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Date: Fri, 3 Sep 2010 09:49:16 +0900
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To: akpm@...ux-foundation.org
Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
fujita.tomonori@....ntt.co.jp, arnd@...db.de
Subject: [PATCH -mm 8/8] 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@....ntt.co.jp>
Cc: arnd@...db.de
---
arch/alpha/include/asm/types.h | 1 -
arch/arm/include/asm/types.h | 3 ---
arch/avr32/include/asm/types.h | 8 --------
arch/cris/include/asm/types.h | 3 ---
arch/frv/include/asm/types.h | 8 --------
arch/h8300/include/asm/types.h | 4 ----
arch/ia64/include/asm/types.h | 3 ---
arch/m32r/include/asm/types.h | 3 ---
arch/m68k/include/asm/types.h | 3 ---
arch/mips/include/asm/types.h | 6 ------
arch/mn10300/include/asm/types.h | 7 -------
arch/parisc/include/asm/types.h | 3 ---
arch/powerpc/include/asm/types.h | 5 -----
arch/s390/include/asm/types.h | 6 ------
arch/sparc/include/asm/types.h | 4 ----
arch/x86/include/asm/types.h | 8 --------
arch/xtensa/include/asm/types.h | 4 ----
include/asm-generic/types.h | 27 ---------------------------
include/linux/types.h | 6 ++++++
19 files changed, 6 insertions(+), 106 deletions(-)
diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h
index bd621ec..e46e503 100644
--- a/arch/alpha/include/asm/types.h
+++ b/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__ */
diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h
index 345df01..c684e37 100644
--- a/arch/arm/include/asm/types.h
+++ b/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__ */
diff --git a/arch/avr32/include/asm/types.h b/arch/avr32/include/asm/types.h
index 9cefda6..72667a3 100644
--- a/arch/avr32/include/asm/types.h
+++ b/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__ */
diff --git a/arch/cris/include/asm/types.h b/arch/cris/include/asm/types.h
index 5790262..4405508 100644
--- a/arch/cris/include/asm/types.h
+++ b/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__ */
diff --git a/arch/frv/include/asm/types.h b/arch/frv/include/asm/types.h
index 613bf1e..aa3e7fd 100644
--- a/arch/frv/include/asm/types.h
+++ b/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 */
diff --git a/arch/h8300/include/asm/types.h b/arch/h8300/include/asm/types.h
index 1287519..bb2c91a 100644
--- a/arch/h8300/include/asm/types.h
+++ b/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__ */
diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h
index 93773fd..82b3939 100644
--- a/arch/ia64/include/asm/types.h
+++ b/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__ */
diff --git a/arch/m32r/include/asm/types.h b/arch/m32r/include/asm/types.h
index bc9f7ff..fd84b48 100644
--- a/arch/m32r/include/asm/types.h
+++ b/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__ */
diff --git a/arch/m68k/include/asm/types.h b/arch/m68k/include/asm/types.h
index 6441cb5..10ad92f 100644
--- a/arch/m68k/include/asm/types.h
+++ b/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__ */
diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h
index 544a285..9520dc8 100644
--- a/arch/mips/include/asm/types.h
+++ b/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;
/*
diff --git a/arch/mn10300/include/asm/types.h b/arch/mn10300/include/asm/types.h
index 7b9f010..c1833eb 100644
--- a/arch/mn10300/include/asm/types.h
+++ b/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 */
diff --git a/arch/parisc/include/asm/types.h b/arch/parisc/include/asm/types.h
index 20135cc..bc164dd 100644
--- a/arch/parisc/include/asm/types.h
+++ b/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__ */
diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h
index a5aea0c..e16a6b2 100644
--- a/arch/powerpc/include/asm/types.h
+++ b/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 {
diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h
index 04d6b95..f7f6ae6 100644
--- a/arch/s390/include/asm/types.h
+++ b/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 {
diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h
index 09c79a9..f02d330 100644
--- a/arch/sparc/include/asm/types.h
+++ b/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 ***/
diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h
index df1da20..8810205 100644
--- a/arch/x86/include/asm/types.h
+++ b/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__ */
diff --git a/arch/xtensa/include/asm/types.h b/arch/xtensa/include/asm/types.h
index c89569a..b1c981e 100644
--- a/arch/xtensa/include/asm/types.h
+++ b/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
diff --git a/include/asm-generic/types.h b/include/asm-generic/types.h
index fba7d33..7a0f69e 100644
--- a/include/asm-generic/types.h
+++ b/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 */
diff --git a/include/linux/types.h b/include/linux/types.h
index 01a082f..266f1d0 100644
--- a/include/linux/types.h
+++ b/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__ */
/*
--
1.7.1
--
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