arch/arm/mach-ep93xx/ts72xx.c:154:13: error: no previous prototype for function 'ts72xx_register_flash'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b81b1829e7e39f6cebdf6e4d5484eacbceda8554
commit: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 ep93xx: clock: convert in-place to COMMON_CLK
date:   4 months ago
config: arm-randconfig-r004-20220213 (https://download.01.org/0day-ci/archive/20220214/202202140141.HRZ3WZwi-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ea071884b0cc7210b3cc5fe858f0e892a779a23b)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9645ccc7bd7a16cd73c3be9dee70cd702b03be37
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 9645ccc7bd7a16cd73c3be9dee70cd702b03be37
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-ep93xx/ drivers/hsi/controllers/

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

All errors (new ones prefixed by >>):

>> arch/arm/mach-ep93xx/ts72xx.c:154:13: error: no previous prototype for function 'ts72xx_register_flash' [-Werror,-Wmissing-prototypes]
   void __init ts72xx_register_flash(struct mtd_partition *parts, int n,
               ^
   arch/arm/mach-ep93xx/ts72xx.c:154:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void __init ts72xx_register_flash(struct mtd_partition *parts, int n,
   ^
   static 
   1 error generated.
--
>> drivers/hsi/controllers/omap_ssi_core.c:147:6: error: no previous prototype for function 'ssi_waketest' [-Werror,-Wmissing-prototypes]
   void ssi_waketest(struct hsi_client *cl, unsigned int enable)
        ^
   drivers/hsi/controllers/omap_ssi_core.c:147:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void ssi_waketest(struct hsi_client *cl, unsigned int enable)
   ^
   static 
   1 error generated.
--
>> drivers/hsi/controllers/omap_ssi_port.c:463:6: error: variable 'val' set but not used [-Werror,-Wunused-but-set-variable]
           u32 val;
               ^
>> drivers/hsi/controllers/omap_ssi_port.c:1325:6: error: variable 'mode' set but not used [-Werror,-Wunused-but-set-variable]
           u32 mode;
               ^
   2 errors generated.


vim +/ts72xx_register_flash +154 arch/arm/mach-ep93xx/ts72xx.c

030d2dd450a628 H Hartley Sweeten 2010-01-05  153  
d6d76745f4d921 Lukasz Majewski   2017-12-12 @154  void __init ts72xx_register_flash(struct mtd_partition *parts, int n,
d6d76745f4d921 Lukasz Majewski   2017-12-12  155  				  resource_size_t start)
3174c88af4b6b2 Hartley Sweeten   2009-07-20  156  {
16bcf78f8cac9c Hartley Sweeten   2010-06-10  157  	/*
16bcf78f8cac9c Hartley Sweeten   2010-06-10  158  	 * TS7200 has NOR flash all other TS72xx board have NAND flash.
16bcf78f8cac9c Hartley Sweeten   2010-06-10  159  	 */
030d2dd450a628 H Hartley Sweeten 2010-01-05  160  	if (board_is_ts7200()) {
16bcf78f8cac9c Hartley Sweeten   2010-06-10  161  		ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
030d2dd450a628 H Hartley Sweeten 2010-01-05  162  	} else {
030d2dd450a628 H Hartley Sweeten 2010-01-05  163  		ts72xx_nand_resource[0].start = start;
030d2dd450a628 H Hartley Sweeten 2010-01-05  164  		ts72xx_nand_resource[0].end = start + SZ_16M - 1;
030d2dd450a628 H Hartley Sweeten 2010-01-05  165  
d6d76745f4d921 Lukasz Majewski   2017-12-12  166  		ts72xx_nand_data.chip.partitions = parts;
d6d76745f4d921 Lukasz Majewski   2017-12-12  167  		ts72xx_nand_data.chip.nr_partitions = n;
d6d76745f4d921 Lukasz Majewski   2017-12-12  168  
030d2dd450a628 H Hartley Sweeten 2010-01-05  169  		platform_device_register(&ts72xx_nand_flash);
030d2dd450a628 H Hartley Sweeten 2010-01-05  170  	}
3174c88af4b6b2 Hartley Sweeten   2009-07-20  171  }
3174c88af4b6b2 Hartley Sweeten   2009-07-20  172  

:::::: The code at line 154 was first introduced by commit
:::::: d6d76745f4d921ba8c58d72259b9383ee5b67b28 ARM: ep93xx: ts72xx: Rewrite ts72xx_register_flash() to accept parameters

:::::: TO: Lukasz Majewski <lukma@xxxxxxx>
:::::: CC: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>

---
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