Re: [PATCH v1 2/2] spi: add support for Meson A1 SPI Flash Controller

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

Hi Martin,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on broonie-spi/for-next]
[also build test ERROR on robh/for-next krzk-dt/for-next linus/master v6.3-rc3 next-20230322]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Martin-Kurbanov/dt-bindings-spi-add-binding-for-meson-spifc-a1/20230322-230744
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
patch link:    https://lore.kernel.org/r/20230322150458.783901-3-mmkurbanov%40sberdevices.ru
patch subject: [PATCH v1 2/2] spi: add support for Meson A1 SPI Flash Controller
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230323/202303230442.lGIrV8PZ-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/7d8d54cc0b563efb979caf17507b29c0bb3efde0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Martin-Kurbanov/dt-bindings-spi-add-binding-for-meson-spifc-a1/20230322-230744
        git checkout 7d8d54cc0b563efb979caf17507b29c0bb3efde0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303230442.lGIrV8PZ-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/spi/spi-meson-spifc-a1.c: In function 'a1_spifc_read':
>> drivers/spi/spi-meson-spifc-a1.c:204:16: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
     204 |         val |= FIELD_PREP(A1_SPIFC_USER_DIN_MODE, mode);
         |                ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/FIELD_PREP +204 drivers/spi/spi-meson-spifc-a1.c

   196	
   197	static int a1_spifc_read(struct a1_spifc *spifc, void *buf, u32 size, u32 mode)
   198	{
   199		u32 val = readl(spifc->base + A1_SPIFC_USER_CTRL3_REG);
   200		int ret;
   201	
   202		val &= ~(A1_SPIFC_USER_DIN_MODE | A1_SPIFC_USER_DIN_BYTES);
   203		val |= A1_SPIFC_USER_DIN_ENABLE;
 > 204		val |= FIELD_PREP(A1_SPIFC_USER_DIN_MODE, mode);
   205		val |= FIELD_PREP(A1_SPIFC_USER_DIN_BYTES, size);
   206		writel(val, spifc->base + A1_SPIFC_USER_CTRL3_REG);
   207	
   208		ret = a1_spifc_request(spifc, true);
   209		if (!ret)
   210			a1_spifc_drain_buffer(spifc, buf, size);
   211	
   212		return ret;
   213	}
   214	

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