linux-kernel - [PATCH 1/6 v8] iommu/fsl: Store iommu domain information pointer in archdata.

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Message-ID: <1361191939-21260-2-git-send-email-Varun.Sethi@freescale.com>
Date:	Mon, 18 Feb 2013 18:22:14 +0530
From:	Varun Sethi <Varun.Sethi@...escale.com>
To:	<iommu@...ts.linux-foundation.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<scottwood@...escale.com>, <joro@...tes.org>,
	<stuart.yoder@...escale.com>
CC:	Varun Sethi <Varun.Sethi@...escale.com>
Subject: [PATCH 1/6 v8] iommu/fsl: Store iommu domain information pointer in archdata.

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@...escale.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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