add the common dma_addr_t typedef to include/linux/types.h

All architectures can use the common dma_addr_t typedef now. We can
remove the arch specific dma_addr_t.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Matt Turner <mattst88@gmail.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/alpha/include/asm/types.h

@@ -27,7 +27,6 @@ typedef unsigned int umode_t;
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
-typedef u64 dma_addr_t;
 typedef u64 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/arm/include/asm/types.h

@@ -18,9 +18,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
 typedef u32 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/avr32/include/asm/types.h

@@ -23,14 +23,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 

arch/cris/include/asm/types.h

@@ -18,9 +18,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses are 32-bits wide, just like our other addresses.  */
- 
-typedef u32 dma_addr_t;
 typedef u32 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/frv/include/asm/types.h

@@ -27,14 +27,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_TYPES_H */

arch/h8300/include/asm/types.h

@@ -22,10 +22,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */

arch/ia64/include/asm/types.h

@@ -40,9 +40,6 @@ struct fnptr {
 	unsigned long gp;
 };
 
-/* DMA addresses are 64-bits wide, in general.  */
-typedef u64 dma_addr_t;
-
 # endif /* __KERNEL__ */
 #endif /* !__ASSEMBLY__ */
 

arch/m32r/include/asm/types.h

@@ -18,9 +18,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* DMA addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
 typedef u64 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/m68k/include/asm/types.h

@@ -25,9 +25,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* DMA addresses are always 32-bits wide */
-
-typedef u32 dma_addr_t;
 typedef u32 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/mips/include/asm/types.h

@@ -33,12 +33,6 @@ typedef unsigned short umode_t;
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
-#if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \
-    || defined(CONFIG_64BIT)
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 typedef u64 dma64_addr_t;
 
 /*

arch/mn10300/include/asm/types.h

@@ -26,13 +26,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-#ifndef __ASSEMBLY__
-
-/* Dma addresses are 32-bits wide.  */
-typedef u32 dma_addr_t;
-
-#endif /* __ASSEMBLY__ */
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_TYPES_H */

arch/parisc/include/asm/types.h

@@ -16,9 +16,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
 typedef u64 dma64_addr_t;
 
 #endif /* __ASSEMBLY__ */

arch/powerpc/include/asm/types.h

@@ -44,11 +44,6 @@ typedef struct {
 
 typedef __vector128 vector128;
 
-#if defined(__powerpc64__) || defined(CONFIG_PHYS_64BIT)
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 typedef u64 dma64_addr_t;
 
 typedef struct {

arch/s390/include/asm/types.h

@@ -31,12 +31,6 @@ typedef __signed__ long saddr_t;
 #ifndef __ASSEMBLY__
 
 typedef u64 dma64_addr_t;
-#ifdef __s390x__
-/* DMA addresses come in 32-bit and 64-bit flavours. */
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 
 #ifndef __s390x__
 typedef union {

arch/sparc/include/asm/types.h

@@ -22,10 +22,6 @@ typedef unsigned short umode_t;
 
 #ifndef __ASSEMBLY__
 
-/* Dma addresses come in generic and 64-bit flavours.  */
-
-typedef u32 dma_addr_t;
-
 #if defined(__arch64__)
 
 /*** SPARC 64 bit ***/

arch/x86/include/asm/types.h

@@ -1,20 +1,12 @@
 #ifndef _ASM_X86_TYPES_H
 #define _ASM_X86_TYPES_H
 
-#define dma_addr_t	dma_addr_t
-
 #include <asm-generic/types.h>
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
 
 typedef u64 dma64_addr_t;
-#if defined(CONFIG_X86_64) || defined(CONFIG_HIGHMEM64G)
-/* DMA addresses come in 32-bit and 64-bit flavours. */
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif
 
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */

arch/xtensa/include/asm/types.h

@@ -32,10 +32,6 @@ typedef unsigned short umode_t;
 
 #define BITS_PER_LONG 32
 
-/* Dma addresses are 32-bits wide.  */
-
-typedef u32 dma_addr_t;
-
 #endif	/* __KERNEL__ */
 #endif
 

include/asm-generic/types.h

@@ -12,31 +12,4 @@ typedef unsigned short umode_t;
 
 #endif /* __ASSEMBLY__ */
 
-/*
- * These aren't exported outside the kernel to avoid name space clashes
- */
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-/*
- * DMA addresses may be very different from physical addresses
- * and pointers. i386 and powerpc may have 64 bit DMA on 32 bit
- * systems, while sparc64 uses 32 bit DMA addresses for 64 bit
- * physical addresses.
- * This default defines dma_addr_t to have the same size as
- * phys_addr_t, which is the most common way.
- * Do not define the dma64_addr_t type, which never really
- * worked.
- */
-#ifndef dma_addr_t
-#ifdef CONFIG_PHYS_ADDR_T_64BIT
-typedef u64 dma_addr_t;
-#else
-typedef u32 dma_addr_t;
-#endif /* CONFIG_PHYS_ADDR_T_64BIT */
-#endif /* dma_addr_t */
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_GENERIC_TYPES_H */

include/linux/types.h

@@ -150,6 +150,12 @@ typedef unsigned long blkcnt_t;
 #define pgoff_t unsigned long
 #endif
 
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+typedef u64 dma_addr_t;
+#else
+typedef u32 dma_addr_t;
+#endif /* dma_addr_t */
+
 #endif /* __KERNEL__ */
 
 /*