Hi Michal, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.12-rc2] [cannot apply to next-20241011] [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/Michal-Wilczynski/mailbox-Introduce-support-for-T-head-TH1520-Mailbox-driver/20241009-015033 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20241008174852.222374-2-m.wilczynski%40samsung.com patch subject: [PATCH v3 1/3] mailbox: Introduce support for T-head TH1520 Mailbox driver config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20241012/202410121547.KF1WUbP1-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241012/202410121547.KF1WUbP1-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/202410121547.KF1WUbP1-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/mailbox/mailbox-th1520.c: In function 'th1520_mbox_chan_id_to_mapbit': >> drivers/mailbox/mailbox-th1520.c:196:34: warning: unused variable 'priv' [-Wunused-variable] 196 | struct th1520_mbox_priv *priv = to_th1520_mbox_priv(cp->chan->mbox); | ^~~~ drivers/mailbox/mailbox-th1520.c: In function 'th1520_mbox_xlate': drivers/mailbox/mailbox-th1520.c:381:34: warning: unused variable 'priv' [-Wunused-variable] 381 | struct th1520_mbox_priv *priv = to_th1520_mbox_priv(mbox); | ^~~~ drivers/mailbox/mailbox-th1520.c: In function 'th1520_mbox_probe': >> drivers/mailbox/mailbox-th1520.c:441:26: warning: unused variable 'res' [-Wunused-variable] 441 | struct resource *res; | ^~~ >> drivers/mailbox/mailbox-th1520.c:439:29: warning: unused variable 'np' [-Wunused-variable] 439 | struct device_node *np = dev->of_node; | ^~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for MODVERSIONS Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y] Selected by [y]: - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=n] || GCC_PLUGINS [=y]) && MODULES [=y] WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] vim +/priv +196 drivers/mailbox/mailbox-th1520.c 193 194 static int th1520_mbox_chan_id_to_mapbit(struct th1520_mbox_con_priv *cp) 195 { > 196 struct th1520_mbox_priv *priv = to_th1520_mbox_priv(cp->chan->mbox); 197 int mapbit = 0; 198 int i; 199 200 for (i = 0; i < TH_1520_MBOX_CHANS; i++) { 201 if (i == cp->idx) 202 return mapbit; 203 204 if (i != TH_1520_MBOX_ICU_KERNEL_CPU0) 205 mapbit++; 206 } 207 208 if (i == TH_1520_MBOX_CHANS) 209 dev_err(cp->chan->mbox->dev, "convert to mapbit failed\n"); 210 211 return 0; 212 } 213 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
