Hi Clark, Thank you for the patch! Yet something to improve: [auto build test ERROR on spi/for-next] [also build test ERROR on next-20181019] [cannot apply to v4.19] [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/Clark-Wang/spi-lpspi-Add-slave-mode-support-for-imx7ulp/20181024-125200 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/spi/spi-fsl-lpspi.c: In function 'fsl_lpspi_transfer_one': drivers/spi/spi-fsl-lpspi.c:399:8: error: implicit declaration of function 'fsl_lpspi_txfifo_empty'; did you mean 'fsl_lpspi_set_cmd'? [-Werror=implicit-function-declaration] ret = fsl_lpspi_txfifo_empty(fsl_lpspi); ^~~~~~~~~~~~~~~~~~~~~~ fsl_lpspi_set_cmd drivers/spi/spi-fsl-lpspi.c: In function 'fsl_lpspi_suspend': drivers/spi/spi-fsl-lpspi.c:622:2: error: implicit declaration of function 'pinctrl_pm_select_sleep_state' [-Werror=implicit-function-declaration] pinctrl_pm_select_sleep_state(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/spi/spi-fsl-lpspi.c: In function 'fsl_lpspi_resume': >> drivers/spi/spi-fsl-lpspi.c:637:2: error: implicit declaration of function 'pinctrl_pm_select_default_state' [-Werror=implicit-function-declaration] pinctrl_pm_select_default_state(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/pinctrl_pm_select_default_state +637 drivers/spi/spi-fsl-lpspi.c 626 627 static int fsl_lpspi_resume(struct device *dev) 628 { 629 int ret; 630 631 ret = pm_runtime_force_resume(dev); 632 if (ret) { 633 dev_err(dev, "Error in resume: %d\n", ret); 634 return ret; 635 } 636 > 637 pinctrl_pm_select_default_state(dev); 638 639 return 0; 640 } 641 #endif /* CONFIG_PM_SLEEP */ 642 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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