Hi Long, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.20-rc5 next-20181207] [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/Long-Cheng/add-uart-DMA-function/20181208-201933 config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 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 GCC_VERSION=7.2.0 make.cross ARCH=sh All errors (new ones prefixed by >>): In file included from include/linux/device.h:23:0, from include/linux/dmaengine.h:20, from drivers/dma/mediatek/8250_mtk_dma.c:10: >> drivers/dma/mediatek/8250_mtk_dma.c:828:21: error: 'mtk_dma_runtime_suspend' undeclared here (not in a function); did you mean '__pm_runtime_suspend'? SET_RUNTIME_PM_OPS(mtk_dma_runtime_suspend, ^ include/linux/pm.h:354:21: note: in definition of macro 'SET_RUNTIME_PM_OPS' .runtime_suspend = suspend_fn, \ ^~~~~~~~~~ >> drivers/dma/mediatek/8250_mtk_dma.c:829:7: error: 'mtk_dma_runtime_resume' undeclared here (not in a function); did you mean 'mtk_dma_device_resume'? mtk_dma_runtime_resume, NULL) ^ include/linux/pm.h:355:20: note: in definition of macro 'SET_RUNTIME_PM_OPS' .runtime_resume = resume_fn, \ ^~~~~~~~~ drivers/dma/mediatek/8250_mtk_dma.c:164:13: warning: 'mtk_dma_clk_disable' defined but not used [-Wunused-function] static void mtk_dma_clk_disable(struct mtk_dmadev *mtkd) ^~~~~~~~~~~~~~~~~~~ drivers/dma/mediatek/8250_mtk_dma.c:151:12: warning: 'mtk_dma_clk_enable' defined but not used [-Wunused-function] static int mtk_dma_clk_enable(struct mtk_dmadev *mtkd) ^~~~~~~~~~~~~~~~~~ vim +828 drivers/dma/mediatek/8250_mtk_dma.c 825 826 static const struct dev_pm_ops mtk_dma_pm_ops = { 827 SET_SYSTEM_SLEEP_PM_OPS(mtk_dma_suspend, mtk_dma_resume) > 828 SET_RUNTIME_PM_OPS(mtk_dma_runtime_suspend, > 829 mtk_dma_runtime_resume, NULL) 830 }; 831 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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