dmaengine: struct device - replace bus_id with dev_name(), dev_set_name()

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index dc003a3..5317e08 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -399,8 +399,8 @@
 		chan->chan_id = chancnt++;
 		chan->dev.class = &dma_devclass;
 		chan->dev.parent = device->dev;
-		snprintf(chan->dev.bus_id, BUS_ID_SIZE, "dma%dchan%d",
-		         device->dev_id, chan->chan_id);
+		dev_set_name(&chan->dev, "dma%dchan%d",
+			     device->dev_id, chan->chan_id);
 
 		rc = device_register(&chan->dev);
 		if (rc) {