[PATCH] powerpc: IOMMU support for honoring dma_mask
Some devices don't support full 32-bit DMA address space, which we currently
assume. Add the required mask-passing to the IOMMU allocators.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 13c655b..971020c 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -202,7 +202,7 @@
size_t size, enum dma_data_direction direction)
{
return iommu_map_single(to_vio_dev(dev)->iommu_table, vaddr, size,
- direction);
+ ~0ul, direction);
}
static void vio_unmap_single(struct device *dev, dma_addr_t dma_handle,
@@ -216,7 +216,7 @@
int nelems, enum dma_data_direction direction)
{
return iommu_map_sg(dev, to_vio_dev(dev)->iommu_table, sglist,
- nelems, direction);
+ nelems, ~0ul, direction);
}
static void vio_unmap_sg(struct device *dev, struct scatterlist *sglist,
@@ -229,7 +229,7 @@
dma_addr_t *dma_handle, gfp_t flag)
{
return iommu_alloc_coherent(to_vio_dev(dev)->iommu_table, size,
- dma_handle, flag);
+ dma_handle, ~0ul, flag);
}
static void vio_free_coherent(struct device *dev, size_t size,