diff options
| author | Michael Ellerman <michael@ellerman.id.au> | 2008-01-21 16:42:45 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-01-25 22:52:54 +1100 |
| commit | f5d67bd5ecd90cc03eb84f709ab83ccc05a37eee (patch) | |
| tree | 9a87802c7cde50465be11023202c3abef2d8758c /arch | |
| parent | 35e4a6e26d0c6bc7f32087db61f0fb3666531183 (diff) | |
[POWERPC] Have cell use its own dma_direct_offset variable
Rather than using the global variable, have cell use its own variable
to store the direct DMA offset.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/cell/iommu.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 9682b63dfc78..7f45d59cdf2a 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -490,6 +490,8 @@ static struct cbe_iommu *cell_iommu_for_node(int nid) return NULL; } +static unsigned long cell_dma_direct_offset; + static void cell_dma_dev_setup(struct device *dev) { struct iommu_window *window; @@ -497,7 +499,7 @@ static void cell_dma_dev_setup(struct device *dev) struct dev_archdata *archdata = &dev->archdata; if (get_pci_dma_ops() == &dma_direct_ops) { - archdata->dma_data = (void *)dma_direct_offset; + archdata->dma_data = (void *)cell_dma_direct_offset; return; } @@ -655,7 +657,7 @@ static int __init cell_iommu_init_disabled(void) /* If we have no Axon, we set up the spider DMA magic offset */ if (of_find_node_by_name(NULL, "axon") == NULL) - dma_direct_offset = SPIDER_DMA_OFFSET; + cell_dma_direct_offset = SPIDER_DMA_OFFSET; /* Now we need to check to see where the memory is mapped * in PCI space. We assume that all busses use the same dma @@ -689,13 +691,13 @@ static int __init cell_iommu_init_disabled(void) return -ENODEV; } - dma_direct_offset += base; + cell_dma_direct_offset += base; - if (dma_direct_offset != 0) + if (cell_dma_direct_offset != 0) ppc_md.pci_dma_dev_setup = cell_pci_dma_dev_setup; printk("iommu: disabled, direct DMA offset is 0x%lx\n", - dma_direct_offset); + cell_dma_direct_offset); return 0; } |