Hi Quan, I love your patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on wsa/i2c/for-next ipmi/for-next v5.12-rc5 next-20210329] [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/Quan-Nguyen/Add-Aspeed-SSIF-BMC-driver/20210329-202143 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git d72260cc7879c72c186900e7c153007a6137ed8e config: arc-randconfig-r024-20210330 (attached as .config) compiler: arceb-elf-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/c640bd37ce66eb1364922be61ac3a46108952438 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Quan-Nguyen/Add-Aspeed-SSIF-BMC-driver/20210329-202143 git checkout c640bd37ce66eb1364922be61ac3a46108952438 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): arceb-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks': stackdepot.c:(.text+0x3a): undefined reference to `__irqentry_text_start' arceb-elf-ld: stackdepot.c:(.text+0x3a): undefined reference to `__irqentry_text_start' arceb-elf-ld: stackdepot.c:(.text+0x5a): undefined reference to `__irqentry_text_end' arceb-elf-ld: stackdepot.c:(.text+0x5a): undefined reference to `__irqentry_text_end' arceb-elf-ld: stackdepot.c:(.text+0x62): undefined reference to `__softirqentry_text_start' arceb-elf-ld: stackdepot.c:(.text+0x62): undefined reference to `__softirqentry_text_start' arceb-elf-ld: stackdepot.c:(.text+0x6a): undefined reference to `__softirqentry_text_end' arceb-elf-ld: stackdepot.c:(.text+0x6a): undefined reference to `__softirqentry_text_end' arceb-elf-ld: drivers/char/ipmi/ssif_bmc.o: in function `ssif_bmc_alloc': >> ssif_bmc.c:(.text+0x51e): undefined reference to `i2c_slave_register' >> arceb-elf-ld: ssif_bmc.c:(.text+0x51e): undefined reference to `i2c_slave_register' arceb-elf-ld: drivers/char/ipmi/ssif_bmc.o: in function `ssif_bmc_cb': >> ssif_bmc.c:(.text+0x6b8): undefined reference to `i2c_smbus_pec' >> arceb-elf-ld: ssif_bmc.c:(.text+0x6b8): undefined reference to `i2c_smbus_pec' arceb-elf-ld: ssif_bmc.c:(.text+0x6c2): undefined reference to `i2c_smbus_pec' arceb-elf-ld: ssif_bmc.c:(.text+0x6c2): undefined reference to `i2c_smbus_pec' arceb-elf-ld: ssif_bmc.c:(.text+0x6d6): undefined reference to `i2c_smbus_pec' arceb-elf-ld: drivers/char/ipmi/ssif_bmc.o:ssif_bmc.c:(.text+0x6d6): more undefined references to `i2c_smbus_pec' follow -- >> drivers/char/ipmi/ssif_bmc_aspeed.c:41:6: warning: no previous prototype for 'aspeed_i2c_enable_interrupt' [-Wmissing-prototypes] 41 | void aspeed_i2c_enable_interrupt(struct aspeed_i2c_bus *bus, unsigned long mask) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/char/ipmi/ssif_bmc_aspeed.c:49:6: warning: no previous prototype for 'aspeed_i2c_disable_interrupt' [-Wmissing-prototypes] 49 | void aspeed_i2c_disable_interrupt(struct aspeed_i2c_bus *bus, unsigned long mask) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/char/ipmi/ssif_bmc_aspeed.c:57:6: warning: no previous prototype for 'aspeed_set_ssif_bmc_status' [-Wmissing-prototypes] 57 | void aspeed_set_ssif_bmc_status(struct ssif_bmc_ctx *ssif_bmc, unsigned int status) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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