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 v5.12-rc1 next-20210303] [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/20210223-031832 base: git://linuxtv.org/media_tree.git master config: powerpc64-randconfig-r004-20210303 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a7cad6680b4087eff8994f1f99ac40c661a6621f) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://github.com/0day-ci/linux/commit/6e821067180472a0ae64a91440bd234c86040310 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/20210223-031832 git checkout 6e821067180472a0ae64a91440bd234c86040310 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/media/platform/imx-jpeg/mxc-jpeg.c:45: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:43:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:236:1: note: expanded from here __do_insb ^ arch/powerpc/include/asm/io.h:556:56: note: expanded from macro '__do_insb' #define __do_insb(p, b, n) readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from drivers/media/platform/imx-jpeg/mxc-jpeg.c:45: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:238:1: note: expanded from here __do_insw ^ arch/powerpc/include/asm/io.h:557:56: note: expanded from macro '__do_insw' #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from drivers/media/platform/imx-jpeg/mxc-jpeg.c:45: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:240:1: note: expanded from here __do_insl ^ arch/powerpc/include/asm/io.h:558:56: note: expanded from macro '__do_insl' #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from drivers/media/platform/imx-jpeg/mxc-jpeg.c:45: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:3:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:559:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from drivers/media/platform/imx-jpeg/mxc-jpeg.c:45: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:5:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:560:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from drivers/media/platform/imx-jpeg/mxc-jpeg.c:45: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:619: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:616:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:7:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:561:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ >> drivers/media/platform/imx-jpeg/mxc-jpeg.c:891:45: 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:123:39: note: expanded from macro 'dev_dbg' dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:162:19: note: expanded from macro 'dynamic_dev_dbg' dev, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:147:56: note: expanded from macro '_dynamic_func_call' __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/dynamic_debug.h:129:15: note: expanded from macro '__dynamic_func_call' func(&id, ##__VA_ARGS__); \ ^~~~~~~~~~~ drivers/media/platform/imx-jpeg/mxc-jpeg.c:893:45: 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:123:39: note: expanded from macro 'dev_dbg' dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:162:19: note: expanded from macro 'dynamic_dev_dbg' dev, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dynamic_debug.h:147:56: note: expanded from macro '_dynamic_func_call' __dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/dynamic_debug.h:129:15: note: expanded from macro '__dynamic_func_call' func(&id, ##__VA_ARGS__); \ ^~~~~~~~~~~ 8 warnings generated. 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@xxxxxxxxxxxx
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