[PATCH 05/18] tty: serial: samsung_tty: add support for Apple UARTs

[kernel test robot]

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 at intel.com>

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@lists.01.org
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