Hi Basavaraj, kernel test robot noticed the following build warnings: [auto build test WARNING on vkoul-dmaengine/next] [also build test WARNING on linus/master v6.9-rc7 next-20240510] [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/Basavaraj-Natikar/dmaengine-Move-AMD-DMA-driver-to-separate-directory/20240510-162221 base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next patch link: https://lore.kernel.org/r/20240510082053.875923-5-Basavaraj.Natikar%40amd.com patch subject: [PATCH 4/7] dmaengine: ptdma: Extend ptdma to support multi-channel and version config: x86_64-randconfig-122-20240511 (https://download.01.org/0day-ci/archive/20240511/202405111809.dOmIUtt3-lkp@xxxxxxxxx/config) compiler: gcc-11 (Ubuntu 11.4.0-4ubuntu1) 11.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405111809.dOmIUtt3-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202405111809.dOmIUtt3-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/dma/amd/ptdma/ptdma-dmaengine.c: In function 'pt_create_desc': >> drivers/dma/amd/ptdma/ptdma-dmaengine.c:208:30: warning: variable 'cmd_q' set but not used [-Wunused-but-set-variable] 208 | struct pt_cmd_queue *cmd_q; | ^~~~~ vim +/cmd_q +208 drivers/dma/amd/ptdma/ptdma-dmaengine.c 197 198 static struct pt_dma_desc *pt_create_desc(struct dma_chan *dma_chan, 199 dma_addr_t dst, 200 dma_addr_t src, 201 unsigned int len, 202 unsigned long flags) 203 { 204 struct pt_dma_chan *chan = to_pt_chan(dma_chan); 205 struct pt_passthru_engine *pt_engine; 206 struct pt_device *pt = chan->pt; 207 struct ae4_cmd_queue *ae4cmd_q; > 208 struct pt_cmd_queue *cmd_q; 209 struct pt_dma_desc *desc; 210 struct ae4_device *ae4; 211 struct pt_cmd *pt_cmd; 212 213 desc = pt_alloc_dma_desc(chan, flags); 214 if (!desc) 215 return NULL; 216 217 pt_cmd = &desc->pt_cmd; 218 pt_cmd->pt = pt; 219 pt_engine = &pt_cmd->passthru; 220 pt_cmd->engine = PT_ENGINE_PASSTHRU; 221 pt_engine->src_dma = src; 222 pt_engine->dst_dma = dst; 223 pt_engine->src_len = len; 224 pt_cmd->pt_cmd_callback = pt_cmd_callback; 225 pt_cmd->data = desc; 226 227 desc->len = len; 228 229 if (pt->ver == AE4_DMA_VERSION) { 230 ae4 = container_of(pt, struct ae4_device, pt); 231 ae4cmd_q = &ae4->ae4cmd_q[chan->id]; 232 cmd_q = &ae4cmd_q->cmd_q; 233 mutex_lock(&ae4cmd_q->cmd_lock); 234 list_add_tail(&pt_cmd->entry, &ae4cmd_q->cmd); 235 mutex_unlock(&ae4cmd_q->cmd_lock); 236 } 237 238 return desc; 239 } 240 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
