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    Subject[PATCH 26/28] iommu/irq: Use amd_iommu_irq_ops if supported
    Date
    Finally enable interrupt remapping for AMD systems.

    Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    ---
    drivers/iommu/irq_remapping.c | 5 +++++
    drivers/iommu/irq_remapping.h | 1 +
    2 files changed, 6 insertions(+)

    diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
    index 7a880c3..e2c06c1 100644
    --- a/drivers/iommu/irq_remapping.c
    +++ b/drivers/iommu/irq_remapping.c
    @@ -47,6 +47,11 @@ early_param("intremap", setup_irqremap);
    void __init setup_irq_remapping_ops(void)
    {
    remap_ops = &intel_irq_remap_ops;
    +
    +#ifdef CONFIG_AMD_IOMMU
    + if (amd_iommu_irq_ops.prepare() == 0)
    + remap_ops = &amd_iommu_irq_ops;
    +#endif
    }

    int irq_remapping_supported(void)
    diff --git a/drivers/iommu/irq_remapping.h b/drivers/iommu/irq_remapping.h
    index b3f70c9..915a247 100644
    --- a/drivers/iommu/irq_remapping.h
    +++ b/drivers/iommu/irq_remapping.h
    @@ -84,6 +84,7 @@ struct irq_remap_ops {
    };

    extern struct irq_remap_ops intel_irq_remap_ops;
    +extern struct irq_remap_ops amd_iommu_irq_ops;

    #else /* CONFIG_IRQ_REMAP */

    --
    1.7.9.5



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