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    Subject[PATCH 1/3 v2] iommu/fsl: Store iommu domain information pointer in archdata.
    Date
    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>
    ---
    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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