[PATCH v3 34/34] iommu: Unexport iommu_group_get_for_dev()

Joerg Roedel
2020-04-29T13:38:37Z

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.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/iommu.c | 4 ++--
include/linux/iommu.h | 1 -
2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 48a95f7d7999..a9e5618cde80 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 = \
@@ -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 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev)

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 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,