Re: [PATCH v2 1/1] PCI: Add KUnit tests for __pci_read_base()

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

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Hi Naveen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on helgaas-pci/next]
[also build test ERROR on v5.16-rc1 next-20211117]
[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]

url:    https://github.com/0day-ci/linux/commits/Naveen-Naidu/PCI-Initial-KUnit-test-fixture-for-resource-assignment/20211115-142802
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: um-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/b8f5b94d52de6904d367ff34aa924593d931a853
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Naveen-Naidu/PCI-Initial-KUnit-test-fixture-for-resource-assignment/20211115-142802
        git checkout b8f5b94d52de6904d367ff34aa924593d931a853
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=um SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/pci/pci-read-base-test.c:355:13: error: conflicting types for 'init_registers'
     355 | static void init_registers(void)
         |             ^~~~~~~~~~~~~~
   In file included from arch/um/include/asm/processor-generic.h:14,
                    from arch/x86/um/asm/processor.h:41,
                    from include/linux/spinlock_up.h:8,
                    from include/linux/spinlock.h:96,
                    from include/linux/mm_types.h:9,
                    from include/linux/buildid.h:5,
                    from include/linux/module.h:14,
                    from include/kunit/test.h:15,
                    from drivers/pci/pci-read-base-test.c:7:
   arch/um/include/shared/registers.h:20:12: note: previous declaration of 'init_registers' was here
      20 | extern int init_registers(int pid);
         |            ^~~~~~~~~~~~~~


vim +/init_registers +355 drivers/pci/pci-read-base-test.c

   348	
   349	/*
   350	 * -----------------------------------------------------------------------
   351	 * Functions for managing test values
   352	 * -----------------------------------------------------------------------
   353	 */
   354	
 > 355	static void init_registers(void)
   356	{
   357		unsigned int i, array_size;
   358		struct config_space_bitfield *type_hdr;
   359	
   360		if (type_header_test_case == PCI_HEADER_TYPE_NORMAL) {
   361			type_hdr = type_0_header;
   362			array_size = ARRAY_SIZE(type_0_header);
   363		} else {
   364			type_hdr = type_1_header;
   365			array_size = ARRAY_SIZE(type_1_header);
   366		}
   367	
   368		for (i = 0; i < array_size; i++, type_hdr++)
   369			set_register(type_hdr->offset, type_hdr->value, type_hdr->size);
   370	}
   371	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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