tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b0523c7b1c9d0edcd6c0fe6d2cb558a9ad5c60a8 commit: 955ac624058f91172b3b8820280556e699e1e0ff [3005/12912] ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers config: arc-allyesconfig (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 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 git checkout 955ac624058f91172b3b8820280556e699e1e0ff # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): sound/soc/fsl/fsl_easrc.c: In function 'fsl_easrc_set_rs_ratio': sound/soc/fsl/fsl_easrc.c:182:15: warning: variable 'int_bits' set but not used [-Wunused-but-set-variable] 182 | unsigned int int_bits; | ^~~~~~~~ sound/soc/fsl/fsl_easrc.c: At top level: 967 | int fsl_easrc_config_context(struct fsl_asrc *easrc, unsigned int ctx_id) | ^~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c:1128:5: warning: no previous prototype for 'fsl_easrc_set_ctx_format' [-Wmissing-prototypes] 1128 | int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, | ^~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c:1201:5: warning: no previous prototype for 'fsl_easrc_set_ctx_organziation' [-Wmissing-prototypes] 1201 | int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c: In function 'fsl_easrc_set_ctx_organziation': sound/soc/fsl/fsl_easrc.c:1204:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] 1204 | struct device *dev; | ^~~ sound/soc/fsl/fsl_easrc.c: At top level: sound/soc/fsl/fsl_easrc.c:1245:5: warning: no previous prototype for 'fsl_easrc_request_context' [-Wmissing-prototypes] 1245 | int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) | ^~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c:1290:6: warning: no previous prototype for 'fsl_easrc_release_context' [-Wmissing-prototypes] 1290 | void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) | ^~~~~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c: In function 'fsl_easrc_release_context': sound/soc/fsl/fsl_easrc.c:1294:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] 1294 | struct device *dev; | ^~~ sound/soc/fsl/fsl_easrc.c: At top level: sound/soc/fsl/fsl_easrc.c:1317:5: warning: no previous prototype for 'fsl_easrc_start_context' [-Wmissing-prototypes] 1317 | int fsl_easrc_start_context(struct fsl_asrc_pair *ctx) | ^~~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c:1335:5: warning: no previous prototype for 'fsl_easrc_stop_context' [-Wmissing-prototypes] 1335 | int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx) | ^~~~~~~~~~~~~~~~~~~~~~ sound/soc/fsl/fsl_easrc.c:1382:18: warning: no previous prototype for 'fsl_easrc_get_dma_channel' [-Wmissing-prototypes] 1382 | struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx, | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/fsl_easrc_config_context +967 sound/soc/fsl/fsl_easrc.c 961 962 /* 963 * fsl_easrc_config_context 964 * 965 * Configure the register relate with context. 966 */ 968 { 969 struct fsl_easrc_ctx_priv *ctx_priv; 970 struct fsl_asrc_pair *ctx; 971 struct device *dev; 972 unsigned long lock_flags; 973 int ret; 974 975 if (!easrc) 976 return -ENODEV; 977 978 dev = &easrc->pdev->dev; 979 980 if (ctx_id >= EASRC_CTX_MAX_NUM) { 981 dev_err(dev, "Invalid context id[%d]\n", ctx_id); 982 return -EINVAL; 983 } 984 985 ctx = easrc->pair[ctx_id]; 986 987 ctx_priv = ctx->private; 988 989 fsl_easrc_normalize_rates(ctx); 990 991 ret = fsl_easrc_set_rs_ratio(ctx); 992 if (ret) 993 return ret; 994 995 /* Initialize the context coeficients */ 996 ret = fsl_easrc_prefilter_config(easrc, ctx->index); 997 if (ret) 998 return ret; 999 1000 spin_lock_irqsave(&easrc->lock, lock_flags); 1001 ret = fsl_easrc_config_slot(easrc, ctx->index); 1002 spin_unlock_irqrestore(&easrc->lock, lock_flags); 1003 if (ret) 1004 return ret; 1005 1006 /* 1007 * Both prefilter and resampling filters can use following 1008 * initialization modes: 1009 * 2 - zero-fil mode 1010 * 1 - replication mode 1011 * 0 - software control 1012 */ 1013 regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id), 1014 EASRC_CCE1_RS_INIT_MASK, 1015 EASRC_CCE1_RS_INIT(ctx_priv->rs_init_mode)); 1016 1017 regmap_update_bits(easrc->regmap, REG_EASRC_CCE1(ctx_id), 1018 EASRC_CCE1_PF_INIT_MASK, 1019 EASRC_CCE1_PF_INIT(ctx_priv->pf_init_mode)); 1020 1021 /* 1022 * Context Input FIFO Watermark 1023 * DMA request is generated when input FIFO < FIFO_WTMK 1024 */ 1025 regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx_id), 1026 EASRC_CC_FIFO_WTMK_MASK, 1027 EASRC_CC_FIFO_WTMK(ctx_priv->in_params.fifo_wtmk)); 1028 1029 /* 1030 * Context Output FIFO Watermark 1031 * DMA request is generated when output FIFO > FIFO_WTMK 1032 * So we set fifo_wtmk -1 to register. 1033 */ 1034 regmap_update_bits(easrc->regmap, REG_EASRC_COC(ctx_id), 1035 EASRC_COC_FIFO_WTMK_MASK, 1036 EASRC_COC_FIFO_WTMK(ctx_priv->out_params.fifo_wtmk - 1)); 1037 1038 /* Number of channels */ 1039 regmap_update_bits(easrc->regmap, REG_EASRC_CC(ctx_id), 1040 EASRC_CC_CHEN_MASK, 1041 EASRC_CC_CHEN(ctx->channels - 1)); 1042 return 0; 1043 } 1044 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org