Re: [PATCH net-next 1/2] net: dsa: mv88e6xxx: Add LED infrastructure

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

Hi Tobias,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Tobias-Waldekranz/net-dsa-mv88e6xxx-Add-LED-infrastructure/20240103-183726
base:   net-next/main
patch link:    https://lore.kernel.org/r/20240103103351.1188835-2-tobias%40waldekranz.com
patch subject: [PATCH net-next 1/2] net: dsa: mv88e6xxx: Add LED infrastructure
config: arm64-randconfig-001-20240104 (https://download.01.org/0day-ci/archive/20240104/202401040647.fVDMN6wS-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240104/202401040647.fVDMN6wS-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401040647.fVDMN6wS-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/dsa/mv88e6xxx/leds.c:171:5: warning: no previous prototype for 'mv88e6xxx_port_setup_leds' [-Wmissing-prototypes]
     171 | int mv88e6xxx_port_setup_leds(struct dsa_switch *ds, int port)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~


vim +/mv88e6xxx_port_setup_leds +171 drivers/net/dsa/mv88e6xxx/leds.c

   170	
 > 171	int mv88e6xxx_port_setup_leds(struct dsa_switch *ds, int port)

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