This patch adds EXPORT_SYMBOL calls to the three arm iommu
functions - arm_iommu_create_mapping, arm_iommu_free_mapping
and arm_iommu_attach_device. These functions can now be called
from dynamic modules.
Signed-off-by: Prathyush K <prathyush.k@xxxxxxxxxxx>
---
arch/arm/mm/dma-mapping.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 6b2fb87..c0f0f43 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1797,6 +1797,7 @@ err2:
err:
return ERR_PTR(err);
}
+EXPORT_SYMBOL(arm_iommu_create_mapping);
static void release_iommu_mapping(struct kref *kref)
{
@@ -1813,6 +1814,7 @@ void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping)
if (mapping)
kref_put(&mapping->kref, release_iommu_mapping);
}
+EXPORT_SYMBOL(arm_iommu_release_mapping);
/**
* arm_iommu_attach_device
@@ -1841,5 +1843,6 @@ int arm_iommu_attach_device(struct device *dev,
pr_debug("Attached IOMMU controller to %s device.\n", dev_name(dev));
return 0;
}
+EXPORT_SYMBOL(arm_iommu_attach_device);
#endif
--
1.8.0
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