linux-kernel - Re: drivers/reset/reset-intel-gw.c:18: warning: "REG

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Date:   Thu, 4 Jun 2020 23:35:18 +0800
From:   Dejin Zheng <zhengdejin5@...il.com>
To:     kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: Re: drivers/reset/reset-intel-gw.c:18: warning: "REG_OFFSET"
 redefined

On Thu, Jun 04, 2020 at 07:37:06PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   6929f71e46bdddbf1c4d67c2728648176c67c555
> commit: e44ab4e14d6f4c448ae555132090c1a116b19e5c regmap: Simplify implementation of the regmap_read_poll_timeout() macro
> date:   6 weeks ago
> config: arm-randconfig-r035-20200604 (attached as .config)
> compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
> 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
>         git checkout e44ab4e14d6f4c448ae555132090c1a116b19e5c
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
Hi

Thanks very much for report this issue to me, and very very sorry for
that. I submit a commit to fix it. it is in here:
https://lkml.org/lkml/2020/6/4/606

BR,
Dejin

> All warnings (new ones prefixed by >>, old ones prefixed by <<):
> 
> >> drivers/reset/reset-intel-gw.c:18: warning: "REG_OFFSET" redefined
> 18 | #define REG_OFFSET GENMASK(31, 16)
> |
> In file included from arch/arm/mach-ixp4xx/include/mach/hardware.h:30,
> from arch/arm/mach-ixp4xx/include/mach/io.h:15,
> from arch/arm/include/asm/io.h:198,
> from include/linux/io.h:13,
> from include/linux/iopoll.h:14,
> from include/linux/regmap.h:20,
> from drivers/reset/reset-intel-gw.c:12:
> arch/arm/mach-ixp4xx/include/mach/platform.h:25: note: this is the location of the previous definition
> 25 | #define REG_OFFSET 3
> |
> 
> vim +/REG_OFFSET +18 drivers/reset/reset-intel-gw.c
> 
> c9aef213e38cde Dilip Kota 2020-01-03  17  
> c9aef213e38cde Dilip Kota 2020-01-03 @18  #define REG_OFFSET	GENMASK(31, 16)
> c9aef213e38cde Dilip Kota 2020-01-03  19  #define BIT_OFFSET	GENMASK(15, 8)
> c9aef213e38cde Dilip Kota 2020-01-03  20  #define STAT_BIT_OFFSET	GENMASK(7, 0)
> c9aef213e38cde Dilip Kota 2020-01-03  21  
> 
> :::::: The code at line 18 was first introduced by commit
> :::::: c9aef213e38cde27d4689a5cbe25a7c1b1db9fad reset: intel: Add system reset controller driver
> 
> :::::: TO: Dilip Kota <eswara.kota@...ux.intel.com>
> :::::: CC: Philipp Zabel <p.zabel@...gutronix.de>
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org