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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-23 17:53:41 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-23 17:53:41 +0200
commitba1c28a94322865457ad59f80474615156065123 (patch)
treea1de9e1b7aba07583e49ff1c3f1c495cf148475a /include
parentMerge branch 'linus' of master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa (diff)
parentsparc64: zero out dma_length (diff)
downloadlinux-ba1c28a94322865457ad59f80474615156065123.tar.xz
linux-ba1c28a94322865457ad59f80474615156065123.zip
Merge branch 'sg' of git://git.kernel.dk/linux-2.6-block
* 'sg' of git://git.kernel.dk/linux-2.6-block: sparc64: zero out dma_length fvr32: fixup dma-mapping for new sg layout sh/sh64: fixup dma-mapping for new sg layout Fix sctp compile m68knommu: remove sg_address() frv: update comment in scatterlist to reflect new setup blackfin: remove sg_address() arm: sg fallout mips: sg_page() fallout alpha: sg_virt() fallout intel-iommu: fix sg_page() parisc: fix sg_page() fallout ide: build fix net: fix xfrm build - missing scatterlist.h include [BLOCK] blk_rq_map_sg: force clear termination bit [BLOCK] Don't clear sg_dma_len/addr() in blk_rq_map_sg() s390 zfcp: sg fixups powerpc: Fix fallout from sg_page() changes IB/ehca: Fix sg_page() fallout arm: build fix
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/dma-mapping.h10
-rw-r--r--include/asm-avr32/dma-mapping.h7
-rw-r--r--include/asm-blackfin/scatterlist.h1
-rw-r--r--include/asm-frv/scatterlist.h8
-rw-r--r--include/asm-m68knommu/scatterlist.h1
-rw-r--r--include/asm-parisc/scatterlist.h2
-rw-r--r--include/asm-powerpc/dma-mapping.h10
-rw-r--r--include/asm-sh/dma-mapping.h12
-rw-r--r--include/asm-sh64/dma-mapping.h12
9 files changed, 28 insertions, 35 deletions
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index 1eb8aac43228..e99406a7bece 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -5,7 +5,7 @@
#include <linux/mm.h> /* need struct page */
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
/*
* DMA-consistent mapping functions. These allocate/free a region of
@@ -274,8 +274,8 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
for (i = 0; i < nents; i++, sg++) {
char *virt;
- sg->dma_address = page_to_dma(dev, sg->page) + sg->offset;
- virt = page_address(sg->page) + sg->offset;
+ sg->dma_address = page_to_dma(dev, sg_page(sg)) + sg->offset;
+ virt = sg_virt(sg);
if (!arch_is_coherent())
dma_cache_maint(virt, sg->length, dir);
@@ -371,7 +371,7 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
int i;
for (i = 0; i < nents; i++, sg++) {
- char *virt = page_address(sg->page) + sg->offset;
+ char *virt = sg_virt(sg);
if (!arch_is_coherent())
dma_cache_maint(virt, sg->length, dir);
}
@@ -384,7 +384,7 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
int i;
for (i = 0; i < nents; i++, sg++) {
- char *virt = page_address(sg->page) + sg->offset;
+ char *virt = sg_virt(sg);
if (!arch_is_coherent())
dma_cache_maint(virt, sg->length, dir);
}
diff --git a/include/asm-avr32/dma-mapping.h b/include/asm-avr32/dma-mapping.h
index 81e342636ac4..a7131630c057 100644
--- a/include/asm-avr32/dma-mapping.h
+++ b/include/asm-avr32/dma-mapping.h
@@ -217,8 +217,8 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
for (i = 0; i < nents; i++) {
char *virt;
- sg[i].dma_address = page_to_bus(sg[i].page) + sg[i].offset;
- virt = page_address(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = page_to_bus(sg_page(&sg[i])) + sg[i].offset;
+ virt = sg_virt(&sg[i]);
dma_cache_sync(dev, virt, sg[i].length, direction);
}
@@ -327,8 +327,7 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
int i;
for (i = 0; i < nents; i++) {
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, direction);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, direction);
}
}
diff --git a/include/asm-blackfin/scatterlist.h b/include/asm-blackfin/scatterlist.h
index 32128d53469b..04f448711cd0 100644
--- a/include/asm-blackfin/scatterlist.h
+++ b/include/asm-blackfin/scatterlist.h
@@ -20,7 +20,6 @@ struct scatterlist {
* returns, or alternatively stop on the first sg_dma_len(sg) which
* is 0.
*/
-#define sg_address(sg) (page_address((sg)->page) + (sg)->offset)
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
diff --git a/include/asm-frv/scatterlist.h b/include/asm-frv/scatterlist.h
index f7da007b763c..99ba76edc42a 100644
--- a/include/asm-frv/scatterlist.h
+++ b/include/asm-frv/scatterlist.h
@@ -4,19 +4,19 @@
#include <asm/types.h>
/*
- * Drivers must set either ->address or (preferred) ->page and ->offset
+ * Drivers must set either ->address or (preferred) page and ->offset
* to indicate where data must be transferred to/from.
