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[10/13] iommu: Add iommu_device_set_fwnode() interface

Message ID 20170516201136.4603-11-manoj.iyer@canonical.com
State New
Headers show

Commit Message

Manoj Iyer May 16, 2017, 8:11 p.m. UTC 
From: Joerg Roedel <jroedel@suse.de>

Allow to store a fwnode in 'struct iommu_device';

BugLink: http://bugs.launchpad.net/bugs/1688158

Signed-off-by: Joerg Roedel <jroedel@suse.de>
(cherry picked from commit c73e1ac8b2bc6ab18d9f9a96b17ee7388b49a0c0)
Signed-off-by: Manoj Iyer <manoj.iyer@canonical.com>
---
 include/linux/iommu.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index ac7c0f88c245..73d0e48a796e 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -222,6 +222,7 @@  struct iommu_ops {
 struct iommu_device {
 	struct list_head list;
 	const struct iommu_ops *ops;
+	struct fwnode_handle *fwnode;
 	struct device dev;
 };
 
@@ -241,6 +242,12 @@  static inline void iommu_device_set_ops(struct iommu_device *iommu,
 	iommu->ops = ops;
 }
 
+static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
+					   struct fwnode_handle *fwnode)
+{
+	iommu->fwnode = fwnode;
+}
+
 #define IOMMU_GROUP_NOTIFY_ADD_DEVICE		1 /* Device added */
 #define IOMMU_GROUP_NOTIFY_DEL_DEVICE		2 /* Pre Device removed */
 #define IOMMU_GROUP_NOTIFY_BIND_DRIVER		3 /* Pre Driver bind */
@@ -598,6 +605,11 @@  static inline void iommu_device_set_ops(struct iommu_device *iommu,
 {
 }
 
+static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
+					   struct fwnode_handle *fwnode)
+{
+}
+
 static inline void iommu_device_unregister(struct iommu_device *iommu)
 {
 }