Hi Gerhard,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Gerhard-Engleder/ptp-Support-hardware-clocks-with-additional-free-running-time/20220323-051003
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 4a0cb83ba6e0cd73a50fa4f84736846bf0029f2b
config: hexagon-buildonly-randconfig-r004-20220320 (https://download.01.org/0day-ci/archive/20220323/202203230811.oaI4Q7IP-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 902f4708fe1d03b0de7e5315ef875006a6adc319)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/754e870cb9699166113d6ea383e48b0207165c1a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Gerhard-Engleder/ptp-Support-hardware-clocks-with-additional-free-running-time/20220323-051003
        git checkout 754e870cb9699166113d6ea383e48b0207165c1a
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/spi/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   In file included from drivers/spi/spi.c:36:

quoted

include/linux/ptp_clock_kernel.h:418:1: error: expected identifier or '('

   { return 0; }
   ^
   1 error generated.


vim +418 include/linux/ptp_clock_kernel.h

   404	
   405	/**
   406	 * ptp_convert_timestamp() - convert timestamp to a ptp vclock time
   407	 *
   408	 * @hwtstamp:     timestamp
   409	 * @vclock_index: phc index of ptp vclock.
   410	 *
   411	 * Returns converted timestamp, or 0 on error.
   412	 */
   413	ktime_t ptp_convert_timestamp(const ktime_t *hwtstamp, int vclock_index);
   414	#else
   415	static inline ktime_t ptp_get_timestamp(int index,
   416						const struct skb_shared_hwtstamps *hwtstamps,
   417						bool cycles);
 > 418	{ return 0; }
   419	static inline int ptp_get_vclocks_index(int pclock_index, int **vclock_index)
   420	{ return 0; }
   421	static inline ktime_t ptp_convert_timestamp(const ktime_t *hwtstamp,
   422						    int vclock_index)
   423	{ return 0; }
   424	

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