[kbuild-all] [pinchartl-media:rpi/next/bcm2835-isp 5/49] drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:729:1: warning: no previous prototype for 'vc_sm_cma_import_dmabuf_internal'

tree: git://linuxtv.org/pinchartl/media.git rpi/next/bcm2835-isp head: 97975aa0732da0e2084ed69d140656c2162bec05 commit: 0cfa42bcc0795e569f1312e6ef5843c97bd36642 [5/49] staging: vc04_services: Add new vc-sm-cma driver config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20220112/202201122119.QHDMCN1z-lk...) compiler: sparc64-linux-gcc (GCC) 11.2.0 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 remote add pinchartl-media git://linuxtv.org/pinchartl/media.git git fetch --no-tags pinchartl-media rpi/next/bcm2835-isp git checkout 0cfa42bcc0795e569f1312e6ef5843c97bd36642 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc SHELL=/bin/bash drivers/media/platform/atmel/ drivers/staging/vc04_services/vc-sm-cma/ 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 >>): 729 | vc_sm_cma_import_dmabuf_internal(struct vc_sm_privdata_t *private, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1112 | int vc_sm_cma_ioctl_alloc(struct vc_sm_privdata_t *private, | ^~~~~~~~~~~~~~~~~~~~~ drivers/staging/vc04_services/vc-sm-cma/vc_sm.c: In function 'cache_op_to_func': drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1265:24: error: 'dmac_flush_range' undeclared (first use in this function) 1265 | return dmac_flush_range; | ^~~~~~~~~~~~~~~~ drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1265:24: note: each undeclared identifier is reported only once for each function it appears in drivers/staging/vc04_services/vc-sm-cma/vc_sm.c: At top level: drivers/staging/vc04_services/vc-sm-cma/vc_sm.c:1463:17: error: unknown type name 'compat_uptr_t' 1463 | compat_uptr_t start_address; | ^~~~~~~~~~~~~ vim +/vc_sm_cma_import_dmabuf_internal +729 drivers/staging/vc04_services/vc-sm-cma/vc_sm.c 726 727 /* Import a dma_buf to be shared with VC. */ 728 int 730 struct dma_buf *dma_buf, 731 int fd, 732 struct dma_buf **imported_buf) 733 { 734 DEFINE_DMA_BUF_EXPORT_INFO(exp_info); 735 struct vc_sm_buffer *buffer = NULL; 736 struct vc_sm_import import = { }; 737 struct vc_sm_import_result result = { }; 738 struct dma_buf_attachment *attach = NULL; 739 struct sg_table *sgt = NULL; 740 dma_addr_t dma_addr; 741 int ret = 0; 742 int status; 743 744 /* Setup our allocation parameters */ 745 pr_debug("%s: importing dma_buf %p/fd %d\n", __func__, dma_buf, fd); 746 747 if (fd < 0) 748 get_dma_buf(dma_buf); 749 else 750 dma_buf = dma_buf_get(fd); 751 752 if (!dma_buf) 753 return -EINVAL; 754 755 attach = dma_buf_attach(dma_buf, &sm_state->pdev->dev); 756 if (IS_ERR(attach)) { 757 ret = PTR_ERR(attach); 758 goto error; 759 } 760 761 sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); 762 if (IS_ERR(sgt)) { 763 ret = PTR_ERR(sgt); 764 goto error; 765 } 766 767 /* Verify that the address block is contiguous */ 768 if (sgt->nents != 1) { 769 ret = -ENOMEM; 770 goto error; 771 } 772 773 /* Allocate local buffer to track this allocation. */ 774 buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); 775 if (!buffer) { 776 ret = -ENOMEM; 777 goto error; 778 } 779 780 import.type = VC_SM_ALLOC_NON_CACHED; 781 dma_addr = sg_dma_address(sgt->sgl); 782 import.addr = (u32)dma_addr; 783 if ((import.addr & 0xC0000000) != 0xC0000000) { 784 pr_err("%s: Expecting an uncached alias for dma_addr %pad\n", 785 __func__, &dma_addr); 786 import.addr |= 0xC0000000; 787 } 788 import.size = sg_dma_len(sgt->sgl); 789 import.allocator = current->tgid; 790 import.kernel_id = get_kernel_id(buffer); 791 792 memcpy(import.name, VC_SM_RESOURCE_NAME_DEFAULT, 793 sizeof(VC_SM_RESOURCE_NAME_DEFAULT)); 794 795 pr_debug("[%s]: attempt to import \"%s\" data - type %u, addr %pad, size %u.\n", 796 __func__, import.name, import.type, &dma_addr, import.size); 797 798 /* Allocate the videocore buffer. */ 799 status = vc_sm_cma_vchi_import(sm_state->sm_handle, &import, &result, 800 &sm_state->int_trans_id); 801 if (status == -EINTR) { 802 pr_debug("[%s]: requesting import memory action restart (trans_id: %u)\n", 803 __func__, sm_state->int_trans_id); 804 ret = -ERESTARTSYS; 805 private->restart_sys = -EINTR; 806 private->int_action = VC_SM_MSG_TYPE_IMPORT; 807 goto error; 808 } else if (status || !result.res_handle) { 809 pr_debug("[%s]: failed to import memory on videocore (status: %u, trans_id: %u)\n", 810 __func__, status, sm_state->int_trans_id); 811 ret = -ENOMEM; 812 goto error; 813 } 814 815 mutex_init(&buffer->lock); 816 INIT_LIST_HEAD(&buffer->attachments); 817 memcpy(buffer->name, import.name, 818 min(sizeof(buffer->name), sizeof(import.name) - 1)); 819 820 /* Keep track of the buffer we created. */ 821 buffer->private = private; 822 buffer->vc_handle = result.res_handle; 823 buffer->size = import.size; 824 buffer->vpu_state = VPU_MAPPED; 825 826 buffer->imported = 1; 827 buffer->import.dma_buf = dma_buf; 828 829 buffer->import.attach = attach; 830 buffer->import.sgt = sgt; 831 buffer->dma_addr = dma_addr; 832 buffer->in_use = 1; 833 buffer->kernel_id = import.kernel_id; 834 835 /* 836 * We're done - we need to export a new dmabuf chaining through most 837 * functions, but enabling us to release our own internal references 838 * here. 839 */ 840 exp_info.ops = &dma_buf_import_ops; 841 exp_info.size = import.size; 842 exp_info.flags = O_RDWR; 843 exp_info.priv = buffer; 844 845 buffer->dma_buf = dma_buf_export(&exp_info); 846 if (IS_ERR(buffer->dma_buf)) { 847 ret = PTR_ERR(buffer->dma_buf); 848 goto error; 849 } 850 851 vc_sm_add_resource(private, buffer); 852 853 *imported_buf = buffer->dma_buf; 854 855 return 0; 856 857 error: 858 if (result.res_handle) { 859 struct vc_sm_free_t free = { result.res_handle, 0 }; 860 861 vc_sm_cma_vchi_free(sm_state->sm_handle, &free, 862 &sm_state->int_trans_id); 863 } 864 free_kernel_id(import.kernel_id); 865 kfree(buffer); 866 if (sgt) 867 dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL); 868 if (attach) 869 dma_buf_detach(dma_buf, attach); 870 dma_buf_put(dma_buf); 871 return ret; 872 } 873 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org