[xilinx-xlnx:xlnx_rebase_v5.15_LTS_2022.1_update 835/1117] drivers/phy/xilinx/xilinx_dpgtquadphy.c:49:17: error: implicit declaration of function 'FIELD_PREP'

[kernel test robot]

Hi Jagadeesh,

FYI, the error/warning still remains.

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15_LTS_2022.1_update
head:   789b01147d793e5a6d1c794dd0a5879ccd61bd1d
commit: 0295958b5a214d82a0621379590f897cae5bf6cd [835/1117] phy: Add driver for GTQUAD BASE for Displayport
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220825/202208251358.C28YJdh5-lkp@intel.com/config)
compiler: alpha-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/Xilinx/linux-xlnx/commit/0295958b5a214d82a0621379590f897cae5bf6cd
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15_LTS_2022.1_update
        git checkout 0295958b5a214d82a0621379590f897cae5bf6cd
        # 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=alpha SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   drivers/phy/xilinx/xilinx_dpgtquadphy.c: In function 'xdpgtquad_init':
>> drivers/phy/xilinx/xilinx_dpgtquadphy.c:49:17: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
      49 |         data |= FIELD_PREP(GT_QUAD_BASE_CH1_CLK_DIV_MASK,
         |                 ^~~~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for DRM_PANEL_SIMPLE
   Depends on [n]: HAS_IOMEM [=y] && DRM [=y] && DRM_PANEL [=y] && OF [=y] && BACKLIGHT_CLASS_DEVICE [=y] && PM
   Selected by [y]:
   - DRM_XLNX_DSI [=y] && HAS_IOMEM [=y] && DRM_XLNX [=y]


vim +/FIELD_PREP +49 drivers/phy/xilinx/xilinx_dpgtquadphy.c

    34	
    35	static int xdpgtquad_init(struct phy *phy)
    36	{
    37		struct dpgtquadphy_dev *gtquad = phy_get_drvdata(phy);
    38		u32 data;
    39	
    40		/*
    41		 * Unlocking the NPI space so that GT CH1 divider value can be
    42		 * programmed. This will generate a /20 clk
    43		 */
    44		writel(GT_QUAD_BASE_CTL_VALUE,
    45		       gtquad->base + GT_QUAD_BASE_CTL);
    46	
    47		data = readl(gtquad->base + GT_QUAD_BASE_CH1_CLK_DIV_REG);
    48		data &= ~GT_QUAD_BASE_CH1_CLK_DIV_MASK;
  > 49		data |= FIELD_PREP(GT_QUAD_BASE_CH1_CLK_DIV_MASK,
    50				   GT_QUAD_BASE_CH1_CLK_DIV_VALUE);
    51		writel(data, gtquad->base + GT_QUAD_BASE_CH1_CLK_DIV_REG);
    52	
    53		return 0;
    54	}
    55	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp