[PATCH 1/3 v2] iommu/fsl: Store iommu domain information pointer in archdata.

From: Varun Sethi
Date: Wed Oct 17 2012 - 13:38:13 EST

Add a new field in the device (powerpc) archdata structure for storing iommu domain
information pointer. This pointer is stored when the device is attached to a particular

Signed-off-by: Varun Sethi <Varun.Sethi@xxxxxxxxxxxxx>
arch/powerpc/include/asm/device.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 77e97dd..6dc79fe 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,10 @@ struct dev_archdata {
void *iommu_table_base;
} dma_data;

+ /* IOMMU domain information pointer. This would be set
+ * when this device is attached to an iommu_domain.
+ */
+ void *iommu_domain;
dma_addr_t max_direct_dma_addr;

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