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Date:   Fri, 9 Jun 2017 16:22:33 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc:     kbuild-all@...org, "David S. Miller" <davem@...emloft.net>,
        netdev@...r.kernel.org, Marcin Wojtas <mw@...ihalf.com>,
        Stefan Chulski <stefanc@...vell.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Hanna Hawa <hannah@...vell.com>,
        Yehuda Yitschak <yehuday@...vell.com>,
        Antoine Tenart <antoine.tenart@...e-electrons.com>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Subject: Re: [PATCH 1/5] net: mvpp2: remove mvpp2_bm_cookie_{build,pool_get}

Hi Thomas,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.12-rc4 next-20170608]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Thomas-Petazzoni/net-mvpp2-fixes-and-cleanups/20170609-083211
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

Note: the linux-review/Thomas-Petazzoni/net-mvpp2-fixes-and-cleanups/20170609-083211 HEAD 5a6bfd0022913d8ffcfd0eae9235b9bee844cf53 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/net/ethernet/marvell/mvpp2.c: In function 'mvpp2_bm_cookie_pool_set':
>> drivers/net/ethernet/marvell/mvpp2.c:3913:26: error: 'MVPP2_BM_COOKIE_POOL_OFFS' undeclared (first use in this function)
     bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
                             ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/ethernet/marvell/mvpp2.c:3913:26: note: each undeclared identifier is reported only once for each function it appears in

vim +/MVPP2_BM_COOKIE_POOL_OFFS +3913 drivers/net/ethernet/marvell/mvpp2.c

3f518509 Marcin Wojtas 2014-07-10  3907  
3f518509 Marcin Wojtas 2014-07-10  3908  /* Set pool number in a BM cookie */
3f518509 Marcin Wojtas 2014-07-10  3909  static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool)
3f518509 Marcin Wojtas 2014-07-10  3910  {
3f518509 Marcin Wojtas 2014-07-10  3911  	u32 bm;
3f518509 Marcin Wojtas 2014-07-10  3912  
3f518509 Marcin Wojtas 2014-07-10 @3913  	bm = cookie & ~(0xFF << MVPP2_BM_COOKIE_POOL_OFFS);
3f518509 Marcin Wojtas 2014-07-10  3914  	bm |= ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS);
3f518509 Marcin Wojtas 2014-07-10  3915  
3f518509 Marcin Wojtas 2014-07-10  3916  	return bm;

:::::: The code at line 3913 was first introduced by commit
:::::: 3f518509dedc99f0b755d2ce68d24f610e3a005a ethernet: Add new driver for Marvell Armada 375 network unit

:::::: TO: Marcin Wojtas <mw@...ihalf.com>
:::::: CC: David S. Miller <davem@...emloft.net>

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