Re: [PATCH v2 3/3] soc: aspeed: lpc-pcc: Add PCC controller support

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

Hi Kevin,

kernel test robot noticed the following build errors:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus robh/for-next linus/master v6.14-rc6 next-20250307]
[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/Kevin-Chen/ARM-dts-aspeed-g6-Add-AST2600-LPC-PCC-support/20250304-194530
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20250304104434.481429-4-kevin_chen%40aspeedtech.com
patch subject: [PATCH v2 3/3] soc: aspeed: lpc-pcc: Add PCC controller support
config: s390-randconfig-r112-20250310 (https://download.01.org/0day-ci/archive/20250310/202503101519.AIZNCLz1-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250310/202503101519.AIZNCLz1-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/202503101519.AIZNCLz1-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/io.h:14,
                    from include/linux/of_address.h:7,
                    from drivers/mfd/syscon.c:18:
   drivers/mfd/syscon.c: In function 'of_syscon_register':
>> arch/s390/include/asm/io.h:31:17: error: implicit declaration of function 'iounmap' [-Wimplicit-function-declaration]
      31 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/mfd/syscon.c:157:9: note: in expansion of macro 'iounmap'
     157 |         iounmap(base);
         |         ^~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MFD_SYSCON
   Depends on [n]: HAS_IOMEM [=n]
   Selected by [y]:
   - ASPEED_LPC_PCC [=y]


vim +/iounmap +31 arch/s390/include/asm/io.h

cd24834130ac65 Jan Glauber 2012-11-29  26  
b43b3fff042d08 Baoquan He  2023-07-06  27  /*
b43b3fff042d08 Baoquan He  2023-07-06  28   * I/O memory mapping functions.
b43b3fff042d08 Baoquan He  2023-07-06  29   */
b43b3fff042d08 Baoquan He  2023-07-06  30  #define ioremap_prot ioremap_prot
b43b3fff042d08 Baoquan He  2023-07-06 @31  #define iounmap iounmap
b43b3fff042d08 Baoquan He  2023-07-06  32  

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