Re: [PATCH 2/2] watchdog: renesas_wwdt: add driver

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

Hi Wolfram,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on groeck-staging/hwmon-next linus/master v6.17-rc6 next-20250917]
[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/Wolfram-Sang/dt-bindings-watchdog-Add-Renesas-WWDT/20250918-070043
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20250917185651.12428-3-wsa%2Brenesas%40sang-engineering.com
patch subject: [PATCH 2/2] watchdog: renesas_wwdt: add driver
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250918/202509182204.LwGhKzRi-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250918/202509182204.LwGhKzRi-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/202509182204.LwGhKzRi-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/watchdog/renesas_wwdt.c: In function 'wwdt_probe':
>> drivers/watchdog/renesas_wwdt.c:20:25: error: implicit declaration of function 'FIELD_GET' [-Wimplicit-function-declaration]
      20 | #define WDTA0OVF(x)     FIELD_GET(GENMASK(6, 4), x)
         |                         ^~~~~~~~~
   drivers/watchdog/renesas_wwdt.c:98:30: note: in expansion of macro 'WDTA0OVF'
      98 |         interval = 1 << (9 + WDTA0OVF(val));
         |                              ^~~~~~~~


vim +/FIELD_GET +20 drivers/watchdog/renesas_wwdt.c

    18	
    19	#define WDTA0MD		0x0c
  > 20	#define WDTA0OVF(x)	FIELD_GET(GENMASK(6, 4), x)
    21	#define WDTA0WIE	BIT(3)
    22	#define WDTA0ERM	BIT(2)
    23	#define WDTA0WS(x)	FIELD_GET(GENMASK(1, 0), x)
    24	

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