Replace the custom implementation with a call to the scatterlist helper
function.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/media/platform/omap3isp/ispqueue.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/drivers/media/platform/omap3isp/ispqueue.c
b/drivers/media/platform/omap3isp/ispqueue.c
index 4a271c7..cee1b5d 100644
--- a/drivers/media/platform/omap3isp/ispqueue.c
+++ b/drivers/media/platform/omap3isp/ispqueue.c
@@ -233,12 +233,10 @@ static void isp_video_buffer_cleanup(struct
isp_video_buffer *buf)
*/
static int isp_video_buffer_prepare_user(struct isp_video_buffer *buf)
{
- struct scatterlist *sg;
unsigned int offset;
unsigned long data;
unsigned int first;
unsigned int last;
- unsigned int i;
int ret;
data = buf->vbuf.m.userptr;
@@ -267,21 +265,11 @@ static int isp_video_buffer_prepare_user(struct
isp_video_buffer *buf)
if (ret < 0)
return ret;
- ret = sg_alloc_table(&buf->sgt, buf->npages, GFP_KERNEL);
+ ret = sg_alloc_table_from_pages(&buf->sgt, buf->pages, buf->npages,
+ offset, buf->vbuf.length, GFP_KERNEL);
if (ret < 0)
return ret;
- for (sg = buf->sgt.sgl, i = 0; i < buf->npages; ++i) {
- if (PageHighMem(buf->pages[i])) {
- sg_free_table(&buf->sgt);
- return -EINVAL;
- }
-
- sg_set_page(sg, buf->pages[i], PAGE_SIZE - offset, offset);
- sg = sg_next(sg);
- offset = 0;
- }
-
return 0;
}
--
1.8.3.2
--
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