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authorJoerg Roedel <joerg.roedel@amd.com>2008-08-19 10:32:41 -0400
committerIngo Molnar <mingo@elte.hu>2008-08-22 02:34:47 -0400
commite4ad68b651f22fa71820c0b30bb2807999b2b49f (patch)
treed66553173f7d6de7b3d83133f276b22aae7a05f7 /arch/x86/kernel/pci-calgary_64.c
parent43a5a5a09b8cfd56047706cf904718d073ccfd33 (diff)
x86: add free_coherent dma_ops callback to Calgary IOMMU driver
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/pci-calgary_64.c')
-rw-r--r--arch/x86/kernel/pci-calgary_64.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 218d783ed7a8..afb020fdb19c 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -511,8 +511,22 @@ error:
511 return ret; 511 return ret;
512} 512}
513 513
514static void calgary_free_coherent(struct device *dev, size_t size,
515 void *vaddr, dma_addr_t dma_handle)
516{
517 unsigned int npages;
518 struct iommu_table *tbl = find_iommu_table(dev);
519
520 size = PAGE_ALIGN(size);
521 npages = size >> PAGE_SHIFT;
522
523 iommu_free(tbl, dma_handle, npages);
524 free_pages((unsigned long)vaddr, get_order(size));
525}
526
514static struct dma_mapping_ops calgary_dma_ops = { 527static struct dma_mapping_ops calgary_dma_ops = {
515 .alloc_coherent = calgary_alloc_coherent, 528 .alloc_coherent = calgary_alloc_coherent,
529 .free_coherent = calgary_free_coherent,
516 .map_single = calgary_map_single, 530 .map_single = calgary_map_single,
517 .unmap_single = calgary_unmap_single, 531 .unmap_single = calgary_unmap_single,
518 .map_sg = calgary_map_sg, 532 .map_sg = calgary_map_sg,