-----Original Message-----
From: Sethi Varun-B16395
Sent: Tuesday, November 20, 2012 7:25 PM
To: joerg.roedel@amd.com; iommu@lists.linux-foundation.org; linuxppc-
dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; Wood Scott-B07421;
Tabi Timur-B04825
Cc: Sethi Varun-B16395
Subject: [PATCH 1/4 v2] iommu/fsl: Store iommu domain information pointer
in archdata.
=20
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.
=20
Signed-off-by: Varun Sethi <redacted>
---
 arch/powerpc/include/asm/device.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
=20

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;

=20
+	/* 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