diff options
Diffstat (limited to 'drivers/media/platform/s5p-mfc/s5p_mfc.c')
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 8a5ba3bec3af..9a53d3908b52 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -1089,11 +1089,17 @@ static struct device *s5p_mfc_alloc_memdev(struct device *dev, device_initialize(child); dev_set_name(child, "%s:%s", dev_name(dev), name); child->parent = dev; - child->bus = dev->bus; child->coherent_dma_mask = dev->coherent_dma_mask; child->dma_mask = dev->dma_mask; child->release = s5p_mfc_memdev_release; + /* + * The memdevs are not proper OF platform devices, so in order for them + * to be treated as valid DMA masters we need a bit of a hack to force + * them to inherit the MFC node's DMA configuration. + */ + of_dma_configure(child, dev->of_node, true); + if (device_add(child) == 0) { ret = of_reserved_mem_device_init_by_idx(child, dev->of_node, idx); |