Those functions are only called inside videobuf-dma-sg.c, make them
static.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/media/video/videobuf-dma-sg.c | 18 ++++++++++++++----
include/media/videobuf-dma-sg.h | 17 -----------------
2 files changed, 14 insertions(+), 21 deletions(-)
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c
index 17b1f89..8924e51 100644
--- a/drivers/media/video/videobuf-dma-sg.c
+++ b/drivers/media/video/videobuf-dma-sg.c
@@ -57,7 +57,13 @@ MODULE_LICENSE("GPL");
/* --------------------------------------------------------------------- */
-struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages)
+/*
+ * Return a scatterlist for some page-aligned vmalloc()'ed memory
+ * block (NULL on errors). Memory for the scatterlist is allocated
+ * using kmalloc. The caller must free the memory.
+ */
+static struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt,
+ int nr_pages)
{
struct scatterlist *sglist;
struct page *pg;
@@ -81,10 +87,14 @@ err:
vfree(sglist);
return NULL;
}
-EXPORT_SYMBOL_GPL(videobuf_vmalloc_to_sg);
-struct scatterlist *videobuf_pages_to_sg(struct page **pages, int nr_pages,
- int offset)
+/*
+ * Return a scatterlist for a an array of userpages (NULL on errors).
+ * Memory for the scatterlist is allocated using kmalloc. The caller
+ * must free the memory.
+ */
+static struct scatterlist *videobuf_pages_to_sg(struct page **pages,
+ int nr_pages, int offset)
{
struct scatterlist *sglist;
int i;
diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h
index 8013010..913860e 100644
--- a/include/media/videobuf-dma-sg.h
+++ b/include/media/videobuf-dma-sg.h
@@ -25,23 +25,6 @@
/* --------------------------------------------------------------------- */
/*
- * Return a scatterlist for some page-aligned vmalloc()'ed memory
- * block (NULL on errors). Memory for the scatterlist is allocated
- * using kmalloc. The caller must free the memory.
- */
-struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages);
-
-/*
- * Return a scatterlist for a an array of userpages (NULL on errors).
- * Memory for the scatterlist is allocated using kmalloc. The caller
- * must free the memory.
- */
-struct scatterlist *videobuf_pages_to_sg(struct page **pages, int nr_pages,
- int offset);
-
-/* --------------------------------------------------------------------- */
-
-/*
* A small set of helper functions to manage buffers (both userland
* and kernel) for DMA.
*
--
1.6.4.4
--
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