iommu: Unexport iommu_group_get_for_dev()

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>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 48a95f7..a9e5618 100644 (file)
--- 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 =                \
@@ -1500,7 +1501,7 @@ 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;
@@ -1531,7 +1532,6 @@ out_put_group:
 
        return ERR_PTR(ret);
 }
-EXPORT_SYMBOL(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 dd07636..7cfd2dd 100644 (file)
--- 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,