linux-kernel - Re: [PATCH v2] MIPS: fix duplicate define

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Date:   Thu, 10 Nov 2016 12:37:48 +0000
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...tec.com>,
        linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
        james.hogan@...tec.com
Subject: Re: [PATCH v2] MIPS: fix duplicate define

On Thu, Nov 10, 2016 at 08:23:58PM +0800, kbuild test robot wrote:
> Hi Sudip,
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.9-rc4 next-20161110]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Sudip-Mukherjee/MIPS-fix-duplicate-define/20161110-044738
> config: mips-ip27_defconfig (attached as .config)
> compiler: mips64-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705
> 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
>         # save the attached .config to linux build tree
>         make.cross ARCH=mips 
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from arch/mips/include/asm/page.h:194:0,
>                     from arch/mips/vdso/vdso.h:26,
>                     from arch/mips/vdso/gettimeofday.c:11:
>    arch/mips/include/asm/io.h: In function 'phys_to_virt':
> >> arch/mips/include/asm/io.h:138:9: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
>      return (void *)(address + PAGE_OFFSET - PHYS_OFFSET);
>             ^
>    arch/mips/include/asm/io.h: In function 'isa_bus_to_virt':
>    arch/mips/include/asm/io.h:151:9: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
>      return (void *)(address + PAGE_OFFSET);
>             ^
>    cc1: all warnings being treated as errors

I have seen this before submitting and it is not related to the patch I
submitted. My patch fixed one build failure, the build continued and it
again failed in some other error which needs to be fixed also. I will
have a look after this patch is accepted.

Thanks
Sudip