Hi "Mirela, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on linus/master next-20201218] [cannot apply to shawnguo/for-next robh/for-next v5.10] [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-driv... base: git://linuxtv.org/media_tree.git master config: powerpc-randconfig-r025-20201217 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project cee1e7d14f4628d6174b33640d502bff3b54ae45) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/0day-ci/linux/commit/a1f8ecc90da72e5845877eab95b332aee... 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/20201215-192653 git checkout a1f8ecc90da72e5845877eab95b332aee5410db8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc 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 >>): 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:928:45: 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__); \ ~~~ ^~~~~~~~~~~ 2 warnings generated. vim +926 drivers/media/platform/imx-jpeg/mxc-jpeg.c 875 876 static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf, 877 struct mxc_jpeg_ctx *ctx, 878 struct vb2_buffer *src_buf, 879 struct vb2_buffer *dst_buf) 880 { 881 struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg; 882 void __iomem *reg = jpeg->base_reg; 883 unsigned int slot = ctx->slot; 884 struct mxc_jpeg_desc *desc = jpeg->slot_data[slot].desc; 885 struct mxc_jpeg_desc *cfg_desc = jpeg->slot_data[slot].cfg_desc; 886 dma_addr_t desc_handle = jpeg->slot_data[slot].desc_handle; 887 dma_addr_t cfg_desc_handle = jpeg->slot_data[slot].cfg_desc_handle; 888 void *cfg_stream_vaddr = jpeg->slot_data[slot].cfg_stream_vaddr; 889 struct mxc_jpeg_q_data *q_data; 890 enum mxc_jpeg_image_format img_fmt; 891 int w, h; 892 893 q_data = mxc_jpeg_get_q_data(ctx, src_buf->vb2_queue->type); 894 895 jpeg->slot_data[slot].cfg_stream_size = 896 mxc_jpeg_setup_cfg_stream(cfg_stream_vaddr, 897 q_data->fmt->fourcc, 898 q_data->w_adjusted, 899 q_data->h_adjusted); 900 901 /* chain the config descriptor with the encoding descriptor */ 902 cfg_desc->next_descpt_ptr = desc_handle | MXC_NXT_DESCPT_EN; 903 904 cfg_desc->buf_base0 = jpeg->slot_data[slot].cfg_stream_handle; 905 cfg_desc->buf_base1 = 0; 906 cfg_desc->line_pitch = 0; 907 cfg_desc->stm_bufbase = 0; /* no output expected */ 908 cfg_desc->stm_bufsize = 0x0; 909 cfg_desc->imgsize = 0; 910 cfg_desc->stm_ctrl = STM_CTRL_CONFIG_MOD(1); 911 912 desc->next_descpt_ptr = 0; /* end of chain */ 913 914 /* use adjusted resolution for CAST IP job */ 915 w = q_data->w_adjusted; 916 h = q_data->h_adjusted; 917 mxc_jpeg_set_res(desc, w, h); 918 mxc_jpeg_set_line_pitch(desc, w * (q_data->fmt->depth / 8)); 919 mxc_jpeg_set_bufsize(desc, desc->line_pitch * h); 920 img_fmt = mxc_jpeg_fourcc_to_imgfmt(q_data->fmt->fourcc); 921 if (img_fmt == MXC_JPEG_INVALID) 922 dev_err(jpeg->dev, "No valid image format detected\n"); 923 desc->stm_ctrl = STM_CTRL_CONFIG_MOD(0) | 924 STM_CTRL_IMAGE_FORMAT(img_fmt); 925 mxc_jpeg_addrs(desc, src_buf, dst_buf, 0); 927 print_descriptor_info(jpeg->dev, cfg_desc); 928 dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); 929 print_descriptor_info(jpeg->dev, desc); 930 print_wrapper_info(jpeg->dev, reg); 931 print_cast_status(jpeg->dev, reg, MXC_JPEG_ENCODE); 932 933 /* validate the configuration descriptor */ 934 mxc_jpeg_set_desc(cfg_desc_handle, reg, slot); 935 } 936 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org