Hi Pavana,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on sparc-next/master linux/master v5.10-rc1 next-20201026]
[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/Pavana-Sharma/Add-support-for-mv88e6393x-family-of-Marvell/20201026-140237
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3650b228f83adda7e5ee532e2b90429c03f7b9ec
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-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://github.com/0day-ci/linux/commit/6bac8985349e1ceedb3d4e9bba18563fb15613c0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Pavana-Sharma/Add-support-for-mv88e6393x-family-of-Marvell/20201026-140237
        git checkout 6bac8985349e1ceedb3d4e9bba18563fb15613c0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa 

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/net/dsa/mv88e6xxx/port.c:29:5: warning: no previous prototype for 'mv88e6xxx_port_wait_bit' [-Wmissing-prototypes]
      29 | int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/dsa/mv88e6xxx/port.c: In function 'mv88e6xxx_port_set_cmode':
   drivers/net/dsa/mv88e6xxx/port.c:513:7: error: 'PHY_INTERFACE_MODE_5GBASER' undeclared (first use in this function); did you mean 'PHY_INTERFACE_MODE_10GBASER'?
     513 |  case PHY_INTERFACE_MODE_5GBASER:
         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
         |       PHY_INTERFACE_MODE_10GBASER
   drivers/net/dsa/mv88e6xxx/port.c:513:7: note: each undeclared identifier is reported only once for each function it appears in

vim +/mv88e6xxx_port_wait_bit +29 drivers/net/dsa/mv88e6xxx/port.c

    28	
  > 29	int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
    30			int bit, int val)
    31	{
    32		int addr = chip->info->port_base_addr + port;
    33		return mv88e6xxx_wait_bit(chip, addr, reg, bit, val);
    34	}
    35	

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