linux-kernel - Re: [PATCH 14/15] tty: serial: Add Nuvoton ma35d1 serial driver support

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Date:   Wed, 15 Mar 2023 17:48:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jacky Huang <ychuang570808@...il.com>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, lee@...nel.org,
        mturquette@...libre.com, sboyd@...nel.org, p.zabel@...gutronix.de,
        gregkh@...uxfoundation.org, jirislaby@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, schung@...oton.com,
        Jacky Huang <ychuang3@...oton.com>
Subject: Re: [PATCH 14/15] tty: serial: Add Nuvoton ma35d1 serial driver
 support

Hi Jacky,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on clk/clk-next tty/tty-testing tty/tty-next tty/tty-linus linus/master v6.3-rc2 next-20230315]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jacky-Huang/arm64-Kconfig-platforms-Add-config-for-Nuvoton-MA35-platform/20230315-153355
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20230315072902.9298-15-ychuang570808%40gmail.com
patch subject: [PATCH 14/15] tty: serial: Add Nuvoton ma35d1 serial driver support
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230315/202303151754.XvPyacT7-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/064028d2f2d911398012103aef3ce8666342ddfc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jacky-Huang/arm64-Kconfig-platforms-Add-config-for-Nuvoton-MA35-platform/20230315-153355
        git checkout 064028d2f2d911398012103aef3ce8666342ddfc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/tty/serial/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303151754.XvPyacT7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/tty/serial/ma35d1_serial.c:672:6: warning: no previous prototype for 'ma35d1serial_suspend_port' [-Wmissing-prototypes]
     672 | void ma35d1serial_suspend_port(int line)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/tty/serial/ma35d1_serial.c:681:6: warning: no previous prototype for 'ma35d1serial_resume_port' [-Wmissing-prototypes]
     681 | void ma35d1serial_resume_port(int line)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
--
>> drivers/tty/serial/ma35d1_serial.c:670: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    *  Suspend one serial port.
   drivers/tty/serial/ma35d1_serial.c:679: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    *  Resume one serial port.


vim +/ma35d1serial_suspend_port +672 drivers/tty/serial/ma35d1_serial.c

   668	
   669	/**
 > 670	 *  Suspend one serial port.
   671	 */
 > 672	void ma35d1serial_suspend_port(int line)
   673	{
   674		uart_suspend_port(&ma35d1serial_reg, &ma35d1serial_ports[line].port);
   675	}
   676	EXPORT_SYMBOL(ma35d1serial_suspend_port);
   677	
   678	/**
   679	 *  Resume one serial port.
   680	 */
 > 681	void ma35d1serial_resume_port(int line)
   682	{
   683		struct uart_ma35d1_port *up = &ma35d1serial_ports[line];
   684	
   685		uart_resume_port(&ma35d1serial_reg, &up->port);
   686	}
   687	EXPORT_SYMBOL(ma35d1serial_resume_port);
   688	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests