linux-kernel - [l1k:rs485_fixes 2/5] drivers/tty/serial/8250/8250_alpha.c:6:6: warning: no previous prototype for 'alpha_jensen

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Date:   Sun, 26 Dec 2021 04:43:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lukas Wunner <lukas@...ner.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [l1k:rs485_fixes 2/5] drivers/tty/serial/8250/8250_alpha.c:6:6:
 warning: no previous prototype for 'alpha_jensen_machine'

tree:   https://github.com/l1k/linux rs485_fixes
head:   a62f8fcb06b22e357034ec7dc1835d5e54f62aee
commit: ede7cb8cc196acdc42e495e9805291b8d5190468 [2/5] serial: 8250: Move Alpha-specific quirk out of the core
config: alpha-defconfig (https://download.01.org/0day-ci/archive/20211226/202112260407.JHmHBph5-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.2.0
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/l1k/linux/commit/ede7cb8cc196acdc42e495e9805291b8d5190468
        git remote add l1k https://github.com/l1k/linux
        git fetch --no-tags l1k rs485_fixes
        git checkout ede7cb8cc196acdc42e495e9805291b8d5190468
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash drivers/tty/serial/8250/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/tty/serial/8250/8250_alpha.c:6:6: warning: no previous prototype for 'alpha_jensen_machine' [-Wmissing-prototypes]
       6 | bool alpha_jensen_machine(void)
         |      ^~~~~~~~~~~~~~~~~~~~
>> drivers/tty/serial/8250/8250_alpha.c:11:6: warning: no previous prototype for 'alpha_jensen_set_mctrl' [-Wmissing-prototypes]
      11 | void alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl)
         |      ^~~~~~~~~~~~~~~~~~~~~~


vim +/alpha_jensen_machine +6 drivers/tty/serial/8250/8250_alpha.c

     5	
   > 6	bool alpha_jensen_machine(void)
     7	{
     8		return !strcmp(alpha_mv.vector_name, "Jensen");
     9	}
    10	
  > 11	void alpha_jensen_set_mctrl(struct uart_port *port, unsigned int mctrl)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org