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Message-ID: <202007312211.WxvU01zu%lkp@intel.com>
Date: Fri, 31 Jul 2020 22:57:16 +0800
From: kernel test robot <lkp@...el.com>
To: Richard Cochran <richardcochran@...il.com>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
linux-kernel@...r.kernel.org
Subject: drivers/ptp/ptp_ines.c:837:34: warning: unused variable
'ines_ptp_ctrl_of_match'
Hi Richard,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d8b9faec54ae4bc2fff68bcd0befa93ace8256ce
commit: bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023 ptp: Add a driver for InES time stamping IP core.
date: 7 months ago
config: x86_64-randconfig-r036-20200731 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c23ae3f18ee3ff11671f4c62ffc66d150b1bcdc2)
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
git checkout bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023
# 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@...el.com>
All warnings (new ones prefixed by >>):
drivers/ptp/ptp_ines.c:481:37: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
tag_to_msgtype(ts->tag & 0x7), *msgtype & 0xf);
^~~~~~~~~~~~~~
include/linux/device.h:1784:39: note: expanded from macro 'dev_dbg'
dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:158:19: note: expanded from macro 'dynamic_dev_dbg'
dev, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:143:56: note: expanded from macro '_dynamic_func_call'
__dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
^~~~~~~~~~~
include/linux/dynamic_debug.h:125:15: note: expanded from macro '__dynamic_func_call'
func(&id, ##__VA_ARGS__); \
^~~~~~~~~~~
drivers/ptp/ptp_ines.c:491:19: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
ts->portnum, ntohs(*portn));
^~~~~~~~~~~~~
include/linux/device.h:1784:39: note: expanded from macro 'dev_dbg'
dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:158:19: note: expanded from macro 'dynamic_dev_dbg'
dev, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:143:56: note: expanded from macro '_dynamic_func_call'
__dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
^~~~~~~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/byteorder/generic.h:137:21: note: expanded from macro '___ntohs'
#define ___ntohs(x) __be16_to_cpu(x)
^~~~~~~~~~~~~~~~
include/uapi/linux/byteorder/little_endian.h:42:26: note: expanded from macro '__be16_to_cpu'
#define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/uapi/linux/swab.h:104:2: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/ptp/ptp_ines.c:496:17: warning: format specifies type 'unsigned short' but the argument has type 'int' [-Wformat]
ts->seqid, ntohs(*seqid));
^~~~~~~~~~~~~
include/linux/device.h:1784:39: note: expanded from macro 'dev_dbg'
dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:158:19: note: expanded from macro 'dynamic_dev_dbg'
dev, fmt, ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dynamic_debug.h:143:56: note: expanded from macro '_dynamic_func_call'
__dynamic_func_call(__UNIQUE_ID(ddebug), fmt, func, ##__VA_ARGS__)
^~~~~~~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/byteorder/generic.h:137:21: note: expanded from macro '___ntohs'
#define ___ntohs(x) __be16_to_cpu(x)
^~~~~~~~~~~~~~~~
include/uapi/linux/byteorder/little_endian.h:42:26: note: expanded from macro '__be16_to_cpu'
#define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/uapi/linux/swab.h:104:2: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/ptp/ptp_ines.c:837:34: warning: unused variable 'ines_ptp_ctrl_of_match' [-Wunused-const-variable]
static const struct of_device_id ines_ptp_ctrl_of_match[] = {
^
4 warnings generated.
vim +/ines_ptp_ctrl_of_match +837 drivers/ptp/ptp_ines.c
836
> 837 static const struct of_device_id ines_ptp_ctrl_of_match[] = {
838 { .compatible = "ines,ptp-ctrl" },
839 { }
840 };
841
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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