dma_request_slave_channel() is deprecated. dma_request_chan() should
be used directly instead.
Switch to the preferred function and update the error handling accordingly.
While at it, also propagate the error code that is now available.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
/*
* Request the DMA channel
*/
- data->dma_chan =
- dma_request_slave_channel(&pdev->dev, "data");
- if (!data->dma_chan)
- return -EBUSY;
+ data->dma_chan = dma_request_chan(&pdev->dev, "data");
+ if (IS_ERR(data->dma_chan))
+ return PTR_ERR(data->dma_chan);
ret = dmaengine_slave_config(data->dma_chan, &config);
if (ret < 0) {
dev_err(&pdev->dev, "dma configuration failed: %d\n", ret);