linux-kernel - Re: [PATCH 1/4 v2] iommu/fsl: Store iommu domain information pointer in archdata.

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Date:	Wed, 28 Nov 2012 11:35:28 -0600
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Sethi Varun-B16395 <B16395@...escale.com>
Cc:	"joerg.roedel@....com" <joerg.roedel@....com>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Wood Scott-B07421 <B07421@...escale.com>,
	Tabi Timur-B04825 <B04825@...escale.com>
Subject: Re: [PATCH 1/4 v2] iommu/fsl: Store iommu domain information pointer in archdata.


On Nov 25, 2012, at 11:33 PM, Sethi Varun-B16395 wrote:

> Hi Kumar,
> Can you please apply this patch.
> 
> Regards
> Varun

Was waiting on the others to apply this all together.  (ie getting an Ack from Joerg, and follow comments from Timur to be resolved)

- k

> 
>> -----Original Message-----
>> From: Sethi Varun-B16395
>> Sent: Tuesday, November 20, 2012 7:25 PM
>> To: joerg.roedel@....com; iommu@...ts.linux-foundation.org; linuxppc-
>> dev@...ts.ozlabs.org; linux-kernel@...r.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.
>> 
>> 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>
>> ---
>> 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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