From: Magnus Damm <damm@xxxxxxxxxxxxx>
This patch updates the SuperH Mobile CEU driver to
not page align the frame size. Useful in the case of
USERPTR with non-page aligned frame sizes and offsets.
Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>
---
drivers/media/video/sh_mobile_ceu_camera.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- 0010/drivers/media/video/sh_mobile_ceu_camera.c
+++ work/drivers/media/video/sh_mobile_ceu_camera.c 2009-12-09 17:54:37.000000000 +0900
@@ -199,14 +199,13 @@ static int sh_mobile_ceu_videobuf_setup(
struct sh_mobile_ceu_dev *pcdev = ici->priv;
int bytes_per_pixel = (icd->current_fmt->depth + 7) >> 3;
- *size = PAGE_ALIGN(icd->user_width * icd->user_height *
- bytes_per_pixel);
+ *size = icd->user_width * icd->user_height * bytes_per_pixel;
if (0 == *count)
*count = 2;
if (pcdev->video_limit) {
- while (*size * *count > pcdev->video_limit)
+ while (PAGE_ALIGN(*size) * *count > pcdev->video_limit)
(*count)--;
}
--
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