tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   d61c8b66c84080ecf8f9f4d9272ab4ec78029a59
commit: 63aadb77669a6856b26d73da85b4f788731524a3 [7132/12612] m68k: coldfire: use clkdev_lookup on most coldfire
config: m68k-randconfig-r014-20210624 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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=63aadb77669a6856b26d73da85b4f788731524a3
        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 63aadb77669a6856b26d73da85b4f788731524a3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

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/coldfire/m525x.c:12:
>> arch/m68k/coldfire/m525x.c:29:30: error: 'pll' undeclared here (not in a function)
      29 |  CLKDEV_INIT(NULL, "pll.0", &pll),
         |                              ^~~
   include/linux/clkdev.h:30:10: note: in definition of macro 'CLKDEV_INIT'
      30 |   .clk = c, \
         |          ^
   In file included from arch/m68k/coldfire/m525x.c:21:
   arch/m68k/include/asm/mcfclk.h:47:27: warning: 'clk_pll' defined but not used [-Wunused-variable]
      47 |         static struct clk clk_##clk_ref = { \
         |                           ^~~~
   arch/m68k/coldfire/m525x.c:25:1: note: in expansion of macro 'DEFINE_CLK'
      25 | DEFINE_CLK(pll, "pll.0", MCF_CLK);
         | ^~~~~~~~~~


vim +/pll +29 arch/m68k/coldfire/m525x.c

    11	
  > 12	#include <linux/clkdev.h>
    13	#include <linux/kernel.h>
    14	#include <linux/param.h>
    15	#include <linux/init.h>
    16	#include <linux/io.h>
    17	#include <linux/platform_device.h>
    18	#include <asm/machdep.h>
    19	#include <asm/coldfire.h>
    20	#include <asm/mcfsim.h>
    21	#include <asm/mcfclk.h>
    22	
    23	/***************************************************************************/
    24	
    25	DEFINE_CLK(pll, "pll.0", MCF_CLK);
    26	DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
    27	
    28	static struct clk_lookup m525x_clk_lookup[] = {
  > 29		CLKDEV_INIT(NULL, "pll.0", &pll),
    30		CLKDEV_INIT(NULL, "sys.0", &clk_sys),
    31		CLKDEV_INIT("mcftmr.0", NULL, &clk_sys),
    32		CLKDEV_INIT("mcftmr.1", NULL, &clk_sys),
    33		CLKDEV_INIT("mcfuart.0", NULL, &clk_sys),
    34		CLKDEV_INIT("mcfuart.1", NULL, &clk_sys),
    35		CLKDEV_INIT("mcfqspi.0", NULL, &clk_sys),
    36		CLKDEV_INIT("imx1-i2c.0", NULL, &clk_sys),
    37		CLKDEV_INIT("imx1-i2c.1", NULL, &clk_sys),
    38	};
    39	

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