[kbuild-all] [lkundrak-linux-mmp:lr/ariel 45/50] sound/soc/codecs/88ce156-codec.c:405:5: warning: no previous prototype for function 'ce156_set_sample_rate'

tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git lr/ariel head: 4d586ea0de8af0daaef44b13621d8a48f6565be2 commit: 5af54aabd51377d10927e6478f75838bb3fc33b7 [45/50] p1 config: powerpc64-randconfig-r015-20200612 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3b43f006294971b8049d4807110032169780e5b8) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu git checkout 5af54aabd51377d10927e6478f75838bb3fc33b7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): __do_##name al; ^~~~~~~~~~~~~~ <scratch space>:89:1: note: expanded from here __do_insw ^ arch/powerpc/include/asm/io.h:542:56: note: expanded from macro '__do_insw' #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from sound/soc/codecs/88ce156-codec.c:20: In file included from include/linux/spi/spi.h:14: In file included from include/linux/scatterlist.h:9: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; ^~~~~~~~~~~~~~ <scratch space>:91:1: note: expanded from here __do_insl ^ arch/powerpc/include/asm/io.h:543:56: note: expanded from macro '__do_insl' #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from sound/soc/codecs/88ce156-codec.c:20: In file included from include/linux/spi/spi.h:14: In file included from include/linux/scatterlist.h:9: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; ^~~~~~~~~~~~~~ <scratch space>:93:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from sound/soc/codecs/88ce156-codec.c:20: In file included from include/linux/spi/spi.h:14: In file included from include/linux/scatterlist.h:9: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; ^~~~~~~~~~~~~~ <scratch space>:95:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from sound/soc/codecs/88ce156-codec.c:20: In file included from include/linux/spi/spi.h:14: In file included from include/linux/scatterlist.h:9: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; ^~~~~~~~~~~~~~ <scratch space>:97:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ sound/soc/codecs/88ce156-codec.c:97:33: error: no member named 'reg_cache_default' in 'struct snd_soc_component_driver' u8 *cache = (u8*)componentdrv->reg_cache_default; ~~~~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:98:37: error: no member named 'reg_cache_size' in 'struct snd_soc_component_driver' if (reg < 0 || reg > componentdrv->reg_cache_size) ~~~~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:111:33: error: no member named 'control_data' in 'struct snd_soc_component' if (i2c_master_send(component->control_data, data, 1) == 1) { ~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:112:30: error: no member named 'control_data' in 'struct snd_soc_component' i2c_master_recv(component->control_data, data, 1); ~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:135:33: error: no member named 'reg_cache_default' in 'struct snd_soc_component_driver' u8 *cache = (u8*)componentdrv->reg_cache_default; ~~~~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:136:37: error: no member named 'reg_cache_size' in 'struct snd_soc_component_driver' if (reg < 0 || reg > componentdrv->reg_cache_size) { ~~~~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:272:33: error: no member named 'control_data' in 'struct snd_soc_component' if (i2c_master_send(component->control_data, data, 2) == 2) { ~~~~~~~~~ ^ sound/soc/codecs/88ce156-codec.c:371:5: warning: no previous prototype for function 'ce156_hw_init' [-Wmissing-prototypes] int ce156_hw_init(struct snd_soc_component *component) ^ sound/soc/codecs/88ce156-codec.c:371:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ce156_hw_init(struct snd_soc_component *component) ^ static int ce156_set_sample_rate(struct snd_soc_dai *codec_dai, ^ sound/soc/codecs/88ce156-codec.c:405:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ce156_set_sample_rate(struct snd_soc_dai *codec_dai, ^ static sound/soc/codecs/88ce156-codec.c:923:2: error: field designator 'invert' does not refer to any field in type 'const struct snd_soc_dapm_widget' CE156_DAPM_OUTPUT("RSYNC", ce156_rsync_event), ^ sound/soc/codecs/88ce156-codec.c:42:15: note: expanded from macro 'CE156_DAPM_OUTPUT' .shift = 0, .invert = 0, .kcontrols = NULL, ^ sound/soc/codecs/88ce156-codec.c:1038:7: error: invalid application of 'sizeof' to an incomplete type 'const struct snd_soc_dapm_widget []' ARRAY_SIZE(ce156_dapm_widgets)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:47:32: note: expanded from macro 'ARRAY_SIZE' #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr)) ^~~~~ sound/soc/codecs/88ce156-codec.c:1395:24: warning: unused variable 'ce156_priv' [-Wunused-variable] struct ce156_private *ce156_priv = snd_soc_component_get_drvdata(component); ^ sound/soc/codecs/88ce156-codec.c:1445:13: error: incompatible function pointer types initializing 'void (*)(struct snd_soc_component *)' with an expression of type 'int (struct snd_soc_component *)' [-Werror,-Wincompatible-function-pointer-types] .remove = ce156_remove, ^~~~~~~~~~~~ sound/soc/codecs/88ce156-codec.c:1446:13: error: incompatible function pointer types initializing 'int (*)(struct snd_soc_component *)' with an expression of type 'int (struct snd_soc_component *, pm_message_t)' (aka 'int (struct snd_soc_component *, struct pm_message)') [-Werror,-Wincompatible-function-pointer-types] .suspend = ce156_suspend, ^~~~~~~~~~~~~ sound/soc/codecs/88ce156-codec.c:1451:3: error: field designator 'reg_cache_size' does not refer to any field in type 'struct snd_soc_component_driver' .reg_cache_size = ARRAY_SIZE(ce156_reg), ^ sound/soc/codecs/88ce156-codec.c:1452:3: error: field designator 'reg_cache_step' does not refer to any field in type 'struct snd_soc_component_driver' .reg_cache_step = 1, ^ sound/soc/codecs/88ce156-codec.c:1453:3: error: field designator 'reg_word_size' does not refer to any field in type 'struct snd_soc_component_driver' .reg_word_size = sizeof(u8), ^ sound/soc/codecs/88ce156-codec.c:1454:3: error: field designator 'reg_cache_default' does not refer to any field in type 'struct snd_soc_component_driver' .reg_cache_default = ce156_reg, ^ 9 warnings and 15 errors generated. vim +/ce156_set_sample_rate +405 sound/soc/codecs/88ce156-codec.c f92f68a79bd0bba Lubomir Rintel 2020-05-24 403 f92f68a79bd0bba Lubomir Rintel 2020-05-24 404 f92f68a79bd0bba Lubomir Rintel 2020-05-24 @405 int ce156_set_sample_rate(struct snd_soc_dai *codec_dai, f92f68a79bd0bba Lubomir Rintel 2020-05-24 406 int div_id, int div) f92f68a79bd0bba Lubomir Rintel 2020-05-24 407 { 5af54aabd51377d Lubomir Rintel 2020-05-24 408 struct snd_soc_component *component = codec_dai->component; 5af54aabd51377d Lubomir Rintel 2020-05-24 409 u8 rate = ce156_read_reg_cache(component, CE156_ADC_RATE) & 0xf0; f92f68a79bd0bba Lubomir Rintel 2020-05-24 410 switch(div_id){ f92f68a79bd0bba Lubomir Rintel 2020-05-24 411 case SAMPLE_RATE_8000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 412 rate |= 0x0; f92f68a79bd0bba Lubomir Rintel 2020-05-24 413 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 414 case SAMPLE_RATE_12000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 415 rate |= 0x1; f92f68a79bd0bba Lubomir Rintel 2020-05-24 416 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 417 case SAMPLE_RATE_16000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 418 rate |= 0x2; f92f68a79bd0bba Lubomir Rintel 2020-05-24 419 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 420 case SAMPLE_RATE_24000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 421 rate |= 0x3; f92f68a79bd0bba Lubomir Rintel 2020-05-24 422 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 423 case SAMPLE_RATE_32000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 424 rate |= 0x4; f92f68a79bd0bba Lubomir Rintel 2020-05-24 425 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 426 case SAMPLE_RATE_48000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 427 rate |= 0x5; f92f68a79bd0bba Lubomir Rintel 2020-05-24 428 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 429 case SAMPLE_RATE_96000: f92f68a79bd0bba Lubomir Rintel 2020-05-24 430 rate |= 0x6; f92f68a79bd0bba Lubomir Rintel 2020-05-24 431 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 432 case SAMPLE_RATE_11025: f92f68a79bd0bba Lubomir Rintel 2020-05-24 433 rate |= 0x7; f92f68a79bd0bba Lubomir Rintel 2020-05-24 434 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 435 case SAMPLE_RATE_22050: f92f68a79bd0bba Lubomir Rintel 2020-05-24 436 rate |= 0x8; f92f68a79bd0bba Lubomir Rintel 2020-05-24 437 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 438 case SAMPLE_RATE_44100: f92f68a79bd0bba Lubomir Rintel 2020-05-24 439 rate |= 0x9; f92f68a79bd0bba Lubomir Rintel 2020-05-24 440 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 441 case SAMPLE_RATE_88200: f92f68a79bd0bba Lubomir Rintel 2020-05-24 442 rate |= 0xa; f92f68a79bd0bba Lubomir Rintel 2020-05-24 443 break; f92f68a79bd0bba Lubomir Rintel 2020-05-24 444 default: f92f68a79bd0bba Lubomir Rintel 2020-05-24 445 printk(KERN_INFO "sample rate set failed!\n"); f92f68a79bd0bba Lubomir Rintel 2020-05-24 446 return -EINVAL; f92f68a79bd0bba Lubomir Rintel 2020-05-24 447 } 5af54aabd51377d Lubomir Rintel 2020-05-24 448 ce156_write(component, CE156_ADC_RATE, rate); f92f68a79bd0bba Lubomir Rintel 2020-05-24 449 return 0; f92f68a79bd0bba Lubomir Rintel 2020-05-24 450 } f92f68a79bd0bba Lubomir Rintel 2020-05-24 451 EXPORT_SYMBOL_GPL(ce156_set_sample_rate); f92f68a79bd0bba Lubomir Rintel 2020-05-24 452 :::::: The code at line 405 was first introduced by commit :::::: f92f68a79bd0bba6baf56c272cc22f9a4a030032 XXX 88CE156 :::::: TO: Lubomir Rintel <lkundrak(a)v3.sk&gt; :::::: CC: Lubomir Rintel <lkundrak(a)v3.sk&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org