[linux-next:master 4307/4657] arch/powerpc/sysdev/fsl_rmu.c:507:26: error: passing argument 1 of 'rio_inb_pwrite_handler' from incompatible pointer type

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   8c8d01f13cc20965d084b7ddaecf96b9397aa66a
commit: 14cba476c99f4f75e8bf21bb6539649bd459882f [4307/4657] rapidio: add global inbound port write interfaces
config: powerpc-ppa8548_defconfig (attached as .config)
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 14cba476c99f4f75e8bf21bb6539649bd459882f
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/sysdev/fsl_rmu.c: In function 'fsl_pw_dpc':
>> arch/powerpc/sysdev/fsl_rmu.c:507:26: error: passing argument 1 of 'rio_inb_pwrite_handler' from incompatible pointer type [-Werror=incompatible-pointer-types]
      rio_inb_pwrite_handler((union rio_pw_msg *)msg_buffer);
                             ^
   In file included from arch/powerpc/sysdev/fsl_rio.h:31:0,
                    from arch/powerpc/sysdev/fsl_rmu.c:34:
   include/linux/rio_drv.h:383:12: note: expected 'struct rio_mport *' but argument is of type 'union rio_pw_msg *'
    extern int rio_inb_pwrite_handler(struct rio_mport *mport,
               ^
>> arch/powerpc/sysdev/fsl_rmu.c:507:3: error: too few arguments to function 'rio_inb_pwrite_handler'
      rio_inb_pwrite_handler((union rio_pw_msg *)msg_buffer);
      ^
   In file included from arch/powerpc/sysdev/fsl_rio.h:31:0,
                    from arch/powerpc/sysdev/fsl_rmu.c:34:
   include/linux/rio_drv.h:383:12: note: declared here
    extern int rio_inb_pwrite_handler(struct rio_mport *mport,
               ^
   cc1: all warnings being treated as errors

vim +/rio_inb_pwrite_handler +507 arch/powerpc/sysdev/fsl_rmu.c

6ec4bedb Liu Gang 2011-11-12  501  				pr_debug(" 0x%08x", msg_buffer[i]);
6ec4bedb Liu Gang 2011-11-12  502  		}
6ec4bedb Liu Gang 2011-11-12  503  		pr_debug("\n");
6ec4bedb Liu Gang 2011-11-12  504  		}
6ec4bedb Liu Gang 2011-11-12  505  #endif
6ec4bedb Liu Gang 2011-11-12  506  		/* Pass the port-write message to RIO core for processing */
6ec4bedb Liu Gang 2011-11-12 @507  		rio_inb_pwrite_handler((union rio_pw_msg *)msg_buffer);
6ec4bedb Liu Gang 2011-11-12  508  	}
6ec4bedb Liu Gang 2011-11-12  509  }
6ec4bedb Liu Gang 2011-11-12  510  

:::::: The code at line 507 was first introduced by commit
:::::: 6ec4bedbf153a8ef71aeba99a40efef556b57798 fsl-rio: Split rio driver into two parts, RapidIO endpoint and message unit

:::::: TO: Liu Gang <Gang.Liu@freescale.com>
:::::: CC: Kumar Gala <galak@kernel.crashing.org>

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