Hi Baolin, Thank you for the patch! Yet something to improve:
[auto build test ERROR on power-supply/for-next] [also build test ERROR on v4.16-rc2 next-20180223] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Baolin-Wang/power-reset-Add-Spreadtrum-SC27xx-PMIC-power-off-support/20180224-195742 base: https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next config: tile-allmodconfig (attached as .config) compiler: tilegx-linux-gcc (GCC) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=tile All errors (new ones prefixed by >>): drivers/power/reset/sc27xx-poweroff.c: In function 'sc27xx_poweroff_shutdown': >> drivers/power/reset/sc27xx-poweroff.c:32:2: error: implicit declaration of >> function 'freeze_secondary_cpus'; did you mean 'online_secondary'? >> [-Werror=implicit-function-declaration] freeze_secondary_cpus(cpu); ^~~~~~~~~~~~~~~~~~~~~ online_secondary cc1: some warnings being treated as errors vim +32 drivers/power/reset/sc27xx-poweroff.c 18 19 /* 20 * On Spreadtrum platform, we need power off system through external SC27xx 21 * series PMICs, and it is one similar SPI bus mapped by regmap to access PMIC, 22 * which is not fast io access. 23 * 24 * So before stopping other cores, we need release other cores' resource by 25 * taking cpus down to avoid racing regmap or spi mutex lock when poweroff 26 * system through PMIC. 27 */ 28 void sc27xx_poweroff_shutdown(void) 29 { 30 int cpu = smp_processor_id(); 31 > 32 freeze_secondary_cpus(cpu); 33 } 34 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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