linux-kernel - drivers/media/platform/renesas/rcar_jpu.c:77: warning: "RST" redefined

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Date:   Sat, 14 Jan 2023 02:23:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: drivers/media/platform/renesas/rcar_jpu.c:77: warning: "RST"
 redefined

Hi Mauro,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0bf913e07b377cfc288cfe488ca30b7d67059d8a
commit: ee4a77a32b39064fdab0aa2b36bbd35ebf57e077 media: platform: place Renesas drivers on a separate dir
date:   10 months ago
config: mips-randconfig-s053-20230112
compiler: mipsel-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee4a77a32b39064fdab0aa2b36bbd35ebf57e077
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ee4a77a32b39064fdab0aa2b36bbd35ebf57e077
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash drivers/media/platform/renesas/

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

All warnings (new ones prefixed by >>):

>> drivers/media/platform/renesas/rcar_jpu.c:77: warning: "RST" redefined
      77 | #define RST     0xd0
         | 
   In file included from arch/mips/include/asm/mach-rc32434/irq.h:8,
                    from arch/mips/include/asm/irq.h:17,
                    from include/linux/irq.h:23,
                    from include/asm-generic/hardirq.h:17,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from drivers/media/platform/renesas/rcar_jpu.c:20:
   arch/mips/include/asm/mach-rc32434/rb.h:13: note: this is the location of the previous definition
      13 | #define RST             (1 << 15)
         | 


vim +/RST +77 drivers/media/platform/renesas/rcar_jpu.c

2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  73  
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  74  /* JPEG markers */
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  75  #define TEM	0x01
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  76  #define SOF0	0xc0
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22 @77  #define RST	0xd0
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  78  #define SOI	0xd8
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  79  #define EOI	0xd9
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  80  #define DHP	0xde
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  81  #define DHT	0xc4
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  82  #define COM	0xfe
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  83  #define DQT	0xdb
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  84  #define DRI	0xdd
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  85  #define APP0	0xe0
2c42cdbaec56a9 drivers/media/platform/rcar_jpu.c Mikhail Ulyanov 2015-07-22  86  

:::::: The code at line 77 was first introduced by commit
:::::: 2c42cdbaec56a9565a2717b450506150c9c55103 [media] V4L2: platform: Add Renesas R-Car JPEG codec driver

:::::: TO: Mikhail Ulyanov <mikhail.ulyanov@...entembedded.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@....samsung.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests

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