linux-kernel - [intel-tdx:guest 37/107] lib/pci_iomap.c:30:9: error: implicit declaration of function 'ioremap

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Message-ID: <202107262316.yrYeP857-lkp@intel.com>
Date:   Mon, 26 Jul 2021 23:19:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andi Kleen <ak@...ux.intel.com>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Subject: [intel-tdx:guest 37/107] lib/pci_iomap.c:30:9: error: implicit
 declaration of function 'ioremap_shared'

tree:   https://github.com/intel/tdx.git guest
head:   a81fb28d2e12ec7ee9667fbd8b08c7128d352f10
commit: 9627c7de2c9fd39517b723ef9759e9579f25800c [37/107] pci: Add pci_iomap_shared{,_range}
config: mips-randconfig-r001-20210726 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c63dbd850182797bc4b76124d08e1c320ab2365d)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://github.com/intel/tdx/commit/9627c7de2c9fd39517b723ef9759e9579f25800c
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest
        git checkout 9627c7de2c9fd39517b723ef9759e9579f25800c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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

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

>> lib/pci_iomap.c:30:9: error: implicit declaration of function 'ioremap_shared' [-Werror,-Wimplicit-function-declaration]
           return ioremap_shared(addr, size);
                  ^
   lib/pci_iomap.c:30:9: note: did you mean 'map_ioremap_shared'?
   lib/pci_iomap.c:28:22: note: 'map_ioremap_shared' declared here
   static void __iomem *map_ioremap_shared(phys_addr_t addr, size_t size)
                        ^
>> lib/pci_iomap.c:30:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'void *' [-Wint-conversion]
           return ioremap_shared(addr, size);
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning and 1 error generated.


vim +/ioremap_shared +30 lib/pci_iomap.c

    27	
    28	static void __iomem *map_ioremap_shared(phys_addr_t addr, size_t size)
    29	{
  > 30		return ioremap_shared(addr, size);
    31	}
    32	

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

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