Export iommu_{get,put}_resv_regions() to the modules so that the driver
can retrieve and use the reserved regions of the device.
Signed-off-by: Yicong Yang <yangyic...@hisilicon.com>
---
drivers/iommu/iommu.c | 2 ++
include/linux/iommu.h | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index dd7863e453a5..e96711eee965 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2792,6 +2792,7 @@ void iommu_get_resv_regions(struct device *dev, struct
list_head *list)
if (ops && ops->get_resv_regions)
ops->get_resv_regions(dev, list);
}
+EXPORT_SYMBOL_GPL(iommu_get_resv_regions);
void iommu_put_resv_regions(struct device *dev, struct list_head *list)
{
@@ -2800,6 +2801,7 @@ void iommu_put_resv_regions(struct device *dev, struct
list_head *list)
if (ops && ops->put_resv_regions)
ops->put_resv_regions(dev, list);
}
+EXPORT_SYMBOL_GPL(iommu_put_resv_regions);
/**
* generic_iommu_put_resv_regions - Reserved region driver helper
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index d2f3435e7d17..1b7b0f370e28 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -450,8 +450,8 @@ extern phys_addr_t iommu_iova_to_phys(struct iommu_domain
*domain, dma_addr_t io
extern void iommu_set_fault_handler(struct iommu_domain *domain,
iommu_fault_handler_t handler, void *token);
-extern void iommu_get_resv_regions(struct device *dev, struct list_head *list);
-extern void iommu_put_resv_regions(struct device *dev, struct list_head *list);
+void iommu_get_resv_regions(struct device *dev, struct list_head *list);
+void iommu_put_resv_regions(struct device *dev, struct list_head *list);
extern void generic_iommu_put_resv_regions(struct device *dev,
struct list_head *list);
extern void iommu_set_default_passthrough(bool cmd_line);
--
2.33.0
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