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Date:	Mon, 15 Jul 2013 10:20:55 +0530
From:	Varun Sethi <Varun.Sethi@...escale.com>
To:	<joro@...tes.org>, <iommu@...ts.linux-foundation.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<benh@...nel.crashing.org>, <galak@...nel.crashing.org>,
	<alex.williamson@...hat.com>, <stuart.yoder@...escale.com>,
	<scottwood@...escale.com>
CC:	Varun Sethi <Varun.Sethi@...escale.com>
Subject: [PATCH 1/3] powerpc: Add iommu domain pointer to device archdata

Add an iommu domain pointer to device (powerpc) archdata.  Devices
are attached to iommu domains and this pointer provides a mechanism
to correlate between a device and the associated iommu domain.  This
field is set when a device is attached to a domain.

Signed-off-by: Varun Sethi <Varun.Sethi@...escale.com>
Acked-by: Kumar Gala <galak@...nel.crashing.org>
---
- rebased patch to 3.11-rc1
 arch/powerpc/include/asm/device.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 77e97dd..38faede 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,9 @@ struct dev_archdata {
 		void		*iommu_table_base;
 	} dma_data;
 
+#ifdef CONFIG_IOMMU_API
+	void			*iommu_domain;
+#endif
 #ifdef CONFIG_SWIOTLB
 	dma_addr_t		max_direct_dma_addr;
 #endif
-- 
1.7.4.1


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