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[52/60,SRU,OEM-5.6] UBUNTU: SAUCE: iommu: Unexport iommu_group_get_for_dev()

Message ID 20200526130204.238445-53-vicamo.yang@canonical.com
State New
Headers show
Series Fix can't find root device on VMD when secureboot enabled | expand

Commit Message

You-Sheng Yang May 26, 2020, 1:01 p.m. UTC 
From: Joerg Roedel <jroedel@suse.de>

BugLink: https://bugs.launchpad.net/bugs/1876707

The function is now only used in IOMMU core code and shouldn't be used
outside of it anyway, so remove the export for it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20200429133712.31431-35-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
(backported from commit 1b032ec1ecbce6047af7d11c9db432e237cb17d8
iommu/next)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/iommu/iommu.c | 4 ++--
 include/linux/iommu.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 7f6c0cc4b294..9888a3c82b15 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -91,6 +91,7 @@  static void __iommu_detach_group(struct iommu_domain *domain,
 				 struct iommu_group *group);
 static int iommu_create_device_direct_mappings(struct iommu_group *group,
 					       struct device *dev);
+static struct iommu_group *iommu_group_get_for_dev(struct device *dev);
 
 #define IOMMU_GROUP_ATTR(_name, _mode, _show, _store)		\
 struct iommu_group_attribute iommu_group_attr_##_name =		\
@@ -1501,7 +1502,7 @@  static int iommu_alloc_default_domain(struct device *dev)
  * to the returned IOMMU group, which will already include the provided
  * device.  The reference should be released with iommu_group_put().
  */
-struct iommu_group *iommu_group_get_for_dev(struct device *dev)
+static struct iommu_group *iommu_group_get_for_dev(struct device *dev)
 {
 	const struct iommu_ops *ops = dev->bus->iommu_ops;
 	struct iommu_group *group;
@@ -1532,7 +1533,6 @@  struct iommu_group *iommu_group_get_for_dev(struct device *dev)
 
 	return ERR_PTR(ret);
 }
-EXPORT_SYMBOL_GPL(iommu_group_get_for_dev);
 
 struct iommu_domain *iommu_group_default_domain(struct iommu_group *group)
 {
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index dd076366383f..7cfd2dddb49d 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -527,7 +527,6 @@  extern int iommu_page_response(struct device *dev,
 			       struct iommu_page_response *msg);
 
 extern int iommu_group_id(struct iommu_group *group);
-extern struct iommu_group *iommu_group_get_for_dev(struct device *dev);
 extern struct iommu_domain *iommu_group_default_domain(struct iommu_group *);
 
 extern int iommu_domain_get_attr(struct iommu_domain *domain, enum iommu_attr,