dmaengine: apple-admac: Fix grabbing of channels in of_xlate
authorMartin Povišer <povik+lin@cutebit.org>
Wed, 19 Oct 2022 13:23:23 +0000 (15:23 +0200)
committerVinod Koul <vkoul@kernel.org>
Tue, 8 Nov 2022 05:13:56 +0000 (10:43 +0530)
The of_xlate callback is supposed to return the channel after already
having 'grabbed' it for private use, so fill that in.

Fixes: b127315d9a78 ("dmaengine: apple-admac: Add Apple ADMAC driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20221019132324.8585-1-povik+lin@cutebit.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/apple-admac.c

index 317ca76ccafd2b755a279cf5c64a83147a4aee8d..a2cc520225d32850db821ff0a8b7633a86343ddb 100644 (file)
@@ -493,7 +493,7 @@ static struct dma_chan *admac_dma_of_xlate(struct of_phandle_args *dma_spec,
                return NULL;
        }
 
-       return &ad->channels[index].chan;
+       return dma_get_slave_channel(&ad->channels[index].chan);
 }
 
 static int admac_drain_reports(struct admac_data *ad, int channo)