[tip:irq/core 13/26] drivers/rtc/rtc-pcf8523.c:35:9: warning: 'REG_OFFSET' macro redefined
From: kernel test robot
Date: Tue Dec 08 2020 - 15:32:21 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
head: d14ce74f1fb376ccbbc0b05ded477ada51253729
commit: 7fd70c65faacd39628ba5f670be6490010c8132f [13/26] ARM: irqstat: Get rid of duplicated declaration
config: arm-randconfig-r002-20201208 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a2f922140f5380571fb74179f2bf622b3b925697)
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 arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=7fd70c65faacd39628ba5f670be6490010c8132f
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip irq/core
git checkout 7fd70c65faacd39628ba5f670be6490010c8132f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
>> drivers/rtc/rtc-pcf8523.c:35:9: warning: 'REG_OFFSET' macro redefined [-Wmacro-redefined]
#define REG_OFFSET 0x0e
^
arch/arm/mach-ixp4xx/include/mach/platform.h:23:9: note: previous definition is here
#define REG_OFFSET 0
^
1 warning generated.
vim +/REG_OFFSET +35 drivers/rtc/rtc-pcf8523.c
f803f0d079ded4 Thierry Reding 2012-12-17 34
bc3bee02527252 Russell King 2017-09-29 @35 #define REG_OFFSET 0x0e
bc3bee02527252 Russell King 2017-09-29 36 #define REG_OFFSET_MODE BIT(7)
bc3bee02527252 Russell King 2017-09-29 37
:::::: The code at line 35 was first introduced by commit
:::::: bc3bee0252725240ffa62180d387cc245179c549 rtc: pcf8523: add support for trimming the RTC oscillator
:::::: TO: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
:::::: CC: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip