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arch/cris/arch-v32/mm/intmem.c:148:17: error: initialization from incompatible pointer type

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  arch/cris/arch-v32/mm/intmem.c:148:17: error: initialization from  incompatible pointer type kbuild test robot <fengguang.wu@intel.com> - 2016-09-17 18:10 +0200

#1485572 — arch/cris/arch-v32/mm/intmem.c:148:17: error: initialization from incompatible pointer type

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4d2899d73c4734cd04edb9409a72d0ef637cfb06
commit: ea8daa7b97842aab8507b5b5b1e3226cf2d514a6 kbuild: Add option to turn incompatible pointer check into error
date:   6 months ago
config: cris-artpec_3_defconfig (attached as .config)
compiler: cris-linux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout ea8daa7b97842aab8507b5b5b1e3226cf2d514a6
        # save the attached .config to linux build tree
        make.cross ARCH=cris 

All errors (new ones prefixed by >>):

   arch/cris/arch-v32/mm/intmem.c: In function 'crisv32_intmem_free':
   arch/cris/arch-v32/mm/intmem.c:116:14: warning: comparison of distinct pointer types lacks a cast
       if ((prev != &intmem_allocations) &&
                 ^~
   arch/cris/arch-v32/mm/intmem.c:123:14: warning: comparison of distinct pointer types lacks a cast
       if ((next != &intmem_allocations) &&
                 ^~
   In file included from include/linux/printk.h:5:0,
                    from include/linux/kernel.h:13,
                    from include/linux/list.h:8,
                    from arch/cris/arch-v32/mm/intmem.c:7:
   arch/cris/arch-v32/mm/intmem.c: At top level:
>> arch/cris/arch-v32/mm/intmem.c:148:17: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
    device_initcall(crisv32_intmem_init);
                    ^
   include/linux/init.h:184:58: note: in definition of macro '__define_initcall'
     __attribute__((__section__(".initcall" #id ".init"))) = fn; \
                                                             ^~
   arch/cris/arch-v32/mm/intmem.c:148:1: note: in expansion of macro 'device_initcall'
    device_initcall(crisv32_intmem_init);
    ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +148 arch/cris/arch-v32/mm/intmem.c

51533b61 Mikael Starvik 2005-07-27  132  	}
51533b61 Mikael Starvik 2005-07-27  133  	preempt_enable();
51533b61 Mikael Starvik 2005-07-27  134  }
51533b61 Mikael Starvik 2005-07-27  135  
51533b61 Mikael Starvik 2005-07-27  136  void* crisv32_intmem_phys_to_virt(unsigned long addr)
51533b61 Mikael Starvik 2005-07-27  137  {
108ecfbc Jesper Nilsson 2008-01-25  138  	return (void *)(addr - (MEM_INTMEM_START + RESERVED_SIZE) +
51533b61 Mikael Starvik 2005-07-27  139  		(unsigned long)intmem_virtual);
51533b61 Mikael Starvik 2005-07-27  140  }
51533b61 Mikael Starvik 2005-07-27  141  
51533b61 Mikael Starvik 2005-07-27  142  unsigned long crisv32_intmem_virt_to_phys(void* addr)
51533b61 Mikael Starvik 2005-07-27  143  {
51533b61 Mikael Starvik 2005-07-27  144  	return (unsigned long)((unsigned long )addr -
108ecfbc Jesper Nilsson 2008-01-25  145  		(unsigned long)intmem_virtual + MEM_INTMEM_START +
108ecfbc Jesper Nilsson 2008-01-25  146  		RESERVED_SIZE);
51533b61 Mikael Starvik 2005-07-27  147  }
73de14e8 Paul Gortmaker 2015-05-01 @148  device_initcall(crisv32_intmem_init);
51533b61 Mikael Starvik 2005-07-27  149  

:::::: The code at line 148 was first introduced by commit
:::::: 73de14e8cdc733bbc8eda006f813d5aa51511139 cris: don't use module_init for non-modular core intmem.c code

:::::: TO: Paul Gortmaker <paul.gortmaker@windriver.com>
:::::: CC: Paul Gortmaker <paul.gortmaker@windriver.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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