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Subject[PATCH 1/6 v8] iommu/fsl: Store iommu domain information pointer in archdata.
Date
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
domain.


Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
---
- no change.
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;
#ifdef CONFIG_SWIOTLB
dma_addr_t max_direct_dma_addr;
#endif
--
1.7.4.1



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