x86: dma-ops on highmem fix

[deliverable/linux.git] / arch / x86 / kernel / pci-nommu_64.c

diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c
index e85d4360360c68fe6db2166194e8a748f709f1f2..6e330769d0174c5a0c3014ed2bac7f25fe70f4cc 100644 (file)
--- a/arch/x86/kernel/pci-nommu_64.c
+++ b/arch/x86/kernel/pci-nommu_64.c
@@ -7,7 +7,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/scatterlist.h>
 
-#include <asm/iommu.h>
+#include <asm/gart.h>
 #include <asm/processor.h>
 #include <asm/dma.h>
 
@@ -26,10 +26,10 @@ check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size)
 }
 
 static dma_addr_t
-nommu_map_single(struct device *hwdev, void *ptr, size_t size,
+nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size,
               int direction)
 {
-       dma_addr_t bus = virt_to_bus(ptr);
+       dma_addr_t bus = paddr;
        if (!check_addr("map_single", hwdev, bus, size))
                                return bad_dma_address;
        return bus;
@@ -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;