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authorJens Axboe <jens.axboe@oracle.com>2007-10-22 20:02:46 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-22 21:19:59 +0200
commit58b053e4ce9d2fc3023645c1b96e537c72aa8d9a (patch)
tree35fbd72eb62a37375bc06c01e356afd7da0c9693 /arch/x86
parentf9527f121bd42c5d300815fbf12216bc1a63f60f (diff)
Update arch/ to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/pci-calgary_64.c10
-rw-r--r--arch/x86/kernel/pci-gart_64.c4
-rw-r--r--arch/x86/kernel/pci-nommu_64.c4
3 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 5098f58063a..1a20fe31338 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -411,8 +411,10 @@ static int calgary_nontranslate_map_sg(struct device* dev,
int i;
for_each_sg(sg, s, nelems, i) {
- BUG_ON(!s->page);
- s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
+ struct page *p = sg_page(s);
+
+ BUG_ON(!p);
+ s->dma_address = virt_to_bus(sg_virt(s));
s->dma_length = s->length;
}
return nelems;
@@ -432,9 +434,9 @@ static int calgary_map_sg(struct device *dev, struct scatterlist *sg,
return calgary_nontranslate_map_sg(dev, sg, nelems, direction);
for_each_sg(sg, s, nelems, i) {
- BUG_ON(!s->page);
+ BUG_ON(!sg_page(s));
- vaddr = (unsigned long)page_address(s->page) + s->offset;
+ vaddr = (unsigned long) sg_virt(s);
npages = num_dma_pages(vaddr, s->length);
entry = iommu_range_alloc(tbl, npages);
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 5cdfab65e93..c56e9ee6496 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -302,7 +302,7 @@ static int dma_map_sg_nonforce(struct device *dev, struct scatterlist *sg,
#endif
for_each_sg(sg, s, nents, i) {
- unsigned long addr = page_to_phys(s->page) + s->offset;
+ unsigned long addr = sg_phys(s);
if (nonforced_iommu(dev, addr, s->length)) {
addr = dma_map_area(dev, addr, s->length, dir);
if (addr == bad_dma_address) {
@@ -397,7 +397,7 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
start_sg = sgmap = sg;
ps = NULL; /* shut up gcc */
for_each_sg(sg, s, nents, i) {
- dma_addr_t addr = page_to_phys(s->page) + s->offset;
+ dma_addr_t addr = sg_phys(s);
s->dma_address = addr;
BUG_ON(s->length == 0);
diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c
index e85d4360360..faf70bdca33 100644
--- a/arch/x86/kernel/pci-nommu_64.c
+++ b/arch/x86/kernel/pci-nommu_64.c
@@ -62,8 +62,8 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
int i;
for_each_sg(sg, s, nents, i) {
- BUG_ON(!s->page);
- s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
+ BUG_ON(!sg_page(s));
+ s->dma_address = virt_to_bus(sg_virt(s));
if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
return 0;
s->dma_length = s->length;