdev *led_cdev, ^ enum led_brightness brightness) ^ enum led_brightness brightness) ^ sound/pci/hda/patch_conexant.c:141:14: note: forward declaration of 'enum led_brightness' enum led_brightness brightness) ^ struct hda_codec *codec = dev_to_hda_codec(led_cdev->dev->parent); ~~~~~~~~^ include/sound/hda_codec.h:289:45: note: expanded from macro 'dev_to_hda_codec' #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) ^~~~ include/linux/kernel.h:993:26: note: expanded from macro 'container_of' void *__mptr = (void *)(ptr); \ ^~~ sound/pci/hda/patch_conexant.c:140:44: note: forward declaration of 'struct led_classdev' static int cx_auto_vmaster_mute_led(struct led_classdev *led_cdev, ^ struct hda_codec *codec = dev_to_hda_codec(led_cdev->dev->parent); ~~~~~~~~^ include/sound/hda_codec.h:289:45: note: expanded from macro 'dev_to_hda_codec' #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) ^~~~ include/linux/kernel.h:994:34: note: expanded from macro 'container_of' BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ ^~~ include/linux/compiler_types.h:220:63: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:417:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^~~~~~~~~ include/linux/compiler.h:405:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^~~~~~~~~ include/linux/compiler.h:397:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ sound/pci/hda/patch_conexant.c:140:44: note: forward declaration of 'struct led_classdev' static int cx_auto_vmaster_mute_led(struct led_classdev *led_cdev, ^ struct hda_codec *codec = dev_to_hda_codec(led_cdev->dev->parent); ~~~~~~~~^ include/sound/hda_codec.h:289:45: note: expanded from macro 'dev_to_hda_codec' #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) ^~~~ include/linux/kernel.h:995:20: note: expanded from macro 'container_of' !__same_type(*(ptr), void), \ ^~~ include/linux/compiler_types.h:220:63: note: expanded from macro '__same_type' #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) ^ note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) include/linux/compiler.h:417:22: note: expanded from macro 'compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) ^~~~~~~~~ include/linux/compiler.h:405:23: note: expanded from macro '_compiletime_assert' __compiletime_assert(condition, msg, prefix, suffix) ^~~~~~~~~ include/linux/compiler.h:397:9: note: expanded from macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ sound/pci/hda/patch_conexant.c:140:44: note: forward declaration of 'struct led_classdev' static int cx_auto_vmaster_mute_led(struct led_classdev *led_cdev, ^ snd_hda_gen_add_mute_led_cdev(codec, cx_auto_vmaster_mute_led); ^ sound/pci/hda/patch_conexant.c:571:3: note: did you mean 'snd_hda_gen_add_micmute_led'? sound/pci/hda/hda_generic.h:357:5: note: 'snd_hda_gen_add_micmute_led' declared here int snd_hda_gen_add_micmute_led(struct hda_codec *codec, ^ sound/pci/hda/patch_conexant.c:669:3: error: implicit declaration of function 'snd_hda_gen_add_mute_led_cdev' [-Werror,-Wimplicit-function-declaration] snd_hda_gen_add_mute_led_cdev(codec, cxt_gpio_mute_update); ^ sound/pci/hda/patch_conexant.c:674:3: error: implicit declaration of function 'snd_hda_gen_add_micmute_led_cdev' [-Werror,-Wimplicit-function-declaration] snd_hda_gen_add_micmute_led_cdev(codec, cxt_gpio_micmute_update); ^ sound/pci/hda/patch_conexant.c:674:3: note: did you mean 'snd_hda_gen_add_mute_led_cdev'? sound/pci/hda/patch_conexant.c:571:3: note: 'snd_hda_gen_add_mute_led_cdev' declared here snd_hda_gen_add_mute_led_cdev(codec, cx_auto_vmaster_mute_led); ^ 2 warnings and 7 errors generated. vim +141 sound/pci/hda/patch_conexant.c 138 139 /* turn on/off EAPD according to Master switch (inversely!) for mute LED */ 142 { 144 struct conexant_spec *spec = codec->spec; 145 146 snd_hda_codec_write(codec, spec->mute_led_eapd, 0, 147 AC_VERB_SET_EAPD_BTLENABLE, 148 brightness ? 0x02 : 0x00); 149 return 0; 150 } 151 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org