[tty:tty-testing 218/218] drivers/tty/serial/serial_cortina-access.c:76:27: warning: no previous prototype for 'cortina_uart_get_port'

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 1997 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
head:   b61c8bf4694b5115766849378dcb8787ff54e65e
commit: b61c8bf4694b5115766849378dcb8787ff54e65e [218/218] tty: serial: Add UART driver for Cortina-Access platform
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-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://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?id=b61c8bf4694b5115766849378dcb8787ff54e65e
        git remote add tty https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
        git fetch --no-tags tty tty-testing
        git checkout b61c8bf4694b5115766849378dcb8787ff54e65e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

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

All warnings (new ones prefixed by >>):

>> drivers/tty/serial/serial_cortina-access.c:76:27: warning: no previous prototype for 'cortina_uart_get_port' [-Wmissing-prototypes]
      76 | struct cortina_uart_port *cortina_uart_get_port(unsigned int index)
         |                           ^~~~~~~~~~~~~~~~~~~~~


vim +/cortina_uart_get_port +76 drivers/tty/serial/serial_cortina-access.c

    74	
    75	/* Return uart_port pointer base on index */
  > 76	struct cortina_uart_port *cortina_uart_get_port(unsigned int index)
    77	{
    78		struct cortina_uart_port *pca_port = cortina_uart_ports;
    79	
    80		if (index >= UART_NR) {
    81			/* return 1st element if invalid index */
    82			index = 0;
    83		}
    84	
    85		pca_port += index;
    86	
    87		return pca_port;
    88	}
    89	

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 60476 bytes --]