*
- * Using ->page is recommended since it handles highmem data as well as
+ * Using page is recommended since it handles highmem data as well as
* low mem. ->address is restricted to data which has a virtual mapping, and
- * it will go away in the future. Updating to ->page can be automated very
+ * it will go away in the future. Updating to page can be automated very
* easily -- something like
*
* sg->address = some_ptr;
*
* can be rewritten as
*
- * sg->page = virt_to_page(some_ptr);
+ * sg_set_page(virt_to_page(some_ptr));
* sg->offset = (unsigned long) some_ptr & ~PAGE_MASK;
*
* and that's it. There's no excuse for not highmem enabling YOUR driver. /jens
diff --git a/include/asm-m68knommu/scatterlist.h b/include/asm-m68knommu/scatterlist.h
index 10942840e88f..afc4788b0d2c 100644
--- a/include/asm-m68knommu/scatterlist.h
+++ b/include/asm-m68knommu/scatterlist.h
@@ -14,7 +14,6 @@ struct scatterlist {
unsigned int length;
};
-#define sg_address(sg) (page_address((sg)->page) + (sg)->offset)
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->length)
diff --git a/include/asm-parisc/scatterlist.h b/include/asm-parisc/scatterlist.h
index cd3cfdf82289..62269b31ebf4 100644
--- a/include/asm-parisc/scatterlist.h
+++ b/include/asm-parisc/scatterlist.h
@@ -18,7 +18,7 @@ struct scatterlist {
__u32 iova_length; /* bytes mapped */
};
-#define sg_virt_addr(sg) ((unsigned long)(page_address(sg->page) + sg->offset))
+#define sg_virt_addr(sg) ((unsigned long)sg_virt(sg))
#define sg_dma_address(sg) ((sg)->iova)
#define sg_dma_len(sg) ((sg)->iova_length)
diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h
index 65be95dd03a5..ff52013c0e2d 100644
--- a/include/asm-powerpc/dma-mapping.h
+++ b/include/asm-powerpc/dma-mapping.h
@@ -285,9 +285,9 @@ dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
BUG_ON(direction == DMA_NONE);
for_each_sg(sgl, sg, nents, i) {
- BUG_ON(!sg->page);
- __dma_sync_page(sg->page, sg->offset, sg->length, direction);
- sg->dma_address = page_to_bus(sg->page) + sg->offset;
+ BUG_ON(!sg_page(sg));
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
+ sg->dma_address = page_to_bus(sg_page(sg)) + sg->offset;
}
return nents;
@@ -328,7 +328,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
BUG_ON(direction == DMA_NONE);
for_each_sg(sgl, sg, nents, i)
- __dma_sync_page(sg->page, sg->offset, sg->length, direction);
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}
static inline void dma_sync_sg_for_device(struct device *dev,
@@ -341,7 +341,7 @@ static inline void dma_sync_sg_for_device(struct device *dev,
BUG_ON(direction == DMA_NONE);
for_each_sg(sgl, sg, nents, i)
- __dma_sync_page(sg->page, sg->offset, sg->length, direction);
+ __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
}
static inline int dma_mapping_error(dma_addr_t dma_addr)
diff --git a/include/asm-sh/dma-mapping.h b/include/asm-sh/dma-mapping.h
index 84fefdaa01a5..fcea067f7a9c 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -2,7 +2,7 @@
#define __ASM_SH_DMA_MAPPING_H
#include <linux/mm.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/cacheflush.h>
#include <asm/io.h>
@@ -85,10 +85,9 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
for (i = 0; i < nents; i++) {
#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, dir);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
- sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = sg_phys(&sg[i]);
}
return nents;
@@ -138,10 +137,9 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
for (i = 0; i < nelems; i++) {
#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, dir);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
- sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = sg_phys(&sg[i]);
}
}
diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index e661857f98dc..1438b763a5ea 100644
--- a/include/asm-sh64/dma-mapping.h
+++ b/include/asm-sh64/dma-mapping.h
@@ -2,7 +2,7 @@
#define __ASM_SH_DMA_MAPPING_H
#include <linux/mm.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
struct pci_dev;
@@ -71,10 +71,9 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
for (i = 0; i < nents; i++) {
#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, dir);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
- sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = sg_phys(&sg[i]);
}
return nents;
@@ -124,10 +123,9 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
for (i = 0; i < nelems; i++) {
#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
- dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
- sg[i].length, dir);
+ dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
- sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+ sg[i].dma_address = sg_phys(&sg[i]);
}
}