Hi Richard, [auto build test WARNING on abelloni/rtc-next] [also build test WARNING on v4.8-rc5 next-20160907] [cannot apply to tty/tty-testing] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information]
url: https://github.com/0day-ci/linux/commits/Richard-Genoud/serial-mctrl_gpio-implement-mctrl_gpio_use_rtscts/20160908-002703 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next config: sh-titan_defconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All warnings (new ones prefixed by >>): In file included from drivers/tty/serial/sh-sci.c:60:0: drivers/tty/serial/serial_mctrl_gpio.h: In function 'mctrl_gpio_use_rtscts': >> drivers/tty/serial/serial_mctrl_gpio.h:162:1: warning: no return statement >> in function returning non-void [-Wreturn-type] } ^ vim +162 drivers/tty/serial/serial_mctrl_gpio.h 146 147 static inline 148 void mctrl_gpio_free(struct device *dev, struct mctrl_gpios *gpios) 149 { 150 } 151 152 static inline void mctrl_gpio_enable_ms(struct mctrl_gpios *gpios) 153 { 154 } 155 156 static inline void mctrl_gpio_disable_ms(struct mctrl_gpios *gpios) 157 { 158 } 159 160 static inline bool mctrl_gpio_use_rtscts(struct mctrl_gpios *gpios) 161 { > 162 } 163 164 #endif /* GPIOLIB */ 165 166 #endif --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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