[asahilinux:bits/240-isp 64/67] drivers/media/platform/apple/avd/avd-inst.h:141:41: error: implicit declaration of function 'FIELD_PREP'

[asahilinux:bits/240-isp 64/67] drivers/media/platform/apple/avd/avd-inst.h:141:41: error: implicit declaration of function 'FIELD_PREP'

[kernel test robot]

tree:   https://github.com/AsahiLinux/linux bits/240-isp
head:   6b01d08e5d4d33d4a7cdfb1ecea6f78e295bfd75
commit: cbab401e27354c90eaa31798ca75eccfeb4b4d9c [64/67] media: apple: avd: define static values and bitmasks
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20260809/202608091532.mBFstVAm-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260809/202608091532.mBFstVAm-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/oe-kbuild-all/202608091532.mBFstVAm-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/media/platform/apple/avd/avd-h264.c:24:
   drivers/media/platform/apple/avd/avd-h264.c: In function 'stream_refs':
>> drivers/media/platform/apple/avd/avd-inst.h:141:41: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
     141 | #define AVD_REF_NUM(v)                  FIELD_PREP(GENMASK(31, 28), v)
         |                                         ^~~~~~~~~~
   drivers/media/platform/apple/avd/avd-inst.h:195:41: note: in definition of macro 'push'
     195 | #define push(inst, name) push(avd, ctx, inst)
         |                                         ^~~~
   drivers/media/platform/apple/avd/avd-h264.c:127:22: note: in expansion of macro 'AVD_REF_NUM'
     127 |                 push(AVD_REF_NUM(run->num_valid - 1)
         |                      ^~~~~~~~~~~
--
   In file included from drivers/media/platform/apple/avd/avd-hevc.c:25:
   drivers/media/platform/apple/avd/avd-hevc.c: In function 'stream_refs':
>> drivers/media/platform/apple/avd/avd-inst.h:141:41: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
     141 | #define AVD_REF_NUM(v)                  FIELD_PREP(GENMASK(31, 28), v)
         |                                         ^~~~~~~~~~
   drivers/media/platform/apple/avd/avd-inst.h:195:41: note: in definition of macro 'push'
     195 | #define push(inst, name) push(avd, ctx, inst)
         |                                         ^~~~
   drivers/media/platform/apple/avd/avd-hevc.c:125:22: note: in expansion of macro 'AVD_REF_NUM'
     125 |                 push(AVD_REF_NUM(decode->num_active_dpb_entries - 1)
         |                      ^~~~~~~~~~~


vim +/FIELD_PREP +141 drivers/media/platform/apple/avd/avd-inst.h

   140	
 > 141	#define AVD_REF_NUM(v)			FIELD_PREP(GENMASK(31, 28), v)
   142	#define AVD_REF_FLAG_CONST		FIELD_PREP(BIT(24), 1)
   143	#define AVD_REF_FLAG_LONG(v)		FIELD_PREP(BIT(17), !!(v))
   144	#define AVD_REF_DELTA_POC(v)		FIELD_PREP(GENMASK(16, 0), v)
   145	

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