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powerpc: Change archdata dma_data to a union

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Sometimes this is used to hold a simple offset, and sometimes
it is used to hold a pointer.  This patch changes it to a union containing
void * and dma_addr_t.  get/set accessors are also provided, because it was
getting a bit ugly to get to the actual data.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Becky Bruce
2009-09-21 08:26:35 +00:00
committed by Benjamin Herrenschmidt
parent 1cebd7a0f6
commit 738ef42e32
12 changed files with 49 additions and 27 deletions
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2
arch/powerpc/sysdev/dart_iommu.c
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@@ -297,7 +297,7 @@ static void pci_dma_dev_setup_dart(struct pci_dev *dev)
/* We only have one iommu table on the mac for now, which makes
* things simple. Setup all PCI devices to point to this table
*/
dev->dev.archdata.dma_data = &iommu_table_dart;
set_iommu_table_base(&dev->dev, &iommu_table_dart);
}
static void pci_dma_bus_setup_dart(struct pci_bus *bus)