[xlnx:master 371/551] include/linux/sysfs.h:55:8: error: 'struct device_attribute' has no member named 'key'

[kernel test robot <lkp@intel.com>]

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Hi Nishad,

FYI, the error/warning still remains.

tree:   https://github.com/Xilinx/linux-xlnx master
head:   190ba47825b71dd7abeca27b890f1dd5bd5eb781
commit: 12a05be804864f46ccaeccdcf806fe68aa489099 [371/551] misc: xilinx-ai-engine: Create sysfs device attribute framework
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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
        # https://github.com/Xilinx/linux-xlnx/commit/12a05be804864f46ccaeccdcf806fe68aa489099
        git remote add xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xlnx master
        git checkout 12a05be804864f46ccaeccdcf806fe68aa489099
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/misc/

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 >>):

   In file included from include/linux/kobject.h:20,
                    from include/linux/cdev.h:5,
                    from drivers/misc/xilinx-ai-engine/ai-engine-internal.h:14,
                    from drivers/misc/xilinx-ai-engine/ai-engine-sysfs.c:7:
   drivers/misc/xilinx-ai-engine/ai-engine-sysfs.c: In function 'aie_sysfs_create_dev_attr':
>> include/linux/sysfs.h:55:8: error: 'struct device_attribute' has no member named 'key'
      55 |  (attr)->key = &__key;    \
         |        ^~
   drivers/misc/xilinx-ai-engine/ai-engine-sysfs.c:25:2: note: in expansion of macro 'sysfs_attr_init'
      25 |  sysfs_attr_init(node);
         |  ^~~~~~~~~~~~~~~


vim +55 include/linux/sysfs.h

^1da177e4c3f41 Linus Torvalds    2005-04-16  39  
35960258ed388c Eric W. Biederman 2010-02-12  40  /**
35960258ed388c Eric W. Biederman 2010-02-12  41   *	sysfs_attr_init - initialize a dynamically allocated sysfs attribute
35960258ed388c Eric W. Biederman 2010-02-12  42   *	@attr: struct attribute to initialize
35960258ed388c Eric W. Biederman 2010-02-12  43   *
35960258ed388c Eric W. Biederman 2010-02-12  44   *	Initialize a dynamically allocated struct attribute so we can
35960258ed388c Eric W. Biederman 2010-02-12  45   *	make lockdep happy.  This is a new requirement for attributes
35960258ed388c Eric W. Biederman 2010-02-12  46   *	and initially this is only needed when lockdep is enabled.
35960258ed388c Eric W. Biederman 2010-02-12  47   *	Lockdep gives a nice error when your attribute is added to
35960258ed388c Eric W. Biederman 2010-02-12  48   *	sysfs if you don't have this.
35960258ed388c Eric W. Biederman 2010-02-12  49   */
6992f5334995af Eric W. Biederman 2010-02-11  50  #ifdef CONFIG_DEBUG_LOCK_ALLOC
6992f5334995af Eric W. Biederman 2010-02-11  51  #define sysfs_attr_init(attr)				\
6992f5334995af Eric W. Biederman 2010-02-11  52  do {							\
6992f5334995af Eric W. Biederman 2010-02-11  53  	static struct lock_class_key __key;		\
6992f5334995af Eric W. Biederman 2010-02-11  54  							\
6992f5334995af Eric W. Biederman 2010-02-11 @55  	(attr)->key = &__key;				\
6992f5334995af Eric W. Biederman 2010-02-11  56  } while (0)
6992f5334995af Eric W. Biederman 2010-02-11  57  #else
6992f5334995af Eric W. Biederman 2010-02-11  58  #define sysfs_attr_init(attr) do {} while (0)
6992f5334995af Eric W. Biederman 2010-02-11  59  #endif
6992f5334995af Eric W. Biederman 2010-02-11  60  

:::::: The code at line 55 was first introduced by commit
:::::: 6992f5334995af474c2b58d010d08bc597f0f2fe sysfs: Use one lockdep class per sysfs attribute.

:::::: TO: Eric W. Biederman <ebiederm@xmission.com>
:::::: CC: Greg Kroah-Hartman <gregkh@suse.de>

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

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