nvdimm: constify device_type structures

Declare device_type structure as const as it is only stored in the
type field of a device structure. This field is of type const, so add
const to declaration of device_type structure.

File size before:
  text	   data	    bss	    dec	    hex	filename
  19278	   3199	     16	  22493	   57dd	nvdimm/namespace_devs.o

File size after:
  text	   data	    bss	    dec	    hex	filename
  19929	   3160	     16	  23105	   5a41	nvdimm/namespace_devs.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

path: root/tools/include/asm/barrier.h

#if defined(__i386__) || defined(__x86_64__)
#include "../../arch/x86/include/asm/barrier.h"
#elif defined(__arm__)
#include "../../arch/arm/include/asm/barrier.h"
#elif defined(__aarch64__)
#include "../../arch/arm64/include/asm/barrier.h"
#elif defined(__powerpc__)
#include "../../arch/powerpc/include/asm/barrier.h"
#elif defined(__s390__)
#include "../../arch/s390/include/asm/barrier.h"
#elif defined(__sh__)
#include "../../arch/sh/include/asm/barrier.h"
#elif defined(__sparc__)
#include "../../arch/sparc/include/asm/barrier.h"
#elif defined(__tile__)
#include "../../arch/tile/include/asm/barrier.h"
#elif defined(__alpha__)
#include "../../arch/alpha/include/asm/barrier.h"
#elif defined(__mips__)
#include "../../arch/mips/include/asm/barrier.h"
#elif defined(__ia64__)
#include "../../arch/ia64/include/asm/barrier.h"
#elif defined(__xtensa__)
#include "../../arch/xtensa/include/asm/barrier.h"
#else
#include <asm-generic/barrier.h>
#endif