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 linus/master v5.11-rc4 next-20210120] [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/Add-V4L2-driver-for-i-MX8-JPEG-Encoder-Decoder/20210112-033507 base: git://linuxtv.org/media_tree.git master config: h8300-randconfig-r031-20210120 (attached as .config) compiler: h8300-linux-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 # https://github.com/0day-ci/linux/commit/ba3dd916aaab157090febdfc656fc2a8b6379aa6 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mirela-Rabulea/Add-V4L2-driver-for-i-MX8-JPEG-Encoder-Decoder/20210112-033507 git checkout ba3dd916aaab157090febdfc656fc2a8b6379aa6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:10, from drivers/media/platform/imx-jpeg/mxc-jpeg.c:43: include/linux/scatterlist.h: In function 'sg_set_buf': include/asm-generic/page.h:93:50: warning: ordered comparison of pointer with null pointer [-Wextra] 93 | #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON' 137 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid' 137 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from include/linux/device.h:15, from include/linux/of_platform.h:9, from drivers/media/platform/imx-jpeg/mxc-jpeg.c:47: drivers/media/platform/imx-jpeg/mxc-jpeg.c: In function 'mxc_jpeg_config_enc_desc': >> drivers/media/platform/imx-jpeg/mxc-jpeg.c:891:21: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=] 891 | dev_dbg(jpeg->dev, "cfg_desc - 0x%llx:\n", cfg_desc_handle); | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:891:2: note: in expansion of macro 'dev_dbg' 891 | dev_dbg(jpeg->dev, "cfg_desc - 0x%llx:\n", cfg_desc_handle); | ^~~~~~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:891:38: note: format string is defined here 891 | dev_dbg(jpeg->dev, "cfg_desc - 0x%llx:\n", cfg_desc_handle); | ~~~^ | | | long long unsigned int | %x In file included from include/linux/device.h:15, from include/linux/of_platform.h:9, from drivers/media/platform/imx-jpeg/mxc-jpeg.c:47: drivers/media/platform/imx-jpeg/mxc-jpeg.c:893:21: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'dma_addr_t' {aka 'unsigned int'} [-Wformat=] 893 | dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:893:2: note: in expansion of macro 'dev_dbg' 893 | dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); | ^~~~~~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:893:38: note: format string is defined here 893 | dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); | ~~~^ | | | long long unsigned int | %x drivers/media/platform/imx-jpeg/mxc-jpeg.c: In function 'mxc_jpeg_probe': >> drivers/media/platform/imx-jpeg/mxc-jpeg.c:2140:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 2140 | mode = (int)(u64)of_id->data; | ^ vim +891 drivers/media/platform/imx-jpeg/mxc-jpeg.c 840 841 static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf, 842 struct mxc_jpeg_ctx *ctx, 843 struct vb2_buffer *src_buf, 844 struct vb2_buffer *dst_buf) 845 { 846 struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg; 847 void __iomem *reg = jpeg->base_reg; 848 unsigned int slot = ctx->slot; 849 struct mxc_jpeg_desc *desc = jpeg->slot_data[slot].desc; 850 struct mxc_jpeg_desc *cfg_desc = jpeg->slot_data[slot].cfg_desc; 851 dma_addr_t desc_handle = jpeg->slot_data[slot].desc_handle; 852 dma_addr_t cfg_desc_handle = jpeg->slot_data[slot].cfg_desc_handle; 853 void *cfg_stream_vaddr = jpeg->slot_data[slot].cfg_stream_vaddr; 854 struct mxc_jpeg_q_data *q_data; 855 enum mxc_jpeg_image_format img_fmt; 856 int w, h; 857 858 q_data = mxc_jpeg_get_q_data(ctx, src_buf->vb2_queue->type); 859 860 jpeg->slot_data[slot].cfg_stream_size = 861 mxc_jpeg_setup_cfg_stream(cfg_stream_vaddr, 862 q_data->fmt->fourcc, 863 q_data->w_adjusted, 864 q_data->h_adjusted); 865 866 /* chain the config descriptor with the encoding descriptor */ 867 cfg_desc->next_descpt_ptr = desc_handle | MXC_NXT_DESCPT_EN; 868 869 cfg_desc->buf_base0 = jpeg->slot_data[slot].cfg_stream_handle; 870 cfg_desc->buf_base1 = 0; 871 cfg_desc->line_pitch = 0; 872 cfg_desc->stm_bufbase = 0; /* no output expected */ 873 cfg_desc->stm_bufsize = 0x0; 874 cfg_desc->imgsize = 0; 875 cfg_desc->stm_ctrl = STM_CTRL_CONFIG_MOD(1); 876 877 desc->next_descpt_ptr = 0; /* end of chain */ 878 879 /* use adjusted resolution for CAST IP job */ 880 w = q_data->w_adjusted; 881 h = q_data->h_adjusted; 882 mxc_jpeg_set_res(desc, w, h); 883 mxc_jpeg_set_line_pitch(desc, w * (q_data->fmt->depth / 8)); 884 mxc_jpeg_set_bufsize(desc, desc->line_pitch * h); 885 img_fmt = mxc_jpeg_fourcc_to_imgfmt(q_data->fmt->fourcc); 886 if (img_fmt == MXC_JPEG_INVALID) 887 dev_err(jpeg->dev, "No valid image format detected\n"); 888 desc->stm_ctrl = STM_CTRL_CONFIG_MOD(0) | 889 STM_CTRL_IMAGE_FORMAT(img_fmt); 890 mxc_jpeg_addrs(desc, src_buf, dst_buf, 0); > 891 dev_dbg(jpeg->dev, "cfg_desc - 0x%llx:\n", cfg_desc_handle); 892 print_descriptor_info(jpeg->dev, cfg_desc); 893 dev_dbg(jpeg->dev, "enc desc - 0x%llx:\n", desc_handle); 894 print_descriptor_info(jpeg->dev, desc); 895 print_wrapper_info(jpeg->dev, reg); 896 print_cast_status(jpeg->dev, reg, MXC_JPEG_ENCODE); 897 898 /* validate the configuration descriptor */ 899 mxc_jpeg_set_desc(cfg_desc_handle, reg, slot); 900 } 901 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org