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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/kernel/pci-common.c
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@@ -1117,7 +1117,7 @@ void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
/* Hook up default DMA ops */
sd->dma_ops = pci_dma_ops;
sd->dma_data = (void *)PCI_DRAM_OFFSET;
set_dma_offset(&dev->dev, PCI_DRAM_OFFSET);
/* Additional platform DMA/iommu setup */
if (ppc_md.pci_dma_dev_setup)