Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on vkoul-dmaengine/next] [also build test WARNING on linus/master v6.0-rc6 next-20220919] [cannot apply to media-tree/master xilinx-xlnx/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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/tumic-gpxsee-org/Digiteq-Automotive-MGB4-driver/20220920-021718 base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220920/202209201009.KI4tLr7u-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/ad840c5e2b9ee9a8b1ceb4879fe7f82edcc767c5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review tumic-gpxsee-org/Digiteq-Automotive-MGB4-driver/20220920-021718 git checkout ad840c5e2b9ee9a8b1ceb4879fe7f82edcc767c5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/dma/xilinx/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/dma/xilinx/xilinx_xdma.c: In function 'read_interrupts': >> drivers/dma/xilinx/xilinx_xdma.c:409:17: warning: variable 'hi' set but not used [-Wunused-but-set-variable] 409 | u32 lo, hi; | ^~ >> drivers/dma/xilinx/xilinx_xdma.c:409:13: warning: variable 'lo' set but not used [-Wunused-but-set-variable] 409 | u32 lo, hi; | ^~ vim +/hi +409 drivers/dma/xilinx/xilinx_xdma.c 404 405 static void read_interrupts(struct xdma_dev *xdev) 406 { 407 struct interrupt_regs *reg = 408 (struct interrupt_regs *)(xdev->config_bar + XDMA_OFS_INT_CTRL); > 409 u32 lo, hi; 410 411 hi = ioread32(®->user_int_request); 412 lo = ioread32(®->channel_int_request); 413 } 414 -- 0-DAY CI Kernel Test Service https://01.org/lkp
