include/linux/iio/types.h:46:17: error: 's64' undeclared

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

:::::: 
:::::: Manual check reason: "bisect to a FBC not belonging to original linux-review patches: branch: linux-review/Rodrigo-Alencar-via-B4-Relay/dt-bindings-iio-frequency-add-adf41513/20260515-113444, commit: 1ecae55efb140a38ecd4ec97b4fe8e711a81f184"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Rodrigo Alencar <rodrigo.alencar@analog.com>
CC: 0day robot <lkp@intel.com>

tree:   https://github.com/intel-lab-lkp/linux/commits/Rodrigo-Alencar-via-B4-Relay/dt-bindings-iio-frequency-add-adf41513/20260515-113444
head:   f191c064850b44fc99db5ed9856f51b9fc02cef9
commit: 1ecae55efb140a38ecd4ec97b4fe8e711a81f184 iio: core: add decimal value formatting into 64-bit value
date:   35 hours ago
:::::: branch date: 35 hours ago
:::::: commit date: 35 hours ago
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20260516/202605162255.m9u1gJuM-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260516/202605162255.m9u1gJuM-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/202605162255.m9u1gJuM-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/iio/events.h:9,
                    from drivers/iio/adc/xilinx-xadc-events.c:9:
   include/linux/iio/types.h:44:15: error: unknown type name 's64'
      44 | static inline s64 iio_val_s64_compose(int val0, int val1)
         |               ^~~
   include/linux/iio/types.h: In function 'iio_val_s64_compose':
>> include/linux/iio/types.h:46:17: error: 's64' undeclared (first use in this function)
      46 |         return (s64)(((u64)val1 << 32) | (u32)val0);
         |                 ^~~
   include/linux/iio/types.h:46:17: note: each undeclared identifier is reported only once for each function it appears in
>> include/linux/iio/types.h:46:24: error: 'u64' undeclared (first use in this function)
      46 |         return (s64)(((u64)val1 << 32) | (u32)val0);
         |                        ^~~
>> include/linux/iio/types.h:46:28: error: expected ')' before 'val1'
      46 |         return (s64)(((u64)val1 << 32) | (u32)val0);
         |                      ~     ^~~~
         |                            )
>> include/linux/iio/types.h:46:43: error: 'u32' undeclared (first use in this function)
      46 |         return (s64)(((u64)val1 << 32) | (u32)val0);
         |                                           ^~~
>> include/linux/iio/types.h:46:47: error: expected ')' before 'val0'
      46 |         return (s64)(((u64)val1 << 32) | (u32)val0);
         |                     ~                         ^~~~
         |                                               )
   include/linux/iio/types.h: At top level:
   include/linux/iio/types.h:49:15: error: unknown type name 's64'
      49 | static inline s64 iio_val_s64_from_array(const int *vals)
         |               ^~~
   include/linux/iio/types.h:54:42: error: unknown type name 's64'
      54 | static inline void iio_val_s64_decompose(s64 dec64, int *val0, int *val1)
         |                                          ^~~
   include/linux/iio/types.h:60:47: error: unknown type name 's64'
      60 | static inline void iio_val_s64_array_populate(s64 dec64, int *vals)
         |                                               ^~~


vim +/s64 +46 include/linux/iio/types.h

1ecae55efb140a3 Rodrigo Alencar 2026-05-06  43  
1ecae55efb140a3 Rodrigo Alencar 2026-05-06 @44  static inline s64 iio_val_s64_compose(int val0, int val1)
1ecae55efb140a3 Rodrigo Alencar 2026-05-06  45  {
1ecae55efb140a3 Rodrigo Alencar 2026-05-06 @46  	return (s64)(((u64)val1 << 32) | (u32)val0);
1ecae55efb140a3 Rodrigo Alencar 2026-05-06  47  }
1ecae55efb140a3 Rodrigo Alencar 2026-05-06  48  

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki