consolidate asm/const.h to linux/const.h

Make a global linux/const.h header file instead of having multiple,
per-arch files, and convert current users of asm/const.h to use
linux/const.h.

Built on x86_64 and sparc64.

[akpm@linux-foundation.org: fix include/asm-x86_64/Kbuild]
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-sparc64/Kbuild

@@ -8,7 +8,6 @@ header-y += apb.h
 header-y += asi.h
 header-y += bbc.h
 header-y += bpp.h
-header-y += const.h
 header-y += display7seg.h
 header-y += envctrl.h
 header-y += ipc.h

include/asm-sparc64/const.h

@@ -1,19 +0,0 @@
-/* const.h: Macros for dealing with constants.  */
-
-#ifndef _SPARC64_CONST_H
-#define _SPARC64_CONST_H
-
-/* Some constant macros are used in both assembler and
- * C code.  Therefore we cannot annotate them always with
- * 'UL' and other type specificers unilaterally.  We
- * use the following macros to deal with this.
- */
-
-#ifdef __ASSEMBLY__
-#define _AC(X,Y)	X
-#else
-#define _AC(X,Y)	(X##Y)
-#endif
-
-
-#endif /* !(_SPARC64_CONST_H) */

include/asm-sparc64/lsu.h

@@ -2,7 +2,7 @@
 #ifndef _SPARC64_LSU_H
 #define _SPARC64_LSU_H
 
-#include <asm/const.h>
+#include <linux/const.h>
 
 /* LSU Control Register */
 #define LSU_CONTROL_PM _AC(0x000001fe00000000,UL) /* Phys-watchpoint byte mask*/

include/asm-sparc64/mmu.h

@@ -1,8 +1,8 @@
 #ifndef __MMU_H
 #define __MMU_H
 
+#include <linux/const.h>
 #include <asm/page.h>
-#include <asm/const.h>
 #include <asm/hypervisor.h>
 
 #define CTX_NR_BITS		13

include/asm-sparc64/page.h

@@ -5,7 +5,7 @@
 
 #ifdef __KERNEL__
 
-#include <asm/const.h>
+#include <linux/const.h>
 
 #if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
 #define PAGE_SHIFT   13

include/asm-sparc64/pgtable.h

@@ -15,13 +15,13 @@
 #include <asm-generic/pgtable-nopud.h>
 
 #include <linux/compiler.h>
+#include <linux/const.h>
 #include <asm/types.h>
 #include <asm/spitfire.h>
 #include <asm/asi.h>
 #include <asm/system.h>
 #include <asm/page.h>
 #include <asm/processor.h>
-#include <asm/const.h>
 
 /* The kernel image occupies 0x4000000 to 0x1000000 (4MB --> 32MB).
  * The page copy blockops can use 0x2000000 to 0x4000000.

include/asm-sparc64/pstate.h

@@ -2,7 +2,7 @@
 #ifndef _SPARC64_PSTATE_H
 #define _SPARC64_PSTATE_H
 
-#include <asm/const.h>
+#include <linux/const.h>
 
 /* The V9 PSTATE Register (with SpitFire extensions).
  *

include/asm-sparc64/sfafsr.h

@@ -1,7 +1,7 @@
 #ifndef _SPARC64_SFAFSR_H
 #define _SPARC64_SFAFSR_H
 
-#include <asm/const.h>
+#include <linux/const.h>
 
 /* Spitfire Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */
 

include/asm-x86_64/Kbuild

@@ -19,4 +19,3 @@ unifdef-y += mce.h
 unifdef-y += msr.h
 unifdef-y += mtrr.h
 unifdef-y += vsyscall.h
-unifdef-y += const.h

include/asm-x86_64/page.h

@@ -1,7 +1,7 @@
 #ifndef _X86_64_PAGE_H
 #define _X86_64_PAGE_H
 
-#include <asm/const.h>
+#include <linux/const.h>
 
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT	12

include/asm-x86_64/pgtable.h

@@ -1,7 +1,7 @@
 #ifndef _X86_64_PGTABLE_H
 #define _X86_64_PGTABLE_H
 
-#include <asm/const.h>
+#include <linux/const.h>
 #ifndef __ASSEMBLY__
 
 /*

include/linux/Kbuild

@@ -45,6 +45,7 @@ header-y += coda_psdev.h
 header-y += coff.h
 header-y += comstats.h
 header-y += consolemap.h
+header-y += const.h
 header-y += cycx_cfm.h
 header-y += dlm_device.h
 header-y += dm-ioctl.h

include/asm-x86_64/const.h → include/linux/const.h

@@ -1,11 +1,11 @@
 /* const.h: Macros for dealing with constants.  */
 
-#ifndef _X86_64_CONST_H
-#define _X86_64_CONST_H
+#ifndef _LINUX_CONST_H
+#define _LINUX_CONST_H
 
 /* Some constant macros are used in both assembler and
  * C code.  Therefore we cannot annotate them always with
- * 'UL' and other type specificers unilaterally.  We
+ * 'UL' and other type specifiers unilaterally.  We
  * use the following macros to deal with this.
  */
 
@@ -16,5 +16,4 @@
 #define _AC(X,Y)	__AC(X,Y)
 #endif
 
-
-#endif /* !(_X86_64_CONST_H) */
+#endif /* !(_LINUX_CONST_H) */