Re: [PATCH 4/4] Enable Driver compilation in crypto Kconfig and Makefile file

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

Hi Pavitrakumar,

kernel test robot noticed the following build warnings:

[auto build test WARNING on herbert-cryptodev-2.6/master]
[also build test WARNING on herbert-crypto-2.6/master linus/master v6.8-rc7 next-20240305]
[cannot apply to xilinx-xlnx/master]
[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/Pavitrakumar-M/Add-SPAcc-driver-to-Linux-kernel/20240305-193337
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link:    https://lore.kernel.org/r/20240305112831.3380896-5-pavitrakumarm%40vayavyalabs.com
patch subject: [PATCH 4/4] Enable Driver compilation in crypto Kconfig and Makefile file
config: csky-randconfig-r071-20240306 (https://download.01.org/0day-ci/archive/20240306/202403061413.rdjPqkel-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240306/202403061413.rdjPqkel-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/202403061413.rdjPqkel-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/crypto/dwc-spacc/spacc_core.c:2835:56: warning: 'reg_names' defined but not used [-Wunused-const-variable=]
    2835 | static const struct { unsigned int addr; char *name; } reg_names[] = {
         |                                                        ^~~~~~~~~
>> drivers/crypto/dwc-spacc/spacc_core.c:1395:12: warning: 'spacc_set_auxinfo' defined but not used [-Wunused-function]
    1395 | static int spacc_set_auxinfo(struct spacc_device *spacc, int jobid, uint32_t
         |            ^~~~~~~~~~~~~~~~~
   drivers/crypto/dwc-spacc/spacc_core.c:984:26: warning: 'names' defined but not used [-Wunused-const-variable=]
     984 | static const char *const names[] = {
         |                          ^~~~~
   In file included from <command-line>:
   In function 'spacc_sg_chain',
       inlined from 'fixup_sg' at drivers/crypto/dwc-spacc/spacc_core.c:1115:4,
       inlined from 'spacc_sgs_to_ddt' at drivers/crypto/dwc-spacc/spacc_core.c:1144:16:
   include/linux/compiler_types.h:435:45: error: call to '__compiletime_assert_240' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_DEBUG_SG)
     435 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:416:25: note: in definition of macro '__compiletime_assert'
     416 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:435:9: note: in expansion of macro '_compiletime_assert'
     435 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^~~~~~~~~~~~~~~~
   drivers/crypto/dwc-spacc/spacc_core.c:1082:9: note: in expansion of macro 'BUILD_BUG_ON'
    1082 |         BUILD_BUG_ON(IS_ENABLED(CONFIG_DEBUG_SG));
         |         ^~~~~~~~~~~~
   In function 'spacc_sg_chain',
       inlined from 'fixup_sg' at drivers/crypto/dwc-spacc/spacc_core.c:1115:4,
       inlined from 'spacc_sg_to_ddt' at drivers/crypto/dwc-spacc/spacc_core.c:1252:15:
   include/linux/compiler_types.h:435:45: error: call to '__compiletime_assert_240' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_DEBUG_SG)
     435 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                             ^
   include/linux/compiler_types.h:416:25: note: in definition of macro '__compiletime_assert'
     416 |                         prefix ## suffix();                             \
         |                         ^~~~~~
   include/linux/compiler_types.h:435:9: note: in expansion of macro '_compiletime_assert'
     435 |         _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |         ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |         BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |         ^~~~~~~~~~~~~~~~
   drivers/crypto/dwc-spacc/spacc_core.c:1082:9: note: in expansion of macro 'BUILD_BUG_ON'
    1082 |         BUILD_BUG_ON(IS_ENABLED(CONFIG_DEBUG_SG));
         |         ^~~~~~~~~~~~


vim +/spacc_set_auxinfo +1395 drivers/crypto/dwc-spacc/spacc_core.c

6ad822cec22644 Pavitrakumar M 2024-03-05  1394  
6ad822cec22644 Pavitrakumar M 2024-03-05 @1395  static int spacc_set_auxinfo(struct spacc_device *spacc, int jobid, uint32_t
6ad822cec22644 Pavitrakumar M 2024-03-05  1396  		direction, uint32_t bitsize)
6ad822cec22644 Pavitrakumar M 2024-03-05  1397  {
6ad822cec22644 Pavitrakumar M 2024-03-05  1398  	int ret = CRYPTO_OK;
6ad822cec22644 Pavitrakumar M 2024-03-05  1399  	struct spacc_job *job;
6ad822cec22644 Pavitrakumar M 2024-03-05  1400  
6ad822cec22644 Pavitrakumar M 2024-03-05  1401  	if (jobid < 0 || jobid > SPACC_MAX_JOBS)
6ad822cec22644 Pavitrakumar M 2024-03-05  1402  		return -ENXIO;
6ad822cec22644 Pavitrakumar M 2024-03-05  1403  
6ad822cec22644 Pavitrakumar M 2024-03-05  1404  	job = &spacc->job[jobid];
6ad822cec22644 Pavitrakumar M 2024-03-05  1405  	if (!job) {
6ad822cec22644 Pavitrakumar M 2024-03-05  1406  		ret = -EIO;
6ad822cec22644 Pavitrakumar M 2024-03-05  1407  	} else {
6ad822cec22644 Pavitrakumar M 2024-03-05  1408  		job->auxinfo_dir = direction;
6ad822cec22644 Pavitrakumar M 2024-03-05  1409  		job->auxinfo_bit_align = bitsize;
6ad822cec22644 Pavitrakumar M 2024-03-05  1410  	}
6ad822cec22644 Pavitrakumar M 2024-03-05  1411  
6ad822cec22644 Pavitrakumar M 2024-03-05  1412  	return ret;
6ad822cec22644 Pavitrakumar M 2024-03-05  1413  }
6ad822cec22644 Pavitrakumar M 2024-03-05  1414  

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