[liu-song6-linux:uprobe-thp 138/185] drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h:299:0: warning: "BITS_TO_BYTES" redefined

[liu-song6-linux:uprobe-thp 138/185] drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h:299:0: warning: "BITS_TO_BYTES" redefined

[kbuild test robot]

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tree:   https://github.com/liu-song-6/linux.git uprobe-thp
head:   757cb898eb3096f4ed9487b503748d6e3a4d3332
commit: fda08ae863e2fe70adced116d0d7f2ab3b75f219 [138/185] bitops: more BITS_TO_* macros
config: x86_64-rhel-7.6 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout fda08ae863e2fe70adced116d0d7f2ab3b75f219
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c:30:0:
>> drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h:299:0: warning: "BITS_TO_BYTES" redefined
    #define BITS_TO_BYTES(x) ((x)/8)
    
   In file included from include/linux/bitmap.h:8:0,
                    from include/linux/ethtool.h:16,
                    from drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c:22:
   include/linux/bitops.h:11:0: note: this is the location of the previous definition
    #define BITS_TO_BYTES(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(char))
    

vim +/BITS_TO_BYTES +299 drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h

619c5cb6 drivers/net/bnx2x/bnx2x_init.h                   Vlad Zolotarov 2011-06-14  281  
619c5cb6 drivers/net/bnx2x/bnx2x_init.h                   Vlad Zolotarov 2011-06-14  282  
dbedd44e drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Joe Perches    2015-03-06  283  /* congestion management port init api description
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  284   * the api works as follows:
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  285   * the driver should pass the cmng_init_input struct, the port_init function
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  286   * will prepare the required internal ram structure which will be passed back
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  287   * to the driver (cmng_init) that will write it into the internal ram.
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  288   *
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  289   * IMPORTANT REMARKS:
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  290   * 1. the cmng_init struct does not represent the contiguous internal ram
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  291   *    structure. the driver should use the XSTORM_CMNG_PERPORT_VARS_OFFSET
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  292   *    offset in order to write the port sub struct and the
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  293   *    PFID_FROM_PORT_AND_VNIC offset for writing the vnic sub struct (in other
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  294   *    words - don't use memcpy!).
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  295   * 2. although the cmng_init struct is filled for the maximal vnic number
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  296   *    possible, the driver should only write the valid vnics into the internal
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  297   *    ram according to the appropriate port mode.
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  298   */
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03 @299  #define BITS_TO_BYTES(x) ((x)/8)
b475d78f drivers/net/ethernet/broadcom/bnx2x/bnx2x_init.h Yuval Mintz    2012-04-03  300  

:::::: The code at line 299 was first introduced by commit
:::::: b475d78f464195cbdeeda0d80a2ffbd54653a4bd bnx2x: congestion management re-organization

:::::: TO: Yuval Mintz <yuvalmin@broadcom.com>
:::::: CC: David S. Miller <davem@davemloft.net>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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