tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git efi/core
head:   54649911f31b6e7c2a79a1426ca98259139e4c35
commit: 4dbe44fb538c59a4adae5abfa9ded2f310250315 [9/12] efi: capsule: clean scatter-gather entries from the D-cache
config: ia64-randconfig-r011-20201213 (attached as .config)
compiler: ia64-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/tip/tip.git/commit/?id=4dbe44fb538c59a4adae5abfa9ded2f310250315
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip efi/core
        git checkout 4dbe44fb538c59a4adae5abfa9ded2f310250315
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

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 >>):

>> drivers/firmware/efi/capsule.c:15:10: fatal error: asm/efi.h: No such file or directory
      15 | #include <asm/efi.h>
         |          ^~~~~~~~~~~
   compilation terminated.

vim +15 drivers/firmware/efi/capsule.c

     9	
    10	#include <linux/slab.h>
    11	#include <linux/mutex.h>
    12	#include <linux/highmem.h>
    13	#include <linux/efi.h>
    14	#include <linux/vmalloc.h>
  > 15	#include <asm/efi.h>
    16	#include <asm/io.h>
    17	

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