Hi "Mirela, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on shawnguo/for-next robh/for-next v5.10-rc2 next-20201104] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Mirela-Rabulea-OSS/Add-V4L2-driver-for-i-MX8-JPEG-Encoder-Decoder/20201102-111206 base: git://linuxtv.org/media_tree.git master config: arm-randconfig-r026-20201104 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a6d15d40701ad38f29e4ff93703b3ffa7b204611) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/af8ab6e82327576589ff9521ea9c5538841b26b1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mirela-Rabulea-OSS/Add-V4L2-driver-for-i-MX8-JPEG-Encoder-Decoder/20201102-111206 git checkout af8ab6e82327576589ff9521ea9c5538841b26b1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/platform/imx-jpeg/mxc-jpeg.c:912:45: warning: format specifies type 'unsigned long long' but the argument has type 'dma_addr_t' (aka 'unsigned int') [-Wformat] dev_dbg(jpeg->dev, "cfg_desc - 0x%llx:\n", cfg_desc_handle); ~~~~ ^~~~~~~~~~~~~~~ %x include/linux/dev_printk.h:131:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:914:45: warning: format specifies type 'unsigned long long' but the argument has type 'dma_addr_t' (aka 'unsigned int') [-Wformat] dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); ~~~~ ^~~~~~~~~~~ %x include/linux/dev_printk.h:131:47: note: expanded from macro 'dev_dbg' dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:1318:12: warning: result of comparison of constant -1 with expression of type 'u8' (aka 'unsigned char') is always false [-Wtautological-constant-out-of-range-compare] if (byte == -1) ~~~~ ^ ~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:1325:12: warning: result of comparison of constant -1 with expression of type 'u8' (aka 'unsigned char') is always false [-Wtautological-constant-out-of-range-compare] if (byte == -1) ~~~~ ^ ~~ 4 warnings generated. vim +912 drivers/media/platform/imx-jpeg/mxc-jpeg.c 861 862 static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf, 863 struct mxc_jpeg_ctx *ctx, 864 struct vb2_buffer *src_buf, 865 struct vb2_buffer *dst_buf) 866 { 867 struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg; 868 void __iomem *reg = jpeg->base_reg; 869 unsigned int slot = ctx->slot; 870 struct mxc_jpeg_desc *desc = jpeg->slot_data[slot].desc; 871 struct mxc_jpeg_desc *cfg_desc = jpeg->slot_data[slot].cfg_desc; 872 dma_addr_t desc_handle = jpeg->slot_data[slot].desc_handle; 873 dma_addr_t cfg_desc_handle = jpeg->slot_data[slot].cfg_desc_handle; 874 void *cfg_stream_vaddr = jpeg->slot_data[slot].cfg_stream_vaddr; 875 struct mxc_jpeg_q_data *q_data; 876 enum mxc_jpeg_image_format img_fmt; 877 int w, h; 878 879 q_data = mxc_jpeg_get_q_data(ctx, src_buf->vb2_queue->type); 880 881 jpeg->slot_data[slot].cfg_stream_size = 882 mxc_jpeg_setup_cfg_stream(cfg_stream_vaddr, 883 q_data->fmt->fourcc, 884 q_data->w_adjusted, 885 q_data->h_adjusted); 886 887 /* chain the config descriptor with the encoding descriptor */ 888 cfg_desc->next_descpt_ptr = desc_handle | MXC_NXT_DESCPT_EN; 889 890 cfg_desc->buf_base0 = jpeg->slot_data[slot].cfg_stream_handle; 891 cfg_desc->buf_base1 = 0; 892 cfg_desc->line_pitch = 0; 893 cfg_desc->stm_bufbase = 0; /* no output expected */ 894 cfg_desc->stm_bufsize = 0x0; 895 cfg_desc->imgsize = 0; 896 cfg_desc->stm_ctrl = STM_CTRL_CONFIG_MOD(1); 897 898 desc->next_descpt_ptr = 0; /* end of chain */ 899 900 /* use adjusted resolution for CAST IP job */ 901 w = q_data->w_adjusted; 902 h = q_data->h_adjusted; 903 mxc_jpeg_set_res(desc, w, h); 904 mxc_jpeg_set_line_pitch(desc, w * (q_data->fmt->depth / 8)); 905 mxc_jpeg_set_bufsize(desc, desc->line_pitch * h); 906 img_fmt = mxc_jpeg_fourcc_to_imgfmt(q_data->fmt->fourcc); 907 if (img_fmt == MXC_JPEG_INVALID) 908 dev_err(jpeg->dev, "No valid image format detected\n"); 909 desc->stm_ctrl = STM_CTRL_CONFIG_MOD(0) | 910 STM_CTRL_IMAGE_FORMAT(img_fmt); 911 mxc_jpeg_addrs(desc, src_buf, dst_buf, 0); > 912 dev_dbg(jpeg->dev, "cfg_desc - 0x%llx:\n", cfg_desc_handle); 913 print_descriptor_info(jpeg->dev, cfg_desc); 914 dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); 915 print_descriptor_info(jpeg->dev, desc); 916 print_wrapper_info(jpeg->dev, reg); 917 print_cast_status(jpeg->dev, reg, MXC_JPEG_ENCODE); 918 919 /* validate the configuration descriptor */ 920 mxc_jpeg_set_desc(cfg_desc_handle, reg, slot); 921 } 922 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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