[arm-platforms:hack/ppi 8/13] include/linux/irqdomain.h:765:12: warning: 'irq_populate_fwspec_info' defined but not used

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git hack/ppi
head:   2eb268faef9c9204898770ee24a676c213566794
commit: 069b6b94df996439ad61f8ad9f15617097a09fa9 [8/13] fixup! new affinity retrieval API
config: powerpc64-randconfig-002-20250406 (https://download.01.org/0day-ci/archive/20250407/202504070043.zBFNF505-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250407/202504070043.zBFNF505-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/202504070043.zBFNF505-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/of_irq.h:8:0,
                    from drivers/crypto/inside-secure/safexcel.c:16:
>> include/linux/irqdomain.h:765:12: warning: 'irq_populate_fwspec_info' defined but not used [-Wunused-function]
    static int irq_populate_fwspec_info(struct irq_fwspec_info *info)
               ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/inside-secure/safexcel.c: In function 'safexcel_probe_generic.constprop':
   drivers/crypto/inside-secure/safexcel.c:1162:30: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=]
      snprintf(irq_name, 6, "ring%d", irqid);
                                 ^~
   drivers/crypto/inside-secure/safexcel.c:1162:25: note: directive argument in the range [0, 2147483647]
      snprintf(irq_name, 6, "ring%d", irqid);
                            ^~~~~~~~
   drivers/crypto/inside-secure/safexcel.c:1162:3: note: 'snprintf' output between 6 and 15 bytes into a destination of size 6
      snprintf(irq_name, 6, "ring%d", irqid);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/crypto/inside-secure/safexcel.c:1667:32: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=]
      snprintf(wq_name, 9, "wq_ring%d", i);
                                   ^~
   drivers/crypto/inside-secure/safexcel.c:1667:24: note: directive argument in the range [0, 2147483647]
      snprintf(wq_name, 9, "wq_ring%d", i);
                           ^~~~~~~~~~~
   drivers/crypto/inside-secure/safexcel.c:1667:3: note: 'snprintf' output between 9 and 18 bytes into a destination of size 9
      snprintf(wq_name, 9, "wq_ring%d", i);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/of_irq.h:8:0,
                    from safexcel.c:16:
>> include/linux/irqdomain.h:765:12: warning: 'irq_populate_fwspec_info' defined but not used [-Wunused-function]
    static int irq_populate_fwspec_info(struct irq_fwspec_info *info)
               ^~~~~~~~~~~~~~~~~~~~~~~~
   safexcel.c: In function 'safexcel_probe_generic.constprop':
   safexcel.c:1162:30: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=]
      snprintf(irq_name, 6, "ring%d", irqid);
                                 ^~
   safexcel.c:1162:25: note: directive argument in the range [0, 2147483647]
      snprintf(irq_name, 6, "ring%d", irqid);
                            ^~~~~~~~
   safexcel.c:1162:3: note: 'snprintf' output between 6 and 15 bytes into a destination of size 6
      snprintf(irq_name, 6, "ring%d", irqid);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   safexcel.c:1667:32: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=]
      snprintf(wq_name, 9, "wq_ring%d", i);
                                   ^~
   safexcel.c:1667:24: note: directive argument in the range [0, 2147483647]
      snprintf(wq_name, 9, "wq_ring%d", i);
                           ^~~~~~~~~~~
   safexcel.c:1667:3: note: 'snprintf' output between 9 and 18 bytes into a destination of size 9
      snprintf(wq_name, 9, "wq_ring%d", i);
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/irq_populate_fwspec_info +765 include/linux/irqdomain.h

   764	
 > 765	static int irq_populate_fwspec_info(struct irq_fwspec_info *info)
   766	{
   767		return -EINVAL;
   768	}
   769	#endif	/* CONFIG_IRQ_DOMAIN_HIERARCHY */
   770	

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