[morimoto:string-helper-2025-03-04 52/264] arch/arm/mm/pmsa-v7.c:473:4: error: call to undeclared function 'str_yes_no'; ISO C99 and later do not support implicit function declarations

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

tree:   https://github.com/morimoto/linux string-helper-2025-03-04
head:   dc1f35422c705e8df42322c71936bd12213d0a46
commit: 02c2077b2f4be41510bc150cc157d523b63020d4 [52/264] arm: mm: pmsa-v7: use string choices helper
config: arm-randconfig-002-20250305 (https://download.01.org/0day-ci/archive/20250305/202503051517.tw7zpZN5-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250305/202503051517.tw7zpZN5-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/202503051517.tw7zpZN5-lkp@intel.com/

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

>> arch/arm/mm/pmsa-v7.c:473:4: error: call to undeclared function 'str_yes_no'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     473 |                         str_yes_no(mpu_iside_independent()),
         |                         ^
>> arch/arm/mm/pmsa-v7.c:473:4: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat]
     472 |                          "Region independence: %s, Used %d of %d regions\n",
         |                                                ~~
         |                                                %d
     473 |                         str_yes_no(mpu_iside_independent()),
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/printk.h:574:34: note: expanded from macro 'pr_info'
     574 |         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                                 ~~~     ^~~~~~~~~~~
   include/linux/printk.h:501:60: note: expanded from macro 'printk'
     501 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                     ~~~    ^~~~~~~~~~~
   include/linux/printk.h:473:19: note: expanded from macro 'printk_index_wrap'
     473 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                         ~~~~    ^~~~~~~~~~~
   1 warning and 1 error generated.


vim +/str_yes_no +473 arch/arm/mm/pmsa-v7.c

   451	
   452		/* RAM */
   453		for (i = 0; i < ARRAY_SIZE(mem); i++) {
   454			if (!mem[i].size)
   455				continue;
   456	
   457			err |= mpu_setup_region(region++, mem[i].base, ilog2(mem[i].size),
   458						PMSAv7_AP_PL1RW_PL0RW | PMSAv7_RGN_NORMAL,
   459						mem[i].subreg, false);
   460		}
   461	
   462		/* Vectors */
   463	#ifndef CONFIG_CPU_V7M
   464		err |= mpu_setup_region(region++, vectors_base, ilog2(2 * PAGE_SIZE),
   465					PMSAv7_AP_PL1RW_PL0NA | PMSAv7_RGN_NORMAL,
   466					0, false);
   467	#endif
   468		if (err) {
   469			panic("MPU region initialization failure! %d", err);
   470		} else {
   471			pr_info("Using ARMv7 PMSA Compliant MPU. "
   472				 "Region independence: %s, Used %d of %d regions\n",
 > 473				str_yes_no(mpu_iside_independent()),

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