From: Wan Zongshun <vincent.wan@amd.com>
To: Joerg Roedel <joro@8bytes.org>, <iommu@lists.linux-foundation.org>
CC: <vw@iommu.org>, <mcuos.com@gmail.com>, <linux-kernel@vger.kernel.org>,
        "Wan Zongshun" <Vincent.Wan@amd.com>
Subject: [PATCH] iommu/amd: Set AMD iommu callbacks for platform bus driver
Date: Thu, 14 Apr 2016 09:28:53 -0400
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From: Wan Zongshun <Vincent.Wan@amd.com>

AMD has more drivers will use ACPI to platform bus driver later,
all those devices need iommu support, such as eMMC acpi driver.

Signed-off-by: Wan Zongshun <Vincent.Wan@amd.com>
---
 drivers/iommu/amd_iommu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index c430c10..547cdd4 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -21,6 +21,7 @@
 #include <linux/pci.h>
 #include <linux/acpi.h>
 #include <linux/amba/bus.h>
+#include <linux/platform_device.h>
 #include <linux/pci-ats.h>
 #include <linux/bitmap.h>
 #include <linux/slab.h>
@@ -2980,6 +2981,9 @@ int __init amd_iommu_init_api(void)
 	if (err)
 		return err;
 #endif
+	err = bus_set_iommu(&platform_bus_type, &amd_iommu_ops);
+	if (err)
+		return err;
 	return 0;
 }
 
-- 
1.9.1