linux-kernel - sound/pci/ca0106/ca0106.h:62:9: warning: 'PTR' macro redefined

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Date:   Tue, 22 Mar 2022 04:01:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Huang Pei <huangpei@...ngson.cn>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Subject: sound/pci/ca0106/ca0106.h:62:9: warning: 'PTR' macro redefined

Hi Huang,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f443e374ae131c168a065ea1748feac6b2e76613
commit: f0b7ddbd794bdffade370f22bb7a774002208ef4 MIPS: retire "asm/llsc.h"
date:   3 months ago
config: mips-mtx1_defconfig (https://download.01.org/0day-ci/archive/20220322/202203220433.6STDC254-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 85e9b2687a13d1908aa86d1b89c5ce398a06cd39)
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=f0b7ddbd794bdffade370f22bb7a774002208ef4
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f0b7ddbd794bdffade370f22bb7a774002208ef4
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash sound/pci/

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 >>):

   In file included from sound/pci/ca0106/ca0106_main.c:156:
>> sound/pci/ca0106/ca0106.h:62:9: warning: 'PTR' macro redefined [-Wmacro-redefined]
   #define PTR                     0x00            /* Indexed register set pointer register        */
           ^
   arch/mips/include/asm/asm.h:288:9: note: previous definition is here
   #define PTR             .word
           ^
   1 warning generated.


vim +/PTR +62 sound/pci/ca0106/ca0106.h

^1da177e4c3f41 Linus Torvalds 2005-04-16  61  
^1da177e4c3f41 Linus Torvalds 2005-04-16 @62  #define PTR			0x00		/* Indexed register set pointer register	*/
^1da177e4c3f41 Linus Torvalds 2005-04-16  63  						/* NOTE: The CHANNELNUM and ADDRESS words can	*/
^1da177e4c3f41 Linus Torvalds 2005-04-16  64  						/* be modified independently of each other.	*/
^1da177e4c3f41 Linus Torvalds 2005-04-16  65  						/* CNL[1:0], ADDR[27:16]                        */
^1da177e4c3f41 Linus Torvalds 2005-04-16  66  

:::::: The code at line 62 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp