* [intel-linux-intel-lts:5.10/preempt-rt 10974/15696] drivers/media/i2c/ar0234.c:2102:13: warning: no previous prototype for function 'ar0234_threaded_irq_fn'
@ 2021-09-03 6:02 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-09-03 6:02 UTC (permalink / raw)
To: kbuild-all
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Hi Ng,
First bad commit (maybe != root cause):
tree: https://github.com/intel/linux-intel-lts.git 5.10/preempt-rt
head: 5972e7ec0c623b152e54aa4452a4cdcbfd27558a
commit: 2def42a616c1ceec2eb739c6befb6af42f6ee22c [10974/15696] Fix compile issue
config: arm-randconfig-r011-20210903 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c9948e9254fbb6ea00f66c7b4542311d21e060be)
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://github.com/intel/linux-intel-lts/commit/2def42a616c1ceec2eb739c6befb6af42f6ee22c
git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-linux-intel-lts 5.10/preempt-rt
git checkout 2def42a616c1ceec2eb739c6befb6af42f6ee22c
# 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@intel.com>
All warnings (new ones prefixed by >>):
drivers/media/i2c/ar0234.c:1757:6: warning: unused variable 'val' [-Wunused-variable]
u32 val;
^
>> drivers/media/i2c/ar0234.c:2102:13: warning: no previous prototype for function 'ar0234_threaded_irq_fn' [-Wmissing-prototypes]
irqreturn_t ar0234_threaded_irq_fn(int irq, void *dev_id)
^
drivers/media/i2c/ar0234.c:2102:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
irqreturn_t ar0234_threaded_irq_fn(int irq, void *dev_id)
^
static
2 warnings generated.
vim +/ar0234_threaded_irq_fn +2102 drivers/media/i2c/ar0234.c
1aafb1e0df55278 Ng Khai Wen 2021-07-01 2101
1aafb1e0df55278 Ng Khai Wen 2021-07-01 @2102 irqreturn_t ar0234_threaded_irq_fn(int irq, void *dev_id)
1aafb1e0df55278 Ng Khai Wen 2021-07-01 2103 {
1aafb1e0df55278 Ng Khai Wen 2021-07-01 2104 return IRQ_HANDLED;
1aafb1e0df55278 Ng Khai Wen 2021-07-01 2105 }
1aafb1e0df55278 Ng Khai Wen 2021-07-01 2106
:::::: The code at line 2102 was first introduced by commit
:::::: 1aafb1e0df5527884ad5ccb67ec95414df4d85f7 Add IPU driver
:::::: TO: Ng Khai Wen <khai.wen.ng@intel.com>
:::::: CC: Pan, Kris <kris.pan@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-09-03 6:02 [intel-linux-intel-lts:5.10/preempt-rt 10974/15696] drivers/media/i2c/ar0234.c:2102:13: warning: no previous prototype for function 'ar0234_threaded_irq_fn' kernel test robot
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