diff options
Diffstat (limited to 'drivers/media/pci/cx23885/cx23885-core.c')
-rw-r--r-- | drivers/media/pci/cx23885/cx23885-core.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index 3bd386c371f7..1ad49946d7fa 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -1453,17 +1453,12 @@ int cx23885_buf_prepare(struct cx23885_buffer *buf, struct cx23885_tsport *port) struct cx23885_dev *dev = port->dev; int size = port->ts_packet_size * port->ts_packet_count; struct sg_table *sgt = vb2_dma_sg_plane_desc(&buf->vb, 0); - int rc; dprintk(1, "%s: %p\n", __func__, buf); if (vb2_plane_size(&buf->vb, 0) < size) return -EINVAL; vb2_set_plane_payload(&buf->vb, 0, size); - rc = dma_map_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE); - if (!rc) - return -EIO; - cx23885_risc_databuffer(dev->pci, &buf->risc, sgt->sgl, port->ts_packet_size, port->ts_packet_count, 0); @@ -1997,9 +1992,14 @@ static int cx23885_initdev(struct pci_dev *pci_dev, if (!pci_dma_supported(pci_dev, 0xffffffff)) { printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); err = -EIO; - goto fail_irq; + goto fail_context; } + dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev); + if (IS_ERR(dev->alloc_ctx)) { + err = PTR_ERR(dev->alloc_ctx); + goto fail_context; + } err = request_irq(pci_dev->irq, cx23885_irq, IRQF_SHARED, dev->name, dev); if (err < 0) { @@ -2028,6 +2028,8 @@ static int cx23885_initdev(struct pci_dev *pci_dev, return 0; fail_irq: + vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); +fail_context: cx23885_dev_unregister(dev); fail_ctrl: v4l2_ctrl_handler_free(hdl); @@ -2047,12 +2049,13 @@ static void cx23885_finidev(struct pci_dev *pci_dev) cx23885_shutdown(dev); - pci_disable_device(pci_dev); - /* unregister stuff */ free_irq(pci_dev->irq, dev); + pci_disable_device(pci_dev); + cx23885_dev_unregister(dev); + vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); v4l2_ctrl_handler_free(&dev->ctrl_handler); v4l2_device_unregister(v4l2_dev); kfree(dev); |