summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/ion/ion.c8
-rw-r--r--include/linux/ion.h13
2 files changed, 14 insertions, 7 deletions
diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index f17f9255013..50a4a407964 100644
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -616,8 +616,8 @@ void ion_client_destroy(struct ion_client *client)
kfree(client);
}
-struct sg_table *ion_map_dma(struct ion_client *client,
- struct ion_handle *handle)
+struct sg_table *ion_sg_table(struct ion_client *client,
+ struct ion_handle *handle)
{
struct ion_buffer *buffer;
struct sg_table *table;
@@ -635,10 +635,6 @@ struct sg_table *ion_map_dma(struct ion_client *client,
return table;
}
-void ion_unmap_dma(struct ion_client *client, struct ion_handle *handle)
-{
-}
-
static struct sg_table *ion_map_dma_buf(struct dma_buf_attachment *attachment,
enum dma_data_direction direction)
{
diff --git a/include/linux/ion.h b/include/linux/ion.h
index 3bf85fd0438..d44ce69446d 100644
--- a/include/linux/ion.h
+++ b/include/linux/ion.h
@@ -149,7 +149,7 @@ void ion_free(struct ion_client *client, struct ion_handle *handle);
* This function queries the heap for a particular handle to get the
* handle's physical address. It't output is only correct if
* a heap returns physically contiguous memory -- in other cases
- * this api should not be implemented -- ion_map_dma should be used
+ * this api should not be implemented -- ion_sg_table should be used
* instead. Returns -EINVAL if the handle is invalid. This has
* no implications on the reference counting of the handle --
* the returned value may not be valid if the caller is not
@@ -159,6 +159,17 @@ int ion_phys(struct ion_client *client, struct ion_handle *handle,
ion_phys_addr_t *addr, size_t *len);
/**
+ * ion_map_dma - return an sg_table describing a handle
+ * @client: the client
+ * @handle: the handle
+ *
+ * This function returns the sg_table describing
+ * a particular ion handle.
+ */
+struct sg_table *ion_sg_table(struct ion_client *client,
+ struct ion_handle *handle);
+
+/**
* ion_map_kernel - create mapping for the given handle
* @client: the client
* @handle: handle to map