tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7fe10096c1508c7f033d34d0741809f8eecc1ed4 commit: d5c65159f2895379e11ca13f62feabe93278985d ath11k: driver for Qualcomm IEEE 802.11ax devices date: 10 months ago config: x86_64-randconfig-a015-20200910 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9) 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 git checkout d5c65159f2895379e11ca13f62feabe93278985d # 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 warnings (new ones prefixed by >>): >> drivers/net/wireless/ath/ath11k/ahb.c:919:15: warning: cast to >> smaller integer type 'enum ath11k_hw_rev' from 'const void *' >> [-Wvoid-pointer-to-enum-cast] ab->hw_rev = (enum ath11k_hw_rev)of_id->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. -- >> drivers/net/wireless/ath/ath11k/wmi.c:142:8: warning: format >> specifies type 'unsigned char' but the argument has type 'u16' (aka >> 'unsigned short') [-Wformat] tlv_tag, ptr - begin, len, tlv_len); ^~~~~~~ drivers/net/wireless/ath/ath11k/wmi.c:142:35: warning: format specifies type 'unsigned char' but the argument has type 'u16' (aka 'unsigned short') [-Wformat] tlv_tag, ptr - begin, len, tlv_len); ^~~~~~~ drivers/net/wireless/ath/ath11k/wmi.c:150:8: warning: format specifies type 'unsigned char' but the argument has type 'u16' (aka 'unsigned short') [-Wformat] tlv_tag, ptr - begin, tlv_len, ^~~~~~~ drivers/net/wireless/ath/ath11k/wmi.c:150:30: warning: format specifies type 'unsigned char' but the argument has type 'u16' (aka 'unsigned short') [-Wformat] tlv_tag, ptr - begin, tlv_len, ^~~~~~~ drivers/net/wireless/ath/ath11k/wmi.c:1812:23: warning: implicit conversion from enumeration type 'enum wmi_scan_priority' to different enumeration type 'enum scan_priority' [-Wenum-conversion] arg->scan_priority = WMI_SCAN_PRIORITY_LOW; ~ ^~~~~~~~~~~~~~~~~~~~~ 5 warnings generated. -- >> drivers/net/wireless/ath/ath11k/mac.c:3970:6: warning: format >> specifies type 'unsigned short' but the argument has type 'u32' >> (aka 'unsigned int') [-Wformat] ctx->def.chan->center_freq, ctx->def.width, ctx); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath11k/debug.h:275:37: note: expanded from macro 'ath11k_dbg' __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath11k/mac.c:3994:6: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] ctx->def.chan->center_freq, ctx->def.width, ctx); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath11k/debug.h:275:37: note: expanded from macro 'ath11k_dbg' __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath11k/mac.c:4241:7: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] vifs[i].old_ctx->def.chan->center_freq, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath11k/debug.h:275:37: note: expanded from macro 'ath11k_dbg' __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath11k/mac.c:4242:7: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] vifs[i].new_ctx->def.chan->center_freq, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath11k/debug.h:275:37: note: expanded from macro 'ath11k_dbg' __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath11k/mac.c:4337:6: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] ctx->def.chan->center_freq, ctx->def.width, ctx, changed); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath11k/debug.h:275:37: note: expanded from macro 'ath11k_dbg' __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ >> drivers/net/wireless/ath/ath11k/mac.c:4640:22: warning: format >> specifies type 'unsigned char' but the argument has type 'u32' (aka >> 'unsigned int') [-Wformat] arvif->vdev_id, rate, nss, sgi); ^~~~ drivers/net/wireless/ath/ath11k/debug.h:275:37: note: expanded from macro 'ath11k_dbg' __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 6 warnings generated. -- >> drivers/net/wireless/ath/ath11k/dp_rx.c:977:8: warning: format specifies type 'unsigned char' but the argument has type 'u16' (aka 'unsigned short') [-Wformat] tlv_tag, ptr - begin, len, tlv_len); ^~~~~~~ drivers/net/wireless/ath/ath11k/dp_rx.c:977:35: warning: format specifies type 'unsigned char' but the argument has type 'u16' (aka 'unsigned short') [-Wformat] tlv_tag, ptr - begin, len, tlv_len); ^~~~~~~ 2 warnings generated. # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d5c65159f2895379e11ca13f62feabe93278985d vim +919 drivers/net/wireless/ath/ath11k/ahb.c 879 880 static int ath11k_ahb_probe(struct platform_device *pdev) 881 { 882 struct ath11k_base *ab; 883 const struct of_device_id *of_id; 884 struct resource *mem_res; 885 void __iomem *mem; 886 int ret; 887 888 of_id = of_match_device(ath11k_ahb_of_match, &pdev->dev); 889 if (!of_id) { 890 dev_err(&pdev->dev, "failed to find matching device tree id\n"); 891 return -EINVAL; 892 } 893 894 mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 895 if (!mem_res) { 896 dev_err(&pdev->dev, "failed to get IO memory resource\n"); 897 return -ENXIO; 898 } 899 900 mem = devm_ioremap_resource(&pdev->dev, mem_res); 901 if (IS_ERR(mem)) { 902 dev_err(&pdev->dev, "ioremap error\n"); 903 return PTR_ERR(mem); 904 } 905 906 ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); 907 if (ret) { 908 dev_err(&pdev->dev, "failed to set 32-bit consistent dma\n"); 909 return ret; 910 } 911 912 ab = ath11k_core_alloc(&pdev->dev); 913 if (!ab) { 914 dev_err(&pdev->dev, "failed to allocate ath11k base\n"); 915 return -ENOMEM; 916 } 917 918 ab->pdev = pdev; > 919 ab->hw_rev = (enum ath11k_hw_rev)of_id->data; 920 ab->mem = mem; 921 ab->mem_len = resource_size(mem_res); 922 platform_set_drvdata(pdev, ab); 923 924 ret = ath11k_hal_srng_init(ab); 925 if (ret) 926 goto err_core_free; 927 928 ret = ath11k_ce_alloc_pipes(ab); 929 if (ret) { 930 ath11k_err(ab, "failed to allocate ce pipes: %d\n", ret); 931 goto err_hal_srng_deinit; 932 } 933 934 ath11k_ahb_init_qmi_ce_config(ab); 935 936 ret = ath11k_ahb_config_irq(ab); 937 if (ret) { 938 ath11k_err(ab, "failed to configure irq: %d\n", ret); 939 goto err_ce_free; 940 } 941 942 ret = ath11k_core_init(ab); 943 if (ret) { 944 ath11k_err(ab, "failed to init core: %d\n", ret); 945 goto err_ce_free; 946 } 947 948 return 0; 949 950 err_ce_free: 951 ath11k_ce_free_pipes(ab); 952 953 err_hal_srng_deinit: 954 ath11k_hal_srng_deinit(ab); 955 956 err_core_free: 957 ath11k_core_free(ab); 958 platform_set_drvdata(pdev, NULL); 959 960 return ret; 961 } 962 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org