Hi Pierre-Yves, I love your patch! Yet something to improve: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on v4.20-rc2 next-20181116] [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/Pierre-Yves-MORDRET/SYSCFG-Fast-Mode-Plus-support-for-I2C-STM32F7/20181118-135056 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 8.1.0 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=8.1.0 make.cross ARCH=xtensa All errors (new ones prefixed by >>): drivers/i2c//busses/i2c-stm32f7.c: In function 'stm32f7_i2c_setup_fm_plus_bits': >> drivers/i2c//busses/i2c-stm32f7.c:1790:9: error: implicit declaration of function 'regmap_update_bits'; did you mean 'file_update_time'? [-Werror=implicit-function-declaration] return regmap_update_bits(i2c_dev->regmap, reg, mask, mask); ^~~~~~~~~~~~~~~~~~ file_update_time cc1: some warnings being treated as errors vim +1790 drivers/i2c//busses/i2c-stm32f7.c 1768 1769 static int stm32f7_i2c_setup_fm_plus_bits(struct platform_device *pdev, 1770 struct stm32f7_i2c_dev *i2c_dev) 1771 { 1772 struct device_node *np = pdev->dev.of_node; 1773 int ret; 1774 u32 reg, mask; 1775 1776 i2c_dev->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg-fmp"); 1777 if (IS_ERR(i2c_dev->regmap)) { 1778 /* Optional */ 1779 return 0; 1780 } 1781 1782 ret = of_property_read_u32_index(np, "st,syscfg-fmp", 1, ®); 1783 if (ret) 1784 return ret; 1785 1786 ret = of_property_read_u32_index(np, "st,syscfg-fmp", 2, &mask); 1787 if (ret) 1788 return ret; 1789 > 1790 return regmap_update_bits(i2c_dev->regmap, reg, mask, mask); 1791 } 1792 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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