tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   4ccc9e2db7ac33f450a1ff6ce158a71e5a81ded9
commit: b82f8c3f1409f1c97621e9e4b3a24c627b7651ac [3848/4407] net: fec: add eee mode tx lpi support
config: m68k-m5272c3_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 10.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b82f8c3f1409f1c97621e9e4b3a24c627b7651ac
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout b82f8c3f1409f1c97621e9e4b3a24c627b7651ac
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/net/ethernet/freescale/

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 arch/m68k/include/asm/io.h:6,
                    from arch/m68k/include/asm/pgtable_no.h:14,
                    from arch/m68k/include/asm/pgtable.h:3,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:33,
                    from include/linux/pid_namespace.h:7,
                    from include/linux/ptrace.h:10,
                    from drivers/net/ethernet/freescale/fec_main.c:29:
   drivers/net/ethernet/freescale/fec_main.c: In function 'fec_enet_eee_mode_set':
>> drivers/net/ethernet/freescale/fec_main.c:2758:33: error: 'FEC_LPI_SLEEP' undeclared (first use in this function); did you mean 'FEC_ECR_SLEEP'?
    2758 |  writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP);
         |                                 ^~~~~~~~~~~~~
   arch/m68k/include/asm/io_no.h:25:66: note: in definition of macro '__raw_writel'
      25 | #define __raw_writel(b, addr) (void)((*(__force volatile u32 *) (addr)) = (b))
         |                                                                  ^~~~
   drivers/net/ethernet/freescale/fec_main.c:2758:2: note: in expansion of macro 'writel'
    2758 |  writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP);
         |  ^~~~~~
   drivers/net/ethernet/freescale/fec_main.c:2758:33: note: each undeclared identifier is reported only once for each function it appears in
    2758 |  writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP);
         |                                 ^~~~~~~~~~~~~
   arch/m68k/include/asm/io_no.h:25:66: note: in definition of macro '__raw_writel'
      25 | #define __raw_writel(b, addr) (void)((*(__force volatile u32 *) (addr)) = (b))
         |                                                                  ^~~~
   drivers/net/ethernet/freescale/fec_main.c:2758:2: note: in expansion of macro 'writel'
    2758 |  writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP);
         |  ^~~~~~
>> drivers/net/ethernet/freescale/fec_main.c:2759:32: error: 'FEC_LPI_WAKE' undeclared (first use in this function)
    2759 |  writel(wake_cycle, fep->hwp + FEC_LPI_WAKE);
         |                                ^~~~~~~~~~~~
   arch/m68k/include/asm/io_no.h:25:66: note: in definition of macro '__raw_writel'
      25 | #define __raw_writel(b, addr) (void)((*(__force volatile u32 *) (addr)) = (b))
         |                                                                  ^~~~
   drivers/net/ethernet/freescale/fec_main.c:2759:2: note: in expansion of macro 'writel'
    2759 |  writel(wake_cycle, fep->hwp + FEC_LPI_WAKE);
         |  ^~~~~~


vim +2758 drivers/net/ethernet/freescale/fec_main.c

  2734	
  2735	static int fec_enet_eee_mode_set(struct net_device *ndev, bool enable)
  2736	{
  2737		struct fec_enet_private *fep = netdev_priv(ndev);
  2738		struct ethtool_eee *p = &fep->eee;
  2739		unsigned int sleep_cycle, wake_cycle;
  2740		int ret = 0;
  2741	
  2742		if (enable) {
  2743			ret = phy_init_eee(ndev->phydev, 0);
  2744			if (ret)
  2745				return ret;
  2746	
  2747			sleep_cycle = fec_enet_us_to_tx_cycle(ndev, p->tx_lpi_timer);
  2748			wake_cycle = sleep_cycle;
  2749		} else {
  2750			sleep_cycle = 0;
  2751			wake_cycle = 0;
  2752		}
  2753	
  2754		p->tx_lpi_enabled = enable;
  2755		p->eee_enabled = enable;
  2756		p->eee_active = enable;
  2757	
> 2758		writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP);
> 2759		writel(wake_cycle, fep->hwp + FEC_LPI_WAKE);
  2760	
  2761		return 0;
  2762	}
  2763	

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