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Message-ID: <202305261736.cBisGOAz-lkp@intel.com>
Date:   Fri, 26 May 2023 17:45:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>, linux-mips@...r.kernel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, tsbogend@...ha.franken.de,
        linux-arch@...r.kernel.org, arnd@...db.de,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Baoquan He <bhe@...hat.com>,
        Huacai Chen <chenhuacai@...nel.org>
Subject: Re: [PATCH v4] mips: add <asm-generic/io.h> including

Hi Jiaxun,

kernel test robot noticed the following build warnings:

[auto build test WARNING on soc/for-next]
[also build test WARNING on linus/master v6.4-rc3 next-20230525]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jiaxun-Yang/mips-add-asm-generic-io-h-including/20230520-035318
base:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link:    https://lore.kernel.org/r/20230519195135.79600-1-jiaxun.yang%40flygoat.com
patch subject: [PATCH v4] mips: add <asm-generic/io.h> including
config: mips-randconfig-r015-20230525 (https://download.01.org/0day-ci/archive/20230526/202305261736.cBisGOAz-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 4faf3aaf28226a4e950c103a14f6fc1d1fdabb1b)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        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-lab-lkp/linux/commit/4f10a6993ab8060829908b87cdeea41f7eae38e7
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jiaxun-Yang/mips-add-asm-generic-io-h-including/20230520-035318
        git checkout 4f10a6993ab8060829908b87cdeea41f7eae38e7
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/mmc/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305261736.cBisGOAz-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/mmc/host/dw_mmc.c:41:
>> drivers/mmc/host/dw_mmc.h:506:9: warning: '__raw_writeq' macro redefined [-Wmacro-redefined]
   #define __raw_writeq(__value, __reg) \
           ^
   arch/mips/include/asm/io.h:566:9: note: previous definition is here
   #define __raw_writeq __raw_writeq
           ^
   In file included from drivers/mmc/host/dw_mmc.c:41:
>> drivers/mmc/host/dw_mmc.h:508:9: warning: '__raw_readq' macro redefined [-Wmacro-redefined]
   #define __raw_readq(__reg) (*(volatile u64 __force *)(__reg))
           ^
   arch/mips/include/asm/io.h:562:9: note: previous definition is here
   #define __raw_readq __raw_readq
           ^
   2 warnings generated.


vim +/__raw_writeq +506 drivers/mmc/host/dw_mmc.h

76184ac17edf3c Ben Dooks   2015-03-25  473  
f95f3850f7a9e1 Will Newton 2011-01-02  474  /* Register access macros */
f95f3850f7a9e1 Will Newton 2011-01-02  475  #define mci_readl(dev, reg)			\
a2f17680f42878 Ben Dooks   2015-03-25  476  	readl_relaxed((dev)->regs + SDMMC_##reg)
f95f3850f7a9e1 Will Newton 2011-01-02  477  #define mci_writel(dev, reg, value)			\
a2f17680f42878 Ben Dooks   2015-03-25  478  	writel_relaxed((value), (dev)->regs + SDMMC_##reg)
f95f3850f7a9e1 Will Newton 2011-01-02  479  
f95f3850f7a9e1 Will Newton 2011-01-02  480  /* 16-bit FIFO access macros */
f95f3850f7a9e1 Will Newton 2011-01-02  481  #define mci_readw(dev, reg)			\
a2f17680f42878 Ben Dooks   2015-03-25  482  	readw_relaxed((dev)->regs + SDMMC_##reg)
f95f3850f7a9e1 Will Newton 2011-01-02  483  #define mci_writew(dev, reg, value)			\
a2f17680f42878 Ben Dooks   2015-03-25  484  	writew_relaxed((value), (dev)->regs + SDMMC_##reg)
f95f3850f7a9e1 Will Newton 2011-01-02  485  
f95f3850f7a9e1 Will Newton 2011-01-02  486  /* 64-bit FIFO access macros */
f95f3850f7a9e1 Will Newton 2011-01-02  487  #ifdef readq
f95f3850f7a9e1 Will Newton 2011-01-02  488  #define mci_readq(dev, reg)			\
a2f17680f42878 Ben Dooks   2015-03-25  489  	readq_relaxed((dev)->regs + SDMMC_##reg)
f95f3850f7a9e1 Will Newton 2011-01-02  490  #define mci_writeq(dev, reg, value)			\
a2f17680f42878 Ben Dooks   2015-03-25  491  	writeq_relaxed((value), (dev)->regs + SDMMC_##reg)
f95f3850f7a9e1 Will Newton 2011-01-02  492  #else
f95f3850f7a9e1 Will Newton 2011-01-02  493  /*
f95f3850f7a9e1 Will Newton 2011-01-02  494   * Dummy readq implementation for architectures that don't define it.
f95f3850f7a9e1 Will Newton 2011-01-02  495   *
f95f3850f7a9e1 Will Newton 2011-01-02  496   * We would assume that none of these architectures would configure
f95f3850f7a9e1 Will Newton 2011-01-02  497   * the IP block with a 64bit FIFO width, so this code will never be
f95f3850f7a9e1 Will Newton 2011-01-02  498   * executed on those machines. Defining these macros here keeps the
f95f3850f7a9e1 Will Newton 2011-01-02  499   * rest of the code free from ifdefs.
f95f3850f7a9e1 Will Newton 2011-01-02  500   */
f95f3850f7a9e1 Will Newton 2011-01-02  501  #define mci_readq(dev, reg)			\
892b1e312b1791 James Hogan 2011-06-24  502  	(*(volatile u64 __force *)((dev)->regs + SDMMC_##reg))
f95f3850f7a9e1 Will Newton 2011-01-02  503  #define mci_writeq(dev, reg, value)			\
892b1e312b1791 James Hogan 2011-06-24  504  	(*(volatile u64 __force *)((dev)->regs + SDMMC_##reg) = (value))
76184ac17edf3c Ben Dooks   2015-03-25  505  
76184ac17edf3c Ben Dooks   2015-03-25 @506  #define __raw_writeq(__value, __reg) \
76184ac17edf3c Ben Dooks   2015-03-25  507  	(*(volatile u64 __force *)(__reg) = (__value))
76184ac17edf3c Ben Dooks   2015-03-25 @508  #define __raw_readq(__reg) (*(volatile u64 __force *)(__reg))
f95f3850f7a9e1 Will Newton 2011-01-02  509  #endif
f95f3850f7a9e1 Will Newton 2011-01-02  510  

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

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