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

Joerg Roedel
2013-02-27T11:30:50Z

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@freescale.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;

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