linux-kernel - [asahilinux:asahi 37/158] drivers/clk/clk-apple-nco.c:139:16: error: implicit declaration of function 'FIELD

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Message-ID: <202203121139.Zs11G62M-lkp@intel.com>
Date:   Sat, 12 Mar 2022 11:09:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Martin Povišer <povik+lin@...ebit.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Hector Martin <marcan@...can.st>
Subject: [asahilinux:asahi 37/158] drivers/clk/clk-apple-nco.c:139:16: error:
 implicit declaration of function 'FIELD_PREP'

tree:   https://github.com/AsahiLinux/linux asahi
head:   a90a4472ece3167409168aab7c5010fe0eba8bb9
commit: 5e7b59cb6fe99a81dcedffcf5be74e9267b4d969 [37/158] clk: clk-apple-nco: Add driver for Apple NCO
config: h8300-allyesconfig (https://download.01.org/0day-ci/archive/20220312/202203121139.Zs11G62M-lkp@intel.com/config)
compiler: h8300-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/AsahiLinux/linux/commit/5e7b59cb6fe99a81dcedffcf5be74e9267b4d969
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux asahi
        git checkout 5e7b59cb6fe99a81dcedffcf5be74e9267b4d969
        # 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=h8300 SHELL=/bin/bash drivers/

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' [-Werror=implicit-function-declaration]
     147 |         coarse = tbl->inv[FIELD_GET(DIV_COARSE, regval)] + COARSE_DIV_OFFSET;
         |                           ^~~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for DRM_GEM_SHMEM_HELPER
   Depends on HAS_IOMEM && DRM && MMU
   Selected by
   - DRM_SSD130X && HAS_IOMEM && DRM


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	

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