[axboe-block:rw_iter 440/447] drivers/platform/x86/intel/intel_plr_tpmi.c:255:1: error: use of undeclared identifier 'plr_status_write_iter'; did you mean 'plr_status_write'?

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

Hi Jens,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git rw_iter
head:   097956626f11860fdba8b8919604f57b4a69957d
commit: f3422615616703b0056097588146982e90e412a1 [440/447] seq_file: switch to using ->read_iter()
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240918/202409180017.Gzv254ce-lkp@intel.com/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/20240918/202409180017.Gzv254ce-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/202409180017.Gzv254ce-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/platform/x86/intel/intel_plr_tpmi.c:255:1: error: use of undeclared identifier 'plr_status_write_iter'; did you mean 'plr_status_write'?
     255 | DEFINE_SHOW_STORE_ATTRIBUTE(plr_status);
         | ^
   include/linux/seq_file.h:230:16: note: expanded from macro 'DEFINE_SHOW_STORE_ATTRIBUTE'
     230 |         .write_iter     = __name ## _write_iter,                        \
         |                           ^
   <scratch space>:135:1: note: expanded from here
     135 | plr_status_write_iter
         | ^
   drivers/platform/x86/intel/intel_plr_tpmi.c:224:16: note: 'plr_status_write' declared here
     224 | static ssize_t plr_status_write(struct kiocb *iocb, struct iov_iter *from)
         |                ^
   1 error generated.


vim +255 drivers/platform/x86/intel/intel_plr_tpmi.c

811f67c51636d4 Tero Kristo 2024-05-27  223  
d81c9b5f82e85b Jens Axboe  2024-04-04  224  static ssize_t plr_status_write(struct kiocb *iocb, struct iov_iter *from)
811f67c51636d4 Tero Kristo 2024-05-27  225  {
d81c9b5f82e85b Jens Axboe  2024-04-04  226  	struct seq_file *s = iocb->ki_filp->private_data;
811f67c51636d4 Tero Kristo 2024-05-27  227  	struct tpmi_plr_die *plr_die = s->private;
d81c9b5f82e85b Jens Axboe  2024-04-04  228  	size_t count = iov_iter_count(from);
811f67c51636d4 Tero Kristo 2024-05-27  229  	bool val;
811f67c51636d4 Tero Kristo 2024-05-27  230  	int ret;
811f67c51636d4 Tero Kristo 2024-05-27  231  
d81c9b5f82e85b Jens Axboe  2024-04-04  232  	ret = kstrtobool_from_iter(from, count, &val);
811f67c51636d4 Tero Kristo 2024-05-27  233  	if (ret)
811f67c51636d4 Tero Kristo 2024-05-27  234  		return ret;
811f67c51636d4 Tero Kristo 2024-05-27  235  
811f67c51636d4 Tero Kristo 2024-05-27  236  	if (val != 0)
811f67c51636d4 Tero Kristo 2024-05-27  237  		return -EINVAL;
811f67c51636d4 Tero Kristo 2024-05-27  238  
811f67c51636d4 Tero Kristo 2024-05-27  239  	plr_write(0, plr_die, PLR_DIE_LEVEL);
811f67c51636d4 Tero Kristo 2024-05-27  240  
9e9397a41b7b1d Tero Kristo 2024-05-27  241  	guard(mutex)(&plr_die->lock);
9e9397a41b7b1d Tero Kristo 2024-05-27  242  
9e9397a41b7b1d Tero Kristo 2024-05-27  243  	for (int cpu = 0; cpu < nr_cpu_ids; cpu++) {
9e9397a41b7b1d Tero Kristo 2024-05-27  244  		if (plr_die->die_id != tpmi_get_power_domain_id(cpu))
9e9397a41b7b1d Tero Kristo 2024-05-27  245  			continue;
9e9397a41b7b1d Tero Kristo 2024-05-27  246  
9e9397a41b7b1d Tero Kristo 2024-05-27  247  		if (plr_die->package_id != topology_physical_package_id(cpu))
9e9397a41b7b1d Tero Kristo 2024-05-27  248  			continue;
9e9397a41b7b1d Tero Kristo 2024-05-27  249  
9e9397a41b7b1d Tero Kristo 2024-05-27  250  		plr_clear_cpu_status(plr_die, cpu);
9e9397a41b7b1d Tero Kristo 2024-05-27  251  	}
9e9397a41b7b1d Tero Kristo 2024-05-27  252  
811f67c51636d4 Tero Kristo 2024-05-27  253  	return count;
811f67c51636d4 Tero Kristo 2024-05-27  254  }
811f67c51636d4 Tero Kristo 2024-05-27 @255  DEFINE_SHOW_STORE_ATTRIBUTE(plr_status);
811f67c51636d4 Tero Kristo 2024-05-27  256  

:::::: The code at line 255 was first introduced by commit
:::::: 811f67c51636d43791995bf483c5c1904900b531 platform/x86/intel/tpmi: Add new auxiliary driver for performance limits

:::::: TO: Tero Kristo <tero.kristo@linux.intel.com>
:::::: CC: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

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