Hi Mike, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.13-rc7 next-20210625] [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/Mike-Tipton/interconnect-Fix-sync-state-issues/20210626-053132 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 55fcd4493da5ac8a0f7a0b3b5ae8448aee2041bb config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/ad01b68a345bdae6c24bd45720f4a01a2f9be49b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mike-Tipton/interconnect-Fix-sync-state-issues/20210626-053132 git checkout ad01b68a345bdae6c24bd45720f4a01a2f9be49b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/interconnect/qcom/icc-rpmh.c: In function 'qcom_icc_set': >> drivers/interconnect/qcom/icc-rpmh.c:87:24: warning: variable 'qn' set but not used [-Wunused-but-set-variable] 87 | struct qcom_icc_node *qn; | ^~ vim +/qn +87 drivers/interconnect/qcom/icc-rpmh.c 976daac4a1c581 David Dai 2020-02-28 76 976daac4a1c581 David Dai 2020-02-28 77 /** 976daac4a1c581 David Dai 2020-02-28 78 * qcom_icc_set - set the constraints based on path 976daac4a1c581 David Dai 2020-02-28 79 * @src: source node for the path to set constraints on 976daac4a1c581 David Dai 2020-02-28 80 * @dst: destination node for the path to set constraints on 976daac4a1c581 David Dai 2020-02-28 81 * 976daac4a1c581 David Dai 2020-02-28 82 * Return: 0 on success, or an error code otherwise 976daac4a1c581 David Dai 2020-02-28 83 */ 976daac4a1c581 David Dai 2020-02-28 84 int qcom_icc_set(struct icc_node *src, struct icc_node *dst) 976daac4a1c581 David Dai 2020-02-28 85 { 976daac4a1c581 David Dai 2020-02-28 86 struct qcom_icc_provider *qp; 266cd33b591385 Georgi Djakov 2020-10-22 @87 struct qcom_icc_node *qn; 976daac4a1c581 David Dai 2020-02-28 88 struct icc_node *node; 976daac4a1c581 David Dai 2020-02-28 89 976daac4a1c581 David Dai 2020-02-28 90 if (!src) 976daac4a1c581 David Dai 2020-02-28 91 node = dst; 976daac4a1c581 David Dai 2020-02-28 92 else 976daac4a1c581 David Dai 2020-02-28 93 node = src; 976daac4a1c581 David Dai 2020-02-28 94 976daac4a1c581 David Dai 2020-02-28 95 qp = to_qcom_provider(node->provider); 266cd33b591385 Georgi Djakov 2020-10-22 96 qn = node->data; 266cd33b591385 Georgi Djakov 2020-10-22 97 976daac4a1c581 David Dai 2020-02-28 98 qcom_icc_bcm_voter_commit(qp->voter); 976daac4a1c581 David Dai 2020-02-28 99 976daac4a1c581 David Dai 2020-02-28 100 return 0; 976daac4a1c581 David Dai 2020-02-28 101 } 976daac4a1c581 David Dai 2020-02-28 102 EXPORT_SYMBOL_GPL(qcom_icc_set); 976daac4a1c581 David Dai 2020-02-28 103 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org