[kbuild-all] Re: [PATCH V1 1/3] rpmsg: core: Add signal API support

Hi Deepak, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.15] [cannot apply to next-20211109] [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] url: https://github.com/0day-ci/linux/commits/Deepak-Kumar-Singh/rpmsg-core-Ad... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 02d5e016800d082058b3d3b7c3ede136cdc6ddcb config: arm-randconfig-c002-20211001 (attached as .config) compiler: arm-linux-gnueabi-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 # https://github.com/0day-ci/linux/commit/b1743368f111ecd56fb976dd6dea19d04... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Deepak-Kumar-Singh/rpmsg-core-Add-signal-API-support/20211001-003225 git checkout b1743368f111ecd56fb976dd6dea19d041e3ad4e # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/bluetooth/ 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 >>): In file included from drivers/bluetooth/btqcomsmd.c:9: 307 | { | ^ In file included from drivers/bluetooth/btqcomsmd.c:9: include/linux/rpmsg.h:306:19: warning: 'rpmsg_set_flow_control' declared 'static' but never defined [-Wunused-function] 306 | static inline int rpmsg_set_flow_control(struct rpmsg_endpoint *ept, bool enable); | ^~~~~~~~~~~~~~~~~~~~~~ vim +307 include/linux/rpmsg.h 305 306 static inline int rpmsg_set_flow_control(struct rpmsg_endpoint *ept, bool enable); 308 /* This shouldn't be possible */ 309 WARN_ON(1); 310 311 return -ENXIO; 312 } 313 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org