[PATCH 1/7] Set archdata.dma_data for direct DMA in cell_dma_dev_setup()
From: Michael Ellerman <hidden>
Date: 2007-12-05 07:20:57
Subsystem:
cell broadband engine architecture, linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Store a pointer to the direct_dma_offset in each device's dma_data in the case where we're using the direct DMA ops. Signed-off-by: Michael Ellerman <redacted> --- arch/powerpc/platforms/cell/iommu.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index faabc3f..2edb1ad 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c@@ -495,9 +495,10 @@ static void cell_dma_dev_setup(struct device *dev) struct cbe_iommu *iommu; struct dev_archdata *archdata = &dev->archdata; - /* If we run without iommu, no need to do anything */ - if (get_pci_dma_ops() == &dma_direct_ops) + if (get_pci_dma_ops() == &dma_direct_ops) { + archdata->dma_data = &dma_direct_offset; return; + } /* Current implementation uses the first window available in that * node's iommu. We -might- do something smarter later though it may
--
1.5.3.7.1.g4e596e