linux-kernel - [PATCH] iommu/amd: Set AMD iommu callbacks for platform bus driver

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Message-ID: <1460640533-3025-1-git-send-email-vincent.wan@amd.com>
Date:	Thu, 14 Apr 2016 09:28:53 -0400
From:	Wan Zongshun <vincent.wan@....com>
To:	Joerg Roedel <joro@...tes.org>, <iommu@...ts.linux-foundation.org>
CC:	<vw@...mu.org>, <mcuos.com@...il.com>,
	<linux-kernel@...r.kernel.org>,
	"Wan Zongshun" <Vincent.Wan@....com>
Subject: [PATCH] iommu/amd: Set AMD iommu callbacks for platform bus driver

From: Wan Zongshun <Vincent.Wan@....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@....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