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

[Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>]

On Mon, Feb 18, 2013 at 06:22:14PM +0530, Varun Sethi wrote:
> 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-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
> ---
> - 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;

Please Cc the PowerPC Maintainers on this, so that they can have a look
at it. This also must be put this into an #ifdef CONFIG_IOMMU_API.


	Joerg