Hi Dongjiu, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on vkoul-dmaengine/next] [also build test WARNING on robh/for-next pza/reset/next v5.10-rc3 next-20201113] [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/Dongjiu-Geng/dt-bindings-dma-Add... base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next config: arm64-allyesconfig (attached as .config) compiler: aarch64-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/bafd07a67a5daf6eefedcd050312e9ee3... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dongjiu-Geng/dt-bindings-dma-Add-DT-bindings-for-HiSilicon-Hiedma-Controller/20201114-001353 git checkout bafd07a67a5daf6eefedcd050312e9ee307c255a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 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 >>): 144 | void dump_lli(u64 *llis_vaddr, unsigned int num) | ^~~~~~~~ drivers/dma/hiedmacv310.c: In function 'hiedmac_pause_phy_chan': 527 | phychan->id, timeout); | ^ drivers/dma/hiedmacv310.c: At top level: 650 | struct transfer_desc *hiedmac_init_tsf_desc(struct dma_chan *chan, | ^~~~~~~~~~~~~~~~~~~~~ 1088 | bool handle_irq(struct hiedmacv310_driver_data *hiedmac, int chan_id) | ^~~~~~~~~~ 1210 | void hiedmac_free_virt_channels(struct dma_device *dmadev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/dump_lli +144 drivers/dma/hiedmacv310.c 142 143 #else 145 { 146 } 147 #endif 148 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org