Hi Liam, Thank you for the patch! Yet something to improve: [auto build test ERROR on 2b6bff0b122785f09cfbdc34b1aa9edceea6e4c1] url: https://github.com/0day-ci/linux/commits/Liam-Beguin/iio-afe-add-temperat... base: 2b6bff0b122785f09cfbdc34b1aa9edceea6e4c1 config: openrisc-randconfig-c003-20211115 (https://download.01.org/0day-ci/archive/20211125/202111250238.lNOwhSKW-lk...) compiler: or1k-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 # https://github.com/0day-ci/linux/commit/bef63a2e36c2ceccc6f5954ab7e7cbb17... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Liam-Beguin/iio-afe-add-temperature-rescaling-support/20211115-114729 git checkout bef63a2e36c2ceccc6f5954ab7e7cbb178c08fd8 # 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=openrisc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend': (.text+0x46c): undefined reference to `fb_set_suspend' (.text+0x46c): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `fb_set_suspend' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_resume_worker': drm_fb_helper.c:(.text+0x4d8): undefined reference to `fb_set_suspend' drm_fb_helper.c:(.text+0x4d8): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `fb_set_suspend' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_unregister_fbi': (.text+0x76c): undefined reference to `unregister_framebuffer' (.text+0x76c): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `unregister_framebuffer' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_fini': (.text+0x878): undefined reference to `framebuffer_release' (.text+0x878): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `framebuffer_release' or1k-linux-ld: (.text+0x9f0): undefined reference to `fb_dealloc_cmap' (.text+0x9f0): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `fb_dealloc_cmap' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_read': (.text+0xa40): undefined reference to `fb_sys_read' (.text+0xa40): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `fb_sys_read' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi': (.text+0x25e8): undefined reference to `framebuffer_alloc' (.text+0x25e8): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `framebuffer_alloc' or1k-linux-ld: (.text+0x2620): undefined reference to `fb_alloc_cmap' (.text+0x2620): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `fb_alloc_cmap' or1k-linux-ld: (.text+0x2648): undefined reference to `framebuffer_release' (.text+0x2648): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `framebuffer_release' or1k-linux-ld: (.text+0x2788): undefined reference to `fb_dealloc_cmap' (.text+0x2788): relocation truncated to fit: R_OR1K_INSN_REL_26 against undefined symbol `fb_dealloc_cmap' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `__drm_fb_helper_initial_config_and_unlock': drm_fb_helper.c:(.text+0x2854): undefined reference to `register_framebuffer' drm_fb_helper.c:(.text+0x2854): additional relocation overflows omitted from the output or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_set_suspend_unlocked': (.text+0x37a8): undefined reference to `fb_set_suspend' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_generic_probe': drm_fb_helper.c:(.text+0x45c4): undefined reference to `fb_deferred_io_init' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_imageblit': (.text+0x4bd4): undefined reference to `cfb_imageblit' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_copyarea': (.text+0x4c54): undefined reference to `cfb_copyarea' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_cfb_fillrect': (.text+0x4cd4): undefined reference to `cfb_fillrect' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_imageblit': (.text+0x4d54): undefined reference to `sys_imageblit' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_copyarea': (.text+0x4dd4): undefined reference to `sys_copyarea' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_fillrect': (.text+0x4e54): undefined reference to `sys_fillrect' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_sys_write': (.text+0x4ecc): undefined reference to `fb_sys_write' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_fillrect': drm_fb_helper.c:(.text+0x5108): undefined reference to `cfb_fillrect' or1k-linux-ld: drm_fb_helper.c:(.text+0x5148): undefined reference to `sys_fillrect' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_imageblit': drm_fb_helper.c:(.text+0x51c8): undefined reference to `cfb_imageblit' or1k-linux-ld: drm_fb_helper.c:(.text+0x5208): undefined reference to `sys_imageblit' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_fb_copyarea': drm_fb_helper.c:(.text+0x5288): undefined reference to `cfb_copyarea' or1k-linux-ld: drm_fb_helper.c:(.text+0x52c8): undefined reference to `sys_copyarea' or1k-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fbdev_cleanup': drm_fb_helper.c:(.text+0x5570): undefined reference to `fb_deferred_io_cleanup' or1k-linux-ld: drivers/iio/test/iio-test-rescale.o: in function `iio_rescale_test_offset': iio-test-rescale.c:(.text+0x34): undefined reference to `kunit_kmalloc_array' or1k-linux-ld: iio-test-rescale.c:(.text+0xc8): undefined reference to `kunit_binary_assert_format' or1k-linux-ld: iio-test-rescale.c:(.text+0x14c): undefined reference to `kunit_binary_str_assert_format' or1k-linux-ld: iio-test-rescale.c:(.text+0x1b0): undefined reference to `kunit_do_assertion' or1k-linux-ld: drivers/iio/test/iio-test-rescale.o: in function `iio_rescale_test_scale': iio-test-rescale.c:(.text+0x380): undefined reference to `kunit_kmalloc_array' or1k-linux-ld: iio-test-rescale.c:(.text+0x420): undefined reference to `kunit_binary_assert_format' or1k-linux-ld: iio-test-rescale.c:(.text+0x440): undefined reference to `kunit_binary_assert_format' or1k-linux-ld: iio-test-rescale.c:(.text+0x470): undefined reference to `kunit_do_assertion' or1k-linux-ld: iio-test-rescale.c:(.text+0x6bc): undefined reference to `kunit_do_assertion' or1k-linux-ld: iio-test-rescale.c:(.text+0x730): undefined reference to `kunit_do_assertion' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org