Hi Yu'an,

FYI, the error/warning still remains.

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: bafa65a8c91fb9c99706d2d22210690199f95779 commit: 451823febcb610969f048556cedc41b5e08fafb1 [1219/1219] UACCE backport from mainline config: x86_64-buildonly-randconfig-001-20241025 (https://download.01.org/0day-ci/archive/20241108/202411081751.ofDiZRvj-lkp@i...) compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241108/202411081751.ofDiZRvj-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202411081751.ofDiZRvj-lkp@intel.com/

All warnings (new ones prefixed by >>):

drivers/misc/uacce/uacce.c:1032:16: warning: unused variable 'uacce' [-Wunused-variable] 1032 | struct uacce *uacce = UACCE_FROM_CDEV_ATTR(dev); | ^~~~~ drivers/misc/uacce/uacce.c:1046:16: warning: unused variable 'uacce' [-Wunused-variable] 1046 | struct uacce *uacce = UACCE_FROM_CDEV_ATTR(dev); | ^~~~~ 2 warnings generated. drivers/misc/uacce/uacce.c:60: warning: Function parameter or member 'dev' not described in 'dev_to_uacce' drivers/misc/uacce/uacce.c:81: warning: Function parameter or member 'uacce' not described in 'uacce_hw_err_isolate' drivers/misc/uacce/uacce.c:140: warning: Function parameter or member 'q' not described in 'uacce_wake_up'

...

drivers/misc/uacce/uacce.o: warning: objtool: missing symbol for section .init.text