Hi Laurent, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.7-rc4] [cannot apply to linuxtv-media/master anholt/for-next next-20200504] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Laurent-Pinchart/Drivers-for-the-BCM283x-CSI-2-CCP2-receiver-and-ISP/20200505-054310 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9851a0dee7c28514f149f7e4f60ec1b06286cc1b config: c6x-allyesconfig (attached as .config) compiler: c6x-elf-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=c6x If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): drivers/media/platform/bcm2835/bcm2835-unicam.c: In function 'unicam_probe_complete': >> drivers/media/platform/bcm2835/bcm2835-unicam.c:2531:8: error: implicit declaration of function 'v4l2_device_register_ro_subdev_nodes'; did you mean 'v4l2_device_register_subdev_nodes'? [-Werror=implicit-function-declaration] 2531 | ret = v4l2_device_register_ro_subdev_nodes(&unicam->v4l2_dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | v4l2_device_register_subdev_nodes drivers/media/platform/bcm2835/bcm2835-unicam.c: In function 'get_first_supported_format': >> drivers/media/platform/bcm2835/bcm2835-unicam.c:1014:18: warning: 'ret' is used uninitialized in this function [-Wuninitialized] 1014 | for (i = 0; ret != -EINVAL && ret != -ENOIOCTLCMD; ++i) { during RTL pass: mach drivers/media/platform/bcm2835/bcm2835-unicam.c: In function 'register_node': drivers/media/platform/bcm2835/bcm2835-unicam.c:2483:1: internal compiler error: in priority, at haifa-sched.c:1599 2483 | } | ^ 0x527435 priority /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/haifa-sched.c:1599 0xeeff2a priority /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/haifa-sched.c:1595 0xeeff2a apply_replacement /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/haifa-sched.c:4719 0xef0b20 undo_replacements_for_backtrack /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/haifa-sched.c:4454 0xef0d63 restore_last_backtrack_point /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/haifa-sched.c:4551 0xef4f5e schedule_block(basic_block_def**, void*) /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/haifa-sched.c:6952 0xf72558 schedule_ebb(rtx_insn*, rtx_insn*, bool) /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/sched-ebb.c:537 0xf72bd1 schedule_ebbs() /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/sched-ebb.c:656 0xc94f9b c6x_reorg /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/config/c6x/c6x.c:5943 0x984d9d execute /tmp/build-crosstools-xh-9.3.0-2.34/gcc/gcc-9.3.0/gcc/reorg.c:3992 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. vim +2531 drivers/media/platform/bcm2835/bcm2835-unicam.c 2504 2505 static int unicam_probe_complete(struct unicam_device *unicam) 2506 { 2507 int ret; 2508 2509 unicam->v4l2_dev.notify = unicam_notify; 2510 2511 unicam->sensor_config = v4l2_subdev_alloc_pad_config(unicam->sensor); 2512 if (!unicam->sensor_config) 2513 return -ENOMEM; 2514 2515 unicam->sensor_embedded_data = (unicam->sensor->entity.num_pads >= 2); 2516 2517 ret = register_node(unicam, &unicam->node[IMAGE_PAD], 2518 V4L2_BUF_TYPE_VIDEO_CAPTURE, IMAGE_PAD); 2519 if (ret) { 2520 unicam_err(unicam, "Unable to register image video device.\n"); 2521 goto unregister; 2522 } 2523 2524 ret = register_node(unicam, &unicam->node[METADATA_PAD], 2525 V4L2_BUF_TYPE_META_CAPTURE, METADATA_PAD); 2526 if (ret) { 2527 unicam_err(unicam, "Unable to register metadata video device.\n"); 2528 goto unregister; 2529 } 2530 > 2531 ret = v4l2_device_register_ro_subdev_nodes(&unicam->v4l2_dev); 2532 if (ret) { 2533 unicam_err(unicam, "Unable to register subdev nodes.\n"); 2534 goto unregister; 2535 } 2536 2537 /* 2538 * Release the initial reference, all references are now owned by the 2539 * video devices. 2540 */ 2541 unicam_put(unicam); 2542 return 0; 2543 2544 unregister: 2545 unregister_nodes(unicam); 2546 unicam_put(unicam); 2547 2548 return ret; 2549 } 2550 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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