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SubjectRe: [PATCH v4 5/5] drm/i915/display: Introduce DEFINE_SHOW_STORE_ATTRIBUTE for debugfs
Hi Luo,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on mkp-scsi/for-next]
[also build test ERROR on scsi/for-next linus/master v5.10-rc3 next-20201112]
[cannot apply to hnaz-linux-mm/master]
[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]

url: https://github.com/0day-ci/linux/commits/Luo-Jiaxing/Introduce-a-new-helper-macro-DEFINE_SHOW_STORE_ATTRIBUTE-at-seq_file-c/20201112-150927
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: x86_64-randconfig-a002-20201111 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a7b65741441556d295079fc4f2391d99fd1c1111)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/c5417f366b929124a8b8a6add9b86653da6935a8
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Luo-Jiaxing/Introduce-a-new-helper-macro-DEFINE_SHOW_STORE_ATTRIBUTE-at-seq_file-c/20201112-150927
git checkout c5417f366b929124a8b8a6add9b86653da6935a8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/display/intel_display_debugfs.c:1788:1: error: redefinition of 'i915_hpd_short_storm_ctl_open'
DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_short_storm_ctl);
^
include/linux/seq_file.h:195:12: note: expanded from macro 'DEFINE_SHOW_STORE_ATTRIBUTE'
static int __name ## _open(struct inode *inode, struct file *file) \
^
<scratch space>:154:1: note: expanded from here
i915_hpd_short_storm_ctl_open
^
drivers/gpu/drm/i915/display/intel_display_debugfs.c:1735:1: note: previous definition is here
i915_hpd_short_storm_ctl_open(struct inode *inode, struct file *file)
^
1 error generated.

vim +/i915_hpd_short_storm_ctl_open +1788 drivers/gpu/drm/i915/display/intel_display_debugfs.c

1787
> 1788 DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_short_storm_ctl);
1789

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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