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authorIngo Molnar <mingo@elte.hu>2008-04-19 19:19:56 +0200
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:19:56 +0200
commit2be621498d461b63ca6124f86e3b9582e1a8e722 (patch)
tree5b2e3af9ca287c7742f59f909cbce0e7bca3f333 /arch/x86/kernel/pci-gart_64.c
parent4d92fbf231fe23ec07d18820a141c573a7f5017a (diff)
x86: dma-ops on highmem fix
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/pci-gart_64.c')
-rw-r--r--arch/x86/kernel/pci-gart_64.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 700e4647dd3..c07455d1695 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -264,9 +264,9 @@ static dma_addr_t dma_map_area(struct device *dev, dma_addr_t phys_mem,
}
static dma_addr_t
-gart_map_simple(struct device *dev, char *buf, size_t size, int dir)
+gart_map_simple(struct device *dev, phys_addr_t paddr, size_t size, int dir)
{
- dma_addr_t map = dma_map_area(dev, virt_to_bus(buf), size, dir);
+ dma_addr_t map = dma_map_area(dev, paddr, size, dir);
flush_gart();
@@ -275,18 +275,17 @@ gart_map_simple(struct device *dev, char *buf, size_t size, int dir)
/* Map a single area into the IOMMU */
static dma_addr_t
-gart_map_single(struct device *dev, void *addr, size_t size, int dir)
+gart_map_single(struct device *dev, phys_addr_t paddr, size_t size, int dir)
{
- unsigned long phys_mem, bus;
+ unsigned long bus;
if (!dev)
dev = &fallback_dev;
- phys_mem = virt_to_phys(addr);
- if (!need_iommu(dev, phys_mem, size))
- return phys_mem;
+ if (!need_iommu(dev, paddr, size))
+ return paddr;
- bus = gart_map_simple(dev, addr, size, dir);
+ bus = gart_map_simple(dev, paddr, size, dir);
return bus;
}