diff options
Diffstat (limited to 'drivers/dma/of-dma.c')
| -rw-r--r-- | drivers/dma/of-dma.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 8a4f608904b9..ec00b20ae8e4 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -75,8 +75,18 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, ofdma->dma_router->route_free(ofdma->dma_router->dev, route_data); } else { + int ret = 0; + chan->router = ofdma->dma_router; chan->route_data = route_data; + + if (chan->device->device_router_config) + ret = chan->device->device_router_config(chan); + + if (ret) { + dma_release_channel(chan); + chan = ERR_PTR(ret); + } } /* |