[kbuild-all] [linux-chenxing:mstar_v5_14_rebase_i2_drm 156/349] drivers/dma/mstar/mstar-msc313-cmdq.c:142:6: warning: no previous prototype for 'msc313_cmdq_issue_pending'

tree: git://github.com/linux-chenxing/linux.git mstar_v5_14_rebase_i2_drm head: 93dfb2364436067bf34c6d4ddcd282496182cc0f commit: 8104b59f2bd1ea881f923e9de519dfd639185995 [156/349] MSC313: CMDQ dma 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/8104b59f2bd1ea881f923e9de5... 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 8104b59f2bd1ea881f923e9de519dfd639185995 # 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-cmdq.c: In function 'msc313_cmdq_irq': drivers/dma/mstar/mstar-msc313-cmdq.c:132:22: warning: unused variable 'cmdq' [-Wunused-variable] 132 | struct msc313_cmdq *cmdq = data; | ^~~~ drivers/dma/mstar/mstar-msc313-cmdq.c: At top level: 142 | void msc313_cmdq_issue_pending(struct dma_chan *chan){ | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/mstar/mstar-msc313-cmdq.c: In function 'msc313_tx_submit': 148 | struct msc313_cmdq_desc *desc = to_desc(tx); | ^~~~~~ vim +/msc313_cmdq_issue_pending +142 drivers/dma/mstar/mstar-msc313-cmdq.c 141 143 printk("cmdq issue pending\n"); 144 } 145 146 static dma_cookie_t msc313_tx_submit(struct dma_async_tx_descriptor *tx){ 147 struct msc313_cmdq_chan *chan = to_chan(tx->chan); 149 list_add_tail(&desc->queue_node, &chan->queue); 150 return chan->cookie++; 151 } 152 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org