tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19 head: 3583b0f74632e49a69d7af4bbdf44d8cdb4b2d59 commit: 24f9cfbc3921d4f2ded2adcc5e55160191d60958 [3/4] CHROMIUM: soc: cmdq: mediatek: add debug function config: alpha-allyesconfig (attached as .config) compiler: alpha-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 git checkout 24f9cfbc3921d4f2ded2adcc5e55160191d60958 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 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 >>, old ones prefixed by <<): In file included from arch/alpha/include/asm/bug.h:23, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/preempt.h:5, from ./arch/alpha/include/generated/asm/preempt.h:1, from include/linux/preempt.h:81, from include/linux/spinlock.h:51, from include/linux/wait.h:9, from include/linux/completion.h:12, from drivers/soc/mediatek/mtk-cmdq-helper.c:5: drivers/soc/mediatek/mtk-cmdq-helper.c: In function 'cmdq_client_timeout': 62 | WARN_ONCE(1, "cmdq timeout!n", client->client.dev); | ^~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:102:69: note: in definition of macro '__WARN_printf' 102 | #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) | ^~~ include/asm-generic/bug.h:166:3: note: in expansion of macro 'WARN' 166 | WARN(1, format); | ^~~~ 62 | WARN_ONCE(1, "cmdq timeout!n", client->client.dev); | ^~~~~~~~~ -- 28 | void cmdq_buf_print_write(struct device *dev, u32 offset, | ^~~~~~~~~~~~~~~~~~~~ 46 | void cmdq_buf_print_mask(struct device *dev, u32 offset, | ^~~~~~~~~~~~~~~~~~~ 52 | void cmdq_buf_print_misc(struct device *dev, u32 offset, | ^~~~~~~~~~~~~~~~~~~ vim +62 drivers/soc/mediatek/mtk-cmdq-helper.c 57 58 static void cmdq_client_timeout(struct timer_list *t) 59 { 60 struct cmdq_client *client = from_timer(client, t, timer); 61 63 #ifdef CONFIG_MTK_CMDQ_DEBUG 64 mbox_free_channel(client->chan); 65 #endif 66 } 67 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org