tree: git://github.com/linux-chenxing/linux.git mstar_v5_14_rebase_i2_drm head: 93dfb2364436067bf34c6d4ddcd282496182cc0f commit: c5e4acb2d1b28e7d0ccecb5a9232072ebfb29790 [243/349] dma: mstar: urdma config: s390-allyesconfig (attached as .config) compiler: s390-linux-gcc (GCC) 10.3.0 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/linux-chenxing/linux/commit/c5e4acb2d1b28e7d0ccecb5a92... git remote add linux-chenxing git://github.com/linux-chenxing/linux.git git fetch --no-tags linux-chenxing mstar_v5_14_rebase_i2_drm git checkout c5e4acb2d1b28e7d0ccecb5a9232072ebfb29790 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=s390 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 >>): drivers/dma/mstar/mstar-msc313-urdma.c: In function 'msc313_urdma_irq': drivers/dma/mstar/mstar-msc313-urdma.c:59:23: warning: unused variable 'urdma' [-Wunused-variable] 59 | struct msc313_urdma *urdma = data; | ^~~~~ drivers/dma/mstar/mstar-msc313-urdma.c: At top level: 69 | void msc313_urdma_issue_pending(struct dma_chan *chan){ | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/mstar/mstar-msc313-urdma.c: In function 'msc313_tx_submit': 75 | struct msc313_urdma_desc *desc = to_desc(tx); | ^~~~~~ vim +/msc313_urdma_issue_pending +69 drivers/dma/mstar/mstar-msc313-urdma.c 68 70 printk("urdma issue pending\n"); 71 } 72 73 static dma_cookie_t msc313_tx_submit(struct dma_async_tx_descriptor *tx){ 74 struct msc313_urdma_chan *chan = to_chan(tx->chan); 76 list_add_tail(&desc->queue_node, &chan->queue); 77 return chan->cookie++; 78 } 79 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org