linux-kernel - [PATCH 25/27] iommu/irq: Use amd_iommu_irq

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Message-ID: <1342013952-10174-26-git-send-email-joerg.roedel@amd.com>
Date:	Wed, 11 Jul 2012 15:39:10 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	<iommu@...ts.linux-foundation.org>
CC:	<linux-kernel@...r.kernel.org>, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 25/27] iommu/irq: Use amd_iommu_irq_ops if supported

Finally enable interrupt remapping for AMD systems.

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

diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 9276996..92ce0c7 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -51,6 +51,11 @@ 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)
-- 
1.7.9.5


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