diff options
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-ts.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-ts.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-ts.c b/drivers/media/pci/saa7134/saa7134-ts.c index bd25323bd947..2709b83d57b1 100644 --- a/drivers/media/pci/saa7134/saa7134-ts.c +++ b/drivers/media/pci/saa7134/saa7134-ts.c @@ -94,7 +94,6 @@ int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2) struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2); struct sg_table *dma = vb2_dma_sg_plane_desc(vb2, 0); unsigned int lines, llength, size; - int ret; dprintk("buffer_prepare [%p]\n", buf); @@ -108,25 +107,11 @@ int saa7134_ts_buffer_prepare(struct vb2_buffer *vb2) vb2_set_plane_payload(vb2, 0, size); vb2->v4l2_buf.field = dev->field; - ret = dma_map_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE); - if (!ret) - return -EIO; return saa7134_pgtable_build(dev->pci, &dmaq->pt, dma->sgl, dma->nents, saa7134_buffer_startpage(buf)); } EXPORT_SYMBOL_GPL(saa7134_ts_buffer_prepare); -void saa7134_ts_buffer_finish(struct vb2_buffer *vb2) -{ - struct saa7134_dmaqueue *dmaq = vb2->vb2_queue->drv_priv; - struct saa7134_dev *dev = dmaq->dev; - struct saa7134_buf *buf = container_of(vb2, struct saa7134_buf, vb2); - struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0); - - dma_unmap_sg(&dev->pci->dev, dma->sgl, dma->nents, DMA_FROM_DEVICE); -} -EXPORT_SYMBOL_GPL(saa7134_ts_buffer_finish); - int saa7134_ts_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) @@ -142,6 +127,7 @@ int saa7134_ts_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, *nbuffers = 3; *nplanes = 1; sizes[0] = size; + alloc_ctxs[0] = dev->alloc_ctx; return 0; } EXPORT_SYMBOL_GPL(saa7134_ts_queue_setup); @@ -187,7 +173,6 @@ struct vb2_ops saa7134_ts_qops = { .queue_setup = saa7134_ts_queue_setup, .buf_init = saa7134_ts_buffer_init, .buf_prepare = saa7134_ts_buffer_prepare, - .buf_finish = saa7134_ts_buffer_finish, .buf_queue = saa7134_vb2_buffer_queue, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, |