linux-kernel - [ammarfaizi2-block:axboe/linux-block/m1/2022-03-01 255/355] drivers/clk/clk-apple-nco.c:139:16: error: implicit declaration of function 'FIELD

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Date:   Wed, 2 Mar 2022 10:51:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Martin Povišer <povik+lin@...ebit.org>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>
Subject: [ammarfaizi2-block:axboe/linux-block/m1/2022-03-01 255/355]
 drivers/clk/clk-apple-nco.c:139:16: error: implicit declaration of function
 'FIELD_PREP'

tree:   https://github.com/ammarfaizi2/linux-block axboe/linux-block/m1/2022-03-01
head:   d7cc9472c1c5430d7caa806e8180d2359ea46266
commit: 64fbe30aba627660bfb6947d960bdd180830d322 [255/355] clk: clk-apple-nco: Add driver for Apple NCO
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220302/202203020738.Na1cRAnn-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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/ammarfaizi2/linux-block/commit/64fbe30aba627660bfb6947d960bdd180830d322
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block axboe/linux-block/m1/2022-03-01
        git checkout 64fbe30aba627660bfb6947d960bdd180830d322
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/clk/ drivers/dma/ drivers/platform/ sound/soc/

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

All errors (new ones prefixed by >>):

   drivers/clk/clk-apple-nco.c: In function 'applnco_div_translate':
>> drivers/clk/clk-apple-nco.c:139:16: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
     139 |         return FIELD_PREP(DIV_COARSE, tbl->fwd[coarse - COARSE_DIV_OFFSET]) |
         |                ^~~~~~~~~~
   drivers/clk/clk-apple-nco.c: In function 'applnco_div_translate_inv':
>> drivers/clk/clk-apple-nco.c:147:27: error: implicit declaration of function 'FIELD_GET'; did you mean 'FOLL_GET'? [-Werror=implicit-function-declaration]
     147 |         coarse = tbl->inv[FIELD_GET(DIV_COARSE, regval)] + COARSE_DIV_OFFSET;
         |                           ^~~~~~~~~
         |                           FOLL_GET
   cc1: some warnings being treated as errors


vim +/FIELD_PREP +139 drivers/clk/clk-apple-nco.c

   131	
   132	static u32 applnco_div_translate(struct applnco_tables *tbl, unsigned int div)
   133	{
   134		unsigned int coarse = div / 4;
   135	
   136		if (WARN_ON(applnco_div_out_of_range(div)))
   137			return 0;
   138	
 > 139		return FIELD_PREP(DIV_COARSE, tbl->fwd[coarse - COARSE_DIV_OFFSET]) |
   140				FIELD_PREP(DIV_FINE, div % 4);
   141	}
   142	
   143	static unsigned int applnco_div_translate_inv(struct applnco_tables *tbl, u32 regval)
   144	{
   145		unsigned int coarse, fine;
   146	
 > 147		coarse = tbl->inv[FIELD_GET(DIV_COARSE, regval)] + COARSE_DIV_OFFSET;
   148		fine = FIELD_GET(DIV_FINE, regval);
   149	
   150		return coarse * 4 + fine;
   151	}
   152	

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