tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4c9ca5b1597e3222177ba2a94658f78fa5ef4f58 commit: 515626a33a194c4caaf2879dbf9e00e882582af0 [6202/7934] ASoC: Intel: fix unused-variable warning in probe_codec config: x86_64-randconfig-a006-20220919 (https://download.01.org/0day-ci/archive/20220920/202209200627.BuXVSUNo-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=515626a33a194c4caaf2879dbf9e00e882582af0 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 515626a33a194c4caaf2879dbf9e00e882582af0 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD 4c9ca5b1597e3222177ba2a94658f78fa5ef4f58 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> sound/soc/intel/skylake/skl.c:735:23: error: use of undeclared identifier 'skl' hdev = devm_kzalloc(&skl->pci->dev, sizeof(*hdev), GFP_KERNEL); ^ sound/soc/intel/skylake/skl.c:953:42: warning: shift count >= width of type [-Wshift-count-overflow] if (dma_set_mask_and_coherent(bus->dev, DMA_BIT_MASK(64))) ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 1 error generated. vim +/skl +735 sound/soc/intel/skylake/skl.c 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 691 d8c2dab8381d58 Jeeja KP 2015-07-09 692 /* d8c2dab8381d58 Jeeja KP 2015-07-09 693 * Probe the given codec address d8c2dab8381d58 Jeeja KP 2015-07-09 694 */ 76f56fae1cf904 Rakesh Ughreja 2018-06-01 695 static int probe_codec(struct hdac_bus *bus, int addr) d8c2dab8381d58 Jeeja KP 2015-07-09 696 { d8c2dab8381d58 Jeeja KP 2015-07-09 697 unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) | d8c2dab8381d58 Jeeja KP 2015-07-09 698 (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; e6a33532affd14 Dan Carpenter 2017-04-20 699 unsigned int res = -1; 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 700 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC) 515626a33a194c Gaosheng Cui 2022-08-22 701 struct skl_dev *skl = bus_to_skl(bus); 6bae5ea9498926 Rakesh Ughreja 2018-08-22 702 struct hdac_hda_priv *hda_codec; 6bae5ea9498926 Rakesh Ughreja 2018-08-22 703 int err; 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 704 #endif 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 705 struct hdac_device *hdev; d8c2dab8381d58 Jeeja KP 2015-07-09 706 d8c2dab8381d58 Jeeja KP 2015-07-09 707 mutex_lock(&bus->cmd_mutex); d8c2dab8381d58 Jeeja KP 2015-07-09 708 snd_hdac_bus_send_cmd(bus, cmd); d8c2dab8381d58 Jeeja KP 2015-07-09 709 snd_hdac_bus_get_response(bus, addr, &res); d8c2dab8381d58 Jeeja KP 2015-07-09 710 mutex_unlock(&bus->cmd_mutex); d8c2dab8381d58 Jeeja KP 2015-07-09 711 if (res == -1) d8c2dab8381d58 Jeeja KP 2015-07-09 712 return -EIO; 00deadb5d86a3c Rakesh Ughreja 2018-08-22 713 dev_dbg(bus->dev, "codec #%d probed OK: %x\n", addr, res); d8c2dab8381d58 Jeeja KP 2015-07-09 714 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 715 #if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC) 6bae5ea9498926 Rakesh Ughreja 2018-08-22 716 hda_codec = devm_kzalloc(&skl->pci->dev, sizeof(*hda_codec), 6bae5ea9498926 Rakesh Ughreja 2018-08-22 717 GFP_KERNEL); 6bae5ea9498926 Rakesh Ughreja 2018-08-22 718 if (!hda_codec) 6298542fa33b6b Rakesh Ughreja 2018-06-01 719 return -ENOMEM; 6298542fa33b6b Rakesh Ughreja 2018-06-01 720 6bae5ea9498926 Rakesh Ughreja 2018-08-22 721 hda_codec->codec.bus = skl_to_hbus(skl); 6bae5ea9498926 Rakesh Ughreja 2018-08-22 722 hdev = &hda_codec->codec.core; 6bae5ea9498926 Rakesh Ughreja 2018-08-22 723 163cd1059a85d2 Kai Vehmanen 2020-09-21 724 err = snd_hdac_ext_bus_device_init(bus, addr, hdev, HDA_DEV_ASOC); 6bae5ea9498926 Rakesh Ughreja 2018-08-22 725 if (err < 0) 6bae5ea9498926 Rakesh Ughreja 2018-08-22 726 return err; 6bae5ea9498926 Rakesh Ughreja 2018-08-22 727 6bae5ea9498926 Rakesh Ughreja 2018-08-22 728 /* use legacy bus only for HDA codecs, idisp uses ext bus */ 6bae5ea9498926 Rakesh Ughreja 2018-08-22 729 if ((res & 0xFFFF0000) != IDISP_INTEL_VENDOR_ID) { 6bae5ea9498926 Rakesh Ughreja 2018-08-22 730 hdev->type = HDA_DEV_LEGACY; 6bae5ea9498926 Rakesh Ughreja 2018-08-22 731 load_codec_module(&hda_codec->codec); 6bae5ea9498926 Rakesh Ughreja 2018-08-22 732 } 6bae5ea9498926 Rakesh Ughreja 2018-08-22 733 return 0; 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 734 #else 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 @735 hdev = devm_kzalloc(&skl->pci->dev, sizeof(*hdev), GFP_KERNEL); 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 736 if (!hdev) 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 737 return -ENOMEM; 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 738 163cd1059a85d2 Kai Vehmanen 2020-09-21 739 return snd_hdac_ext_bus_device_init(bus, addr, hdev, HDA_DEV_ASOC); 8c4e7c2ee8096b Pierre-Louis Bossart 2018-11-18 740 #endif /* CONFIG_SND_SOC_INTEL_SKYLAKE_HDAUDIO_CODEC */ d8c2dab8381d58 Jeeja KP 2015-07-09 741 } d8c2dab8381d58 Jeeja KP 2015-07-09 742 :::::: The code at line 735 was first introduced by commit :::::: 8c4e7c2ee8096b5ca8214418f287b3878d578cc0 ASoC: Intel: Skylake: fix Kconfigs, make HDaudio codec optional :::::: TO: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> :::::: CC: Mark Brown <broonie@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://01.org/lkp