Hi Dan,

I love your patch! Yet something to improve:

[auto build test ERROR on net/master]
[also build test ERROR on linus/master v5.7-rc3 next-20200428]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dan-Murphy/WoL-fixes-for-DP83822-and-DP83tc811/20200428-130050
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 37255e7a8f470a7d9678be89c18ba15d6ebf43f7
config: x86_64-randconfig-c002-20200428 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project f30416fdde922eaa655934e050026930fefbd260)
reproduce:
        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
        # 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 errors (new ones prefixed by >>):

>> drivers/net/phy/dp83tc811.c:148:32: error: use of undeclared identifier 'DP83822_DEVADDR'
                   return phy_write_mmd(phydev, DP83822_DEVADDR,
                                                ^
   1 error generated.

vim +/DP83822_DEVADDR +148 drivers/net/phy/dp83tc811.c

    96	
    97	static int dp83811_set_wol(struct phy_device *phydev,
    98				   struct ethtool_wolinfo *wol)
    99	{
   100		struct net_device *ndev = phydev->attached_dev;
   101		const u8 *mac;
   102		u16 value;
   103	
   104		if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {
   105			mac = (const u8 *)ndev->dev_addr;
   106	
   107			if (!is_valid_ether_addr(mac))
   108				return -EINVAL;
   109	
   110			/* MAC addresses start with byte 5, but stored in mac[0].
   111			 * 811 PHYs store bytes 4|5, 2|3, 0|1
   112			 */
   113			phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_DA1,
   114				      (mac[1] << 8) | mac[0]);
   115			phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_DA2,
   116				      (mac[3] << 8) | mac[2]);
   117			phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_DA3,
   118				      (mac[5] << 8) | mac[4]);
   119	
   120			value = phy_read_mmd(phydev, DP83811_DEVADDR,
   121					     MII_DP83811_WOL_CFG);
   122			if (wol->wolopts & WAKE_MAGIC)
   123				value |= DP83811_WOL_MAGIC_EN;
   124			else
   125				value &= ~DP83811_WOL_MAGIC_EN;
   126	
   127			if (wol->wolopts & WAKE_MAGICSECURE) {
   128				phy_write_mmd(phydev, DP83811_DEVADDR,
   129					      MII_DP83811_RXSOP1,
   130					      (wol->sopass[1] << 8) | wol->sopass[0]);
   131				phy_write_mmd(phydev, DP83811_DEVADDR,
   132					      MII_DP83811_RXSOP2,
   133					      (wol->sopass[3] << 8) | wol->sopass[2]);
   134				phy_write_mmd(phydev, DP83811_DEVADDR,
   135					      MII_DP83811_RXSOP3,
   136					      (wol->sopass[5] << 8) | wol->sopass[4]);
   137				value |= DP83811_WOL_SECURE_ON;
   138			} else {
   139				value &= ~DP83811_WOL_SECURE_ON;
   140			}
   141	
   142			/* Clear any pending WoL interrupt */
   143			phy_read(phydev, MII_DP83811_INT_STAT1);
   144	
   145			value |= DP83811_WOL_EN | DP83811_WOL_INDICATION_SEL |
   146				 DP83811_WOL_CLR_INDICATION;
   147	
 > 148			return phy_write_mmd(phydev, DP83822_DEVADDR,
   149					     MII_DP83811_WOL_CFG, value);
   150		} else {
   151			return phy_clear_bits_mmd(phydev, DP83811_DEVADDR,
   152						  MII_DP83811_WOL_CFG, DP83811_WOL_EN);
   153		}
   154	

---
0-DAY CI Kernel Test Service, Intel Corporation
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