linux-kernel - drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_parse.c:15:9: warning: 'RST' macro redefined

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Date:   Tue, 17 Aug 2021 06:04:30 +0800
From:   kernel test robot <lkp@...el.com>
To:     Xia Jiang <xia.jiang@...iatek.com>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, Tomasz Figa <tfiga@...omium.org>,
        Hans Verkuil <hverkuil@...all.nl>
Subject: drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_parse.c:15:9: warning:
 'RST' macro redefined

Hi Xia,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7c60610d476766e128cc4284bb6349732cbd6606
commit: 030a7b5c168d996e590cdd09fffd8ebaa8a5d571 media: platform: Rename jpeg dec file name
date:   12 months ago
config: mips-randconfig-c004-20210816 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 44d0a99a12ec7ead4d2f5ef649ba05b40f6d463d)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=030a7b5c168d996e590cdd09fffd8ebaa8a5d571
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 030a7b5c168d996e590cdd09fffd8ebaa8a5d571
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 

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

All warnings (new ones prefixed by >>):

>> drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_parse.c:15:9: warning: 'RST' macro redefined [-Wmacro-redefined]
   #define RST     0xd0
           ^
   arch/mips/include/asm/mach-rc32434/rb.h:15:9: note: previous definition is here
   #define RST             (1 << 15)
           ^
   1 warning generated.


vim +/RST +15 drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_parse.c

b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14  12  
b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14  13  #define TEM	0x01
b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14  14  #define SOF0	0xc0
b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14 @15  #define RST	0xd0
b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14  16  #define SOI	0xd8
b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14  17  #define EOI	0xd9
b2f0d2724ba477d drivers/media/platform/mtk-jpeg/mtk_jpeg_parse.c Rick Chang 2016-12-14  18  

:::::: The code at line 15 was first introduced by commit
:::::: b2f0d2724ba477d326e9d654d4db1c93e98f8b93 [media] vcodec: mediatek: Add Mediatek JPEG Decoder Driver

:::::: TO: Rick Chang <rick.chang@...iatek.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@...pensource.com>

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

Download attachment ".config.gz" of type "application/gzip" (32786 bytes)