Hi Seng, FYI, the error/warning still remains. tree: https://github.com/intel/linux-intel-lts.git 5.4/preempt-rt head: b428b2464d25f05987f834bbd84273b8d6859495 commit: 2d2e3dc79dbf54b9905e4086db001a25047d8c0c [7050/16579] Enable support for GNA drivers based on GNA API specification 2.0 config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/linux-intel-lts/commit/2d2e3dc79dbf54b9905e4086d... git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-linux-intel-lts 5.4/preempt-rt git checkout 2d2e3dc79dbf54b9905e4086db001a25047d8c0c # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 270 | void gna_dev_release(struct device *dev) | ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- drivers/misc/gna/gna_ioctl.c: In function 'gna_ioctl': 251 | u64 size; | ^~~~ 250 | void *data; | ^~~~ cc1: all warnings being treated as errors -- drivers/misc/gna/gna_mem.c: In function 'gna_priv_userptr': 527 | if (mo->memory_id < 0) { | ^ cc1: all warnings being treated as errors -- 37 | .max_layer_count = 4096 | ^~~~ drivers/misc/gna/gna_pci.c:61:2: note: in expansion of macro 'GNA_GEN2_FEATURES' 61 | GNA_GEN2_FEATURES | ^~~~~~~~~~~~~~~~~ drivers/misc/gna/gna_pci.c:37:21: note: (near initialization for 'jsl_drv_info.max_layer_count') 37 | .max_layer_count = 4096 | ^~~~ drivers/misc/gna/gna_pci.c:61:2: note: in expansion of macro 'GNA_GEN2_FEATURES' 61 | GNA_GEN2_FEATURES | ^~~~~~~~~~~~~~~~~ 37 | .max_layer_count = 4096 | ^~~~ drivers/misc/gna/gna_pci.c:66:2: note: in expansion of macro 'GNA_GEN2_FEATURES' 66 | GNA_GEN2_FEATURES | ^~~~~~~~~~~~~~~~~ drivers/misc/gna/gna_pci.c:37:21: note: (near initialization for 'tgl_drv_info.max_layer_count') 37 | .max_layer_count = 4096 | ^~~~ drivers/misc/gna/gna_pci.c:66:2: note: in expansion of macro 'GNA_GEN2_FEATURES' 66 | GNA_GEN2_FEATURES | ^~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/gna_dev_release +270 drivers/misc/gna/gna_drv.c 269 271 { 272 struct gna_private *gna_priv; 273 274 dev_dbg(dev, "%s enter\n", __func__); 275 276 gna_priv = dev_get_drvdata(dev); 277 278 __clear_bit(MINOR(dev->devt), gna_drv_priv.dev_map); 279 flush_workqueue(gna_priv->request_wq); 280 destroy_workqueue(gna_priv->request_wq); 281 idr_destroy(&gna_priv->memory_idr); 282 gna_mmu_free(gna_priv); 283 dev_set_drvdata(dev, NULL); 284 pci_set_drvdata(gna_priv->pdev, NULL); 285 286 kfree(gna_priv); 287 288 dev_dbg(dev, "%s exit\n", __func__); 289 } 290 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org