Hi Hector, I love your patch! Perhaps something to improve: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on robh/for-next linus/master v5.11-rc6 next-20210125] [cannot apply to tip/irq/core] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Hector-Martin/Apple-M1-SoC-platform-bring-up/20210205-045228 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/c3bf64138f141e20577083d30e0542004c194a20 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hector-Martin/Apple-M1-SoC-platform-bring-up/20210205-045228 git checkout c3bf64138f141e20577083d30e0542004c194a20 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/tty/serial/samsung_tty.c:60: warning: "NO_IRQ" redefined 60 | #define NO_IRQ -1 | In file included from arch/arm/include/asm/hardirq.h:5, from include/linux/hardirq.h:10, from include/linux/interrupt.h:11, from include/linux/serial_core.h:13, from drivers/tty/serial/samsung_tty.c:36: arch/arm/include/asm/irq.h:22: note: this is the location of the previous definition 22 | #define NO_IRQ ((unsigned int)(-1)) | drivers/tty/serial/samsung_tty.c: In function 's3c24xx_serial_resume_noirq': drivers/tty/serial/samsung_tty.c:2309:4: error: a label can only be part of a statement and a declaration is not a statement 2309 | unsigned int ucon; | ^~~~~~~~ drivers/tty/serial/samsung_tty.c:2334:4: error: a label can only be part of a statement and a declaration is not a statement 2334 | unsigned int uintm = 0xf; | ^~~~~~~~ vim +/NO_IRQ +60 drivers/tty/serial/samsung_tty.c 58 59 /* IRQ number used when the handler is called in non-IRQ context */ > 60 #define NO_IRQ -1 61 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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