diff options
| -rw-r--r-- | linux/drivers/media/video/pxa_camera.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/linux/drivers/media/video/pxa_camera.c b/linux/drivers/media/video/pxa_camera.c index 318d5f61b..98825d631 100644 --- a/linux/drivers/media/video/pxa_camera.c +++ b/linux/drivers/media/video/pxa_camera.c @@ -576,15 +576,6 @@ static void pxa_dma_stop_channels(struct pxa_camera_dev *pcdev) } } -static void pxa_dma_update_sg_tail(struct pxa_camera_dev *pcdev, - struct pxa_buffer *buf) -{ - int i; - - for (i = 0; i < pcdev->channels; i++) - pcdev->sg_tail[i] = buf->dmas[i].sg_cpu + buf->dmas[i].sglen; -} - static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev, struct pxa_buffer *buf) { @@ -595,12 +586,13 @@ static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev, buf_last_desc = buf->dmas[i].sg_cpu + buf->dmas[i].sglen; buf_last_desc->ddadr = DDADR_STOP; - if (!pcdev->sg_tail[i]) - continue; - pcdev->sg_tail[i]->ddadr = buf->dmas[i].sg_dma; - } + if (pcdev->sg_tail[i]) + /* Link the new buffer to the old tail */ + pcdev->sg_tail[i]->ddadr = buf->dmas[i].sg_dma; - pxa_dma_update_sg_tail(pcdev, buf); + /* Update the channel tail */ + pcdev->sg_tail[i] = buf_last_desc; + } } /** |