tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y head: 541ec9a6995c3dd881d6f0b63cc714a08ded457d commit: 821f316d0ad8840a5bb6563b5461dce9289fd558 [10024/10213] remoteproc: k3-m4: Add a remoteproc driver for M4F subsystem config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20211209/202112090056.3GhFxDhB-lk...) compiler: aarch64-linux-gcc (GCC) 11.2.0 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 git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git git fetch --no-tags ti ti-rt-linux-5.10.y git checkout 821f316d0ad8840a5bb6563b5461dce9289fd558 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/ethernet/ti/ drivers/remoteproc/ 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/remoteproc/ti_k3_m4_remoteproc.c: In function 'k3_m4_rproc_start': 327 | u32 boot_addr; | ^~~~~~~~~ vim +/boot_addr +327 drivers/remoteproc/ti_k3_m4_remoteproc.c 315 316 /* 317 * Power up the M4F remote processor. 318 * 319 * This function will be invoked only after the firmware for this rproc 320 * was loaded, parsed successfully, and all of its resource requirements 321 * were met. 322 */ 323 static int k3_m4_rproc_start(struct rproc *rproc) 324 { 325 struct k3_m4_rproc *kproc = rproc->priv; 326 struct device *dev = kproc->dev; 328 int ret; 329 330 if (kproc->ipc_only) { 331 dev_err(dev, "%s cannot be invoked in IPC-only mode\n", 332 __func__); 333 return -EINVAL; 334 } 335 336 ret = k3_m4_rproc_request_mbox(rproc); 337 if (ret) 338 return ret; 339 340 boot_addr = rproc->bootaddr; 341 ret = k3_m4_rproc_release(kproc); 342 if (ret) 343 goto put_mbox; 344 345 return 0; 346 347 put_mbox: 348 mbox_free_channel(kproc->mbox); 349 return ret; 350 } 351 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org