netdev - Re: [net-next 1/2] net: ethernet: slicoss: add slicoss gigabit ethernet driver

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Message-ID: <201611131629.0wpFan1q%fengguang.wu@intel.com>
Date:   Sun, 13 Nov 2016 16:38:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Lino Sanfilippo <LinoSanfilippo@....de>
Cc:     kbuild-all@...org, davem@...emloft.net, charrer@...critech.com,
        liodot@...il.com, gregkh@...uxfoundation.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Lino Sanfilippo <LinoSanfilippo@....de>
Subject: Re: [net-next 1/2] net: ethernet: slicoss: add slicoss gigabit
 ethernet driver

Hi Lino,

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Lino-Sanfilippo/net-ethernet-slicoss-add-slicoss-gigabit-ethernet-driver/20161113-125131
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

Note: the linux-review/Lino-Sanfilippo/net-ethernet-slicoss-add-slicoss-gigabit-ethernet-driver/20161113-125131 HEAD 04d1527ec5ee782c78665a855a30a3f150ba78f4 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/staging/slicoss/slicoss.c: In function 'slic_cmdq_addcmdpage':
>> drivers/staging/slicoss/slicoss.c:1258:14: error: implicit declaration of function 'virt_to_bus' [-Werror=implicit-function-declaration]
     phys_addr = virt_to_bus((void *)page);
                 ^~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/virt_to_bus +1258 drivers/staging/slicoss/slicoss.c

4d6ea9c3 Denis Kirjanov     2010-07-10  1242  	struct slic_hostcmd *cmd;
4d6ea9c3 Denis Kirjanov     2010-07-10  1243  	struct slic_hostcmd *prev;
4d6ea9c3 Denis Kirjanov     2010-07-10  1244  	struct slic_hostcmd *tail;
4d6ea9c3 Denis Kirjanov     2010-07-10  1245  	struct slic_cmdqueue *cmdq;
4d6ea9c3 Denis Kirjanov     2010-07-10  1246  	int cmdcnt;
4d6ea9c3 Denis Kirjanov     2010-07-10  1247  	void *cmdaddr;
4d6ea9c3 Denis Kirjanov     2010-07-10  1248  	ulong phys_addr;
4d6ea9c3 Denis Kirjanov     2010-07-10  1249  	u32 phys_addrl;
4d6ea9c3 Denis Kirjanov     2010-07-10  1250  	u32 phys_addrh;
4d6ea9c3 Denis Kirjanov     2010-07-10  1251  	struct slic_handle *pslic_handle;
eafe6002 David Matlack      2015-05-11  1252  	unsigned long flags;
4d6f6af8 Greg Kroah-Hartman 2008-03-19  1253  
4d6ea9c3 Denis Kirjanov     2010-07-10  1254  	cmdaddr = page;
dd146d21 Shraddha Barke     2015-10-15  1255  	cmd = cmdaddr;
4d6ea9c3 Denis Kirjanov     2010-07-10  1256  	cmdcnt = 0;
4d6f6af8 Greg Kroah-Hartman 2008-03-19  1257  
4d6ea9c3 Denis Kirjanov     2010-07-10 @1258  	phys_addr = virt_to_bus((void *)page);
4d6ea9c3 Denis Kirjanov     2010-07-10  1259  	phys_addrl = SLIC_GET_ADDR_LOW(phys_addr);
4d6ea9c3 Denis Kirjanov     2010-07-10  1260  	phys_addrh = SLIC_GET_ADDR_HIGH(phys_addr);
4d6f6af8 Greg Kroah-Hartman 2008-03-19  1261  
4d6ea9c3 Denis Kirjanov     2010-07-10  1262  	prev = NULL;
4d6ea9c3 Denis Kirjanov     2010-07-10  1263  	tail = cmd;
4d6ea9c3 Denis Kirjanov     2010-07-10  1264  	while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
4d6ea9c3 Denis Kirjanov     2010-07-10  1265  	       (adapter->slic_handle_ix < 256)) {
4d6ea9c3 Denis Kirjanov     2010-07-10  1266  		/* Allocate and initialize a SLIC_HANDLE for this command */

:::::: The code at line 1258 was first introduced by commit
:::::: 4d6ea9c3223da8d8dc91b369087fa40cc53edd36 Staging: slicoss: kill functions prototypes and reorder functions

:::::: TO: Denis Kirjanov <dkirjanov@...a.kernel.org>
:::::: CC: Greg Kroah-Hartman <gregkh@...e.de>

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