[freescale-fslc:5.4-2.3.x-imx 15436/16543] drivers/soc/imx/soc-imx8.c:339:5: warning: no previous prototype for 'imx8mp_get_ldo_trim'

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

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tree:   https://github.com/Freescale/linux-fslc 5.4-2.3.x-imx
head:   a8a2b9ee4bec0b29d031324160b7f11af42a563a
commit: 53ecae250dd9e334787ede9eb40e0555b7fd0c00 [15436/16543] MLK-24911-1: soc: imx: Add support to get iMX8mp LDO trim fuse value
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-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/Freescale/linux-fslc/commit/53ecae250dd9e334787ede9eb40e0555b7fd0c00
        git remote add freescale-fslc https://github.com/Freescale/linux-fslc
        git fetch --no-tags freescale-fslc 5.4-2.3.x-imx
        git checkout 53ecae250dd9e334787ede9eb40e0555b7fd0c00
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

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/soc/imx/soc-imx8.c:324:5: warning: no previous prototype for 'check_m4_enabled' [-Wmissing-prototypes]
     324 | int check_m4_enabled(void)
         |     ^~~~~~~~~~~~~~~~
>> drivers/soc/imx/soc-imx8.c:339:5: warning: no previous prototype for 'imx8mp_get_ldo_trim' [-Wmissing-prototypes]
     339 | int imx8mp_get_ldo_trim(int ldo)
         |     ^~~~~~~~~~~~~~~~~~~


vim +/imx8mp_get_ldo_trim +339 drivers/soc/imx/soc-imx8.c

   338	
 > 339	int imx8mp_get_ldo_trim(int ldo)

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

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