remove needless ISA_DMA_THRESHOLD

Architectures don't need to define ISA_DMA_THRESHOLD anymore. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: James Bottomley <James.Bottomley@suse.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
mariux64 · Aug 7, 2010 · 7e005f7 · 7e005f7
1 parent bfe1723
commit 7e005f7
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diff --git a/arch/alpha/include/asm/scatterlist.h b/arch/alpha/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (~0UL)
-
 #endif /* !(_ALPHA_SCATTERLIST_H) */
diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0xffffffff)
-
 #endif /* __ASM_AVR32_SCATTERLIST_H */
diff --git a/arch/blackfin/include/asm/scatterlist.h b/arch/blackfin/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD	(0xffffffff)
-
 #endif				/* !(_BLACKFIN_SCATTERLIST_H) */
diff --git a/arch/cris/include/asm/scatterlist.h b/arch/cris/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0x1fffffff)
-
 #endif /* !(__ASM_CRIS_SCATTERLIST_H) */
diff --git a/arch/frv/include/asm/scatterlist.h b/arch/frv/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0xffffffffUL)
-
 #endif /* !_ASM_SCATTERLIST_H */
diff --git a/arch/h8300/include/asm/scatterlist.h b/arch/h8300/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD	(0xffffffff)
-
 #endif /* !(_H8300_SCATTERLIST_H) */
diff --git a/arch/ia64/include/asm/scatterlist.h b/arch/ia64/include/asm/scatterlist.h
@@ -2,15 +2,6 @@
 #define _ASM_IA64_SCATTERLIST_H
 
 #include <asm-generic/scatterlist.h>
-/*
- * It used to be that ISA_DMA_THRESHOLD had something to do with the
- * DMA-limits of ISA-devices.  Nowadays, its only remaining use (apart
- * from the aha1542.c driver, which isn't 64-bit clean anyhow) is to
- * tell the block-layer (via BLK_BOUNCE_ISA) what the max. physical
- * address of a page is that is allocated with GFP_DMA.  On IA-64,
- * that's 4GB - 1.
- */
-#define ISA_DMA_THRESHOLD	0xffffffff
 #define ARCH_HAS_SG_CHAIN
 
 #endif /* _ASM_IA64_SCATTERLIST_H */
diff --git a/arch/m32r/include/asm/scatterlist.h b/arch/m32r/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0x1fffffff)
-
 #endif /* _ASM_M32R_SCATTERLIST_H */
diff --git a/arch/m68k/include/asm/scatterlist.h b/arch/m68k/include/asm/scatterlist.h
@@ -3,7 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-/* This is bogus and should go away. */
-#define ISA_DMA_THRESHOLD (0x00ffffff)
-
 #endif /* !(_M68K_SCATTERLIST_H) */
diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h
@@ -1,3 +1 @@
 #include <asm-generic/scatterlist.h>
-
-#define ISA_DMA_THRESHOLD	(~0UL)
diff --git a/arch/mips/include/asm/scatterlist.h b/arch/mips/include/asm/scatterlist.h
@@ -3,6 +3,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0x00ffffffUL)
-
 #endif /* __ASM_SCATTERLIST_H */
diff --git a/arch/mn10300/include/asm/scatterlist.h b/arch/mn10300/include/asm/scatterlist.h
@@ -13,6 +13,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0x00ffffff)
-
 #endif /* _ASM_SCATTERLIST_H */
diff --git a/arch/parisc/include/asm/scatterlist.h b/arch/parisc/include/asm/scatterlist.h
@@ -5,7 +5,6 @@
 #include <asm/types.h>
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (~0UL)
 #define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
 
 #endif /* _ASM_PARISC_SCATTERLIST_H */
diff --git a/arch/powerpc/include/asm/scatterlist.h b/arch/powerpc/include/asm/scatterlist.h
@@ -12,9 +12,6 @@
 #include <asm/dma.h>
 #include <asm-generic/scatterlist.h>
 
-#ifdef __powerpc64__
-#define ISA_DMA_THRESHOLD	(~0UL)
-#endif
 #define ARCH_HAS_SG_CHAIN
 
 #endif /* _ASM_POWERPC_SCATTERLIST_H */
diff --git a/arch/s390/include/asm/scatterlist.h b/arch/s390/include/asm/scatterlist.h
@@ -1,3 +1 @@
-#define ISA_DMA_THRESHOLD	(~0UL)
-
 #include <asm-generic/scatterlist.h>
diff --git a/arch/score/include/asm/scatterlist.h b/arch/score/include/asm/scatterlist.h
@@ -1,8 +1,6 @@
 #ifndef _ASM_SCORE_SCATTERLIST_H
 #define _ASM_SCORE_SCATTERLIST_H
 
-#define ISA_DMA_THRESHOLD	(~0UL)
-
 #include <asm-generic/scatterlist.h>
 
 #endif /* _ASM_SCORE_SCATTERLIST_H */
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h
@@ -1,8 +1,6 @@
 #ifndef __ASM_SH_SCATTERLIST_H
 #define __ASM_SH_SCATTERLIST_H
 
-#define ISA_DMA_THRESHOLD	phys_addr_mask()
-
 #include <asm-generic/scatterlist.h>
 
 #endif /* __ASM_SH_SCATTERLIST_H */
diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h
@@ -3,7 +3,6 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD	(~0UL)
 #define ARCH_HAS_SG_CHAIN
 
 #endif /* !(_SPARC_SCATTERLIST_H) */
diff --git a/arch/x86/include/asm/scatterlist.h b/arch/x86/include/asm/scatterlist.h
@@ -3,7 +3,6 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (0x00ffffff)
 #define ARCH_HAS_SG_CHAIN
 
 #endif /* _ASM_X86_SCATTERLIST_H */
diff --git a/arch/xtensa/include/asm/scatterlist.h b/arch/xtensa/include/asm/scatterlist.h
@@ -13,6 +13,4 @@
 
 #include <asm-generic/scatterlist.h>
 
-#define ISA_DMA_THRESHOLD (~0UL)
-
 #endif	/* _XTENSA_SCATTERLIST_H */