Re: [PATCH 3/3] s390/time: Add PtP driver

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Hi Sven,

kernel test robot noticed the following build errors:

[auto build test ERROR on s390/features]
[also build test ERROR on linus/master v6.12-rc3 next-20241015]
[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/Sven-Schnelle/s390-time-Add-clocksource-id-to-TOD-clock/20241015-185651
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
patch link:    https://lore.kernel.org/r/20241015105414.2825635-4-svens%40linux.ibm.com
patch subject: [PATCH 3/3] s390/time: Add PtP driver
config: x86_64-buildonly-randconfig-003-20241016 (https://download.01.org/0day-ci/archive/20241016/202410161414.jC5t2eWE-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410161414.jC5t2eWE-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410161414.jC5t2eWE-lkp@xxxxxxxxx/

All error/warnings (new ones prefixed by >>):

>> drivers/ptp/ptp_s390.c:21:52: warning: declaration of 'union tod_clock' will not be visible outside of this function [-Wvisibility]
      21 | static struct timespec64 eitod_to_timespec64(union tod_clock *clk)
         |                                                    ^
>> drivers/ptp/ptp_s390.c:23:26: error: call to undeclared function 'eitod_to_ns'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      23 |         return ns_to_timespec64(eitod_to_ns(clk));
         |                                 ^
>> drivers/ptp/ptp_s390.c:28:26: error: call to undeclared function 'tod_to_ns'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      28 |         return ns_to_timespec64(tod_to_ns(tod - TOD_UNIX_EPOCH));
         |                                 ^
>> drivers/ptp/ptp_s390.c:28:42: error: use of undeclared identifier 'TOD_UNIX_EPOCH'
      28 |         return ns_to_timespec64(tod_to_ns(tod - TOD_UNIX_EPOCH));
         |                                                 ^
>> drivers/ptp/ptp_s390.c:34:18: error: variable has incomplete type 'union tod_clock'
      34 |         union tod_clock tod;
         |                         ^
   drivers/ptp/ptp_s390.c:34:8: note: forward declaration of 'union tod_clock'
      34 |         union tod_clock tod;
         |               ^
>> drivers/ptp/ptp_s390.c:36:7: error: call to undeclared function 'stp_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      36 |         if (!stp_enabled())
         |              ^
>> drivers/ptp/ptp_s390.c:39:2: error: call to undeclared function 'store_tod_clock_ext_cc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      39 |         store_tod_clock_ext_cc(&tod);
         |         ^
>> drivers/ptp/ptp_s390.c:49:2: error: call to undeclared function 'ptff'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      49 |         ptff(&tod, sizeof(tod), PTFF_QPT);
         |         ^
>> drivers/ptp/ptp_s390.c:49:26: error: use of undeclared identifier 'PTFF_QPT'
      49 |         ptff(&tod, sizeof(tod), PTFF_QPT);
         |                                 ^
   drivers/ptp/ptp_s390.c:64:18: error: variable has incomplete type 'union tod_clock'
      64 |         union tod_clock clk;
         |                         ^
   drivers/ptp/ptp_s390.c:64:8: note: forward declaration of 'union tod_clock'
      64 |         union tod_clock clk;
         |               ^
   drivers/ptp/ptp_s390.c:66:2: error: call to undeclared function 'store_tod_clock_ext_cc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      66 |         store_tod_clock_ext_cc(&clk);
         |         ^
   drivers/ptp/ptp_s390.c:67:29: error: call to undeclared function 'tod_to_ns'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      67 |         *device_time = ns_to_ktime(tod_to_ns(clk.tod - TOD_UNIX_EPOCH));
         |                                    ^
   drivers/ptp/ptp_s390.c:67:49: error: use of undeclared identifier 'TOD_UNIX_EPOCH'
      67 |         *device_time = ns_to_ktime(tod_to_ns(clk.tod - TOD_UNIX_EPOCH));
         |                                                        ^
   drivers/ptp/ptp_s390.c:76:7: error: call to undeclared function 'stp_enabled'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      76 |         if (!stp_enabled())
         |              ^
   1 warning and 13 errors generated.


vim +/eitod_to_ns +23 drivers/ptp/ptp_s390.c

    20	
  > 21	static struct timespec64 eitod_to_timespec64(union tod_clock *clk)
    22	{
  > 23		return ns_to_timespec64(eitod_to_ns(clk));
    24	}
    25	
    26	static struct timespec64 tod_to_timespec64(unsigned long tod)
    27	{
  > 28		return ns_to_timespec64(tod_to_ns(tod - TOD_UNIX_EPOCH));
    29	}
    30	
    31	static int ptp_s390_stcke_gettime(struct ptp_clock_info *ptp,
    32					  struct timespec64 *ts)
    33	{
  > 34		union tod_clock tod;
    35	
  > 36		if (!stp_enabled())
    37			return -EOPNOTSUPP;
    38	
  > 39		store_tod_clock_ext_cc(&tod);
    40		*ts = eitod_to_timespec64(&tod);
    41		return 0;
    42	}
    43	
    44	static int ptp_s390_qpt_gettime(struct ptp_clock_info *ptp,
    45					struct timespec64 *ts)
    46	{
    47		unsigned long tod;
    48	
  > 49		ptff(&tod, sizeof(tod), PTFF_QPT);
    50		*ts = tod_to_timespec64(tod);
    51		return 0;
    52	}
    53	

-- 
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https://github.com/intel/lkp-tests/wiki




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