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From: kbuild test robot <lkp@intel.com>
To: "Richard, Cochran," <richardcochran@gmail.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	linux-kernel@vger.kernel.org
Subject: drivers/ptp/ptp_ines.c:837:34: warning: unused variable 'ines_ptp_ctrl_of_match'
Date: Tue, 2 Jun 2020 12:35:08 +0800	[thread overview]
Message-ID: <202006021205.HpBa1xdy%lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f359287765c04711ff54fbd11645271d8e5ff763
commit: bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023 ptp: Add a driver for InES time stamping IP core.
date:   5 months ago
config: x86_64-randconfig-r036-20200602 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2388a096e7865c043e83ece4e26654bd3d1a20d5)
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: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old 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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WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: drivers/ptp/ptp_ines.c:837:34: warning: unused variable 'ines_ptp_ctrl_of_match'
Date: Tue, 02 Jun 2020 12:35:08 +0800	[thread overview]
Message-ID: <202006021205.HpBa1xdy%lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f359287765c04711ff54fbd11645271d8e5ff763
commit: bad1eaa6ac312ffd7aa46dd5a4d9843b824aa023 ptp: Add a driver for InES time stamping IP core.
date:   5 months ago
config: x86_64-randconfig-r036-20200602 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2388a096e7865c043e83ece4e26654bd3d1a20d5)
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: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old 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(a)lists.01.org

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             reply	other threads:[~2020-06-02  5:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-02  4:35 kbuild test robot [this message]
2020-06-02  4:35 ` drivers/ptp/ptp_ines.c:837:34: warning: unused variable 'ines_ptp_ctrl_of_match' kbuild test robot
2020-07-31 14:57 kernel test robot
2020-07-31 14:57 ` kernel test robot
2020-10-27  6:35 kernel test robot
2020-10-27  6:35 ` kernel test robot
2023-03-13 15:54 kernel test robot

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