diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index dd4224d90f07..758fcd0546d8 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -40,6 +40,8 @@ #include #include #include +#include +#include #include #include #include @@ -812,15 +814,13 @@ static const struct dma_slave_map *dma_filter_match(struct dma_device *device, */ struct dma_chan *dma_request_chan(struct device *dev, const char *name) { + struct fwnode_handle *fwnode = dev_fwnode(dev); struct dma_device *d, *_d; struct dma_chan *chan = NULL; - /* If device-tree is present get slave info from here */ - if (dev->of_node) - chan = of_dma_request_slave_channel(dev->of_node, name); - - /* If device was enumerated by ACPI get slave info from here */ - if (has_acpi_companion(dev) && !chan) + if (is_of_node(fwnode)) + chan = of_dma_request_slave_channel(to_of_node(fwnode), name); + else if (is_acpi_device_node(fwnode)) chan = acpi_dma_request_slave_chan_by_name(dev, name); if (PTR_ERR(chan) == -EPROBE_DEFER)