Hi Benjamin, I love your patch! Perhaps something to improve: [auto build test WARNING on sunxi/sunxi/for-next] [also build test WARNING on robh/for-next v5.12-rc3 next-20210317] [cannot apply to linuxtv-media/master] [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/Benjamin-Gaignard/Add-HANTRO-G2-... base: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 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/92ff85add6e176c236b18f2a6a3e86468... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Benjamin-Gaignard/Add-HANTRO-G2-HEVC-decoder-support-for-IMX8MQ/20210318-013515 git checkout 92ff85add6e176c236b18f2a6a3e86468e5fb849 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 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 >>): 520 | void hantro_g2_check_idle(struct hantro_dev *vpu) | ^~~~~~~~~~~~~~~~~~~~ vim +/hantro_g2_check_idle +520 drivers/staging/media/hantro/hantro_g2_hevc_dec.c 519 521 { 522 int i; 523 524 for (i = 0; i < 3; i++) { 525 u32 status; 526 527 /* Make sure the VPU is idle */ 528 status = vdpu_read(vpu, HEVC_REG_INTERRUPT); 529 if (status & HEVC_REG_INTERRUPT_DEC_E) { 530 dev_warn(vpu->dev, "device still running, aborting"); 531 status |= HEVC_REG_INTERRUPT_DEC_ABORT_E | HEVC_REG_INTERRUPT_DEC_IRQ_DIS; 532 vdpu_write(vpu, status, HEVC_REG_INTERRUPT); 533 } 534 } 535 } 536 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org