drivers/net/dsa/yt921x.c:1601:9: error: call to '__compiletime_assert_1192' declared with 'error' attribute: FIELD_PREP: value too large for the field

drivers/net/dsa/yt921x.c:1601:9: error: call to '__compiletime_assert_1192' declared with 'error' attribute: FIELD_PREP: value too large for the field

[kernel test robot]

:::::: 
:::::: Manual check reason: "__compiletime_assert_NNN"
:::::: 

BCC: lkp@intel.com
CC: llvm@lists.linux.dev
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: David Yang <mmyangfl@gmail.com>
CC: Jakub Kicinski <kuba@kernel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c107785c7e8dbabd1c18301a1c362544b5786282
commit: 186623f4aa724c46cbb4dbd5235cf6942215f5b5 net: dsa: yt921x: Add support for Motorcomm YT921x
date:   5 months ago
:::::: branch date: 20 hours ago
:::::: commit date: 5 months ago
config: s390-randconfig-001-20260306 (https://download.01.org/0day-ci/archive/20260306/202603060331.tsFdvPCv-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603060331.tsFdvPCv-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202603060331.tsFdvPCv-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/dsa/yt921x.c:1601:9: error: call to '__compiletime_assert_1192' declared with 'error' attribute: FIELD_PREP: value too large for the field
    1601 |         ctrl = YT921X_PORT_VLAN_CTRL_CVID(vid);
         |                ^
   drivers/net/dsa/yt921x.h:363:43: note: expanded from macro 'YT921X_PORT_VLAN_CTRL_CVID'
     363 | #define   YT921X_PORT_VLAN_CTRL_CVID(x)                 FIELD_PREP(YT921X_PORT_VLAN_CTRL_CVID_M, (x))
         |                                                         ^
   include/linux/bitfield.h:115:3: note: expanded from macro 'FIELD_PREP'
     115 |                 __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: ");    \
         |                 ^
   include/linux/bitfield.h:68:3: note: expanded from macro '__BF_FIELD_CHECK'
      68 |                 BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?           \
         |                 ^
   note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:585:2: note: expanded from macro '_compiletime_assert'
     585 |         __compiletime_assert(condition, msg, prefix, suffix)
         |         ^
   include/linux/compiler_types.h:578:4: note: expanded from macro '__compiletime_assert'
     578 |                         prefix ## suffix();                             \
         |                         ^
   <scratch space>:46:1: note: expanded from here
      46 | __compiletime_assert_1192
         | ^
   1 error generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for OF_GPIO
   Depends on [n]: GPIOLIB [=y] && OF [=y] && HAS_IOMEM [=n]
   Selected by [y]:
   - REGULATOR_RT5133 [=y] && REGULATOR [=y] && I2C [=y] && GPIOLIB [=y] && OF [=y]


vim +1601 drivers/net/dsa/yt921x.c

186623f4aa724c4 David Yang 2025-10-17  1593  
186623f4aa724c4 David Yang 2025-10-17  1594  static int
186623f4aa724c4 David Yang 2025-10-17  1595  yt921x_port_set_pvid(struct yt921x_priv *priv, int port, u16 vid)
186623f4aa724c4 David Yang 2025-10-17  1596  {
186623f4aa724c4 David Yang 2025-10-17  1597  	u32 mask;
186623f4aa724c4 David Yang 2025-10-17  1598  	u32 ctrl;
186623f4aa724c4 David Yang 2025-10-17  1599  
186623f4aa724c4 David Yang 2025-10-17  1600  	mask = YT921X_PORT_VLAN_CTRL_CVID_M;
186623f4aa724c4 David Yang 2025-10-17 @1601  	ctrl = YT921X_PORT_VLAN_CTRL_CVID(vid);
186623f4aa724c4 David Yang 2025-10-17  1602  	return yt921x_reg_update_bits(priv, YT921X_PORTn_VLAN_CTRL(port),
186623f4aa724c4 David Yang 2025-10-17  1603  				      mask, ctrl);
186623f4aa724c4 David Yang 2025-10-17  1604  }
186623f4aa724c4 David Yang 2025-10-17  1605  

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