Re: [PATCH v1 2/2] i3c: master: Add Nuvoton npcm845 i3c master driver

kernel test robot
2024-08-02T23:26:36Z

Hi Stanley,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.11-rc1 next-20240802]
[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/Stanley-Chu/dt-bindings-i3c-Add-NPCM845-i3c-controller/20240802-183617
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20240801071946.43266-3-yschu%40nuvoton.com
patch subject: [PATCH v1 2/2] i3c: master: Add Nuvoton npcm845 i3c master driver
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240803/202408030639.LBZ5zgGw-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240803/202408030639.LBZ5zgGw-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/202408030639.LBZ5zgGw-lkp@intel.com/

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

>> drivers/i3c/master/npcm845-i3c-master.c:655:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
655 | default:
| ^
drivers/i3c/master/npcm845-i3c-master.c:655:2: note: insert 'break;' to avoid fall-through
655 | default:
| ^
| break;
>> drivers/i3c/master/npcm845-i3c-master.c:1112:9: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical]
1112 | if ((NPCM_I3C_MSTATUS_STATE_IDLE(reg) |
| ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| ||
1113 | NPCM_I3C_MSTATUS_STATE_SLVREQ(reg)) &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/i3c/master/npcm845-i3c-master.c:67:42: note: expanded from macro 'NPCM_I3C_MSTATUS_STATE_IDLE'
67 | #define NPCM_I3C_MSTATUS_STATE_IDLE(x) (NPCM_I3C_MSTATUS_STATE(x) == 0)
| ^
drivers/i3c/master/npcm845-i3c-master.c:1112:9: note: cast one or both operands to int to silence this warning
drivers/i3c/master/npcm845-i3c-master.c:67:42: note: expanded from macro 'NPCM_I3C_MSTATUS_STATE_IDLE'
67 | #define NPCM_I3C_MSTATUS_STATE_IDLE(x) (NPCM_I3C_MSTATUS_STATE(x) == 0)
| ^
>> drivers/i3c/master/npcm845-i3c-master.c:2353:12: error: incompatible function pointer types initializing 'void (*)(struct platform_device *)' with an expression of type 'int (struct platform_device *)' [-Wincompatible-function-pointer-types]
2353 | .remove = npcm_i3c_master_remove,
| ^~~~~~~~~~~~~~~~~~~~~~
2 warnings and 1 error generated.

vim +2353 drivers/i3c/master/npcm845-i3c-master.c

2350
2351 static struct platform_driver npcm_i3c_master = {
2352 .probe = npcm_i3c_master_probe,
> 2353 .remove = npcm_i3c_master_remove,
2354 .driver = {
2355 .name = "npcm845-i3c-master",
2356 .of_match_table = npcm_i3c_master_of_match_tbl,
2357 },
2358 };
2359 module_platform_driver(npcm_i3c_master);
2360

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