dmaengine: Convert to using %pOF instead of full_name

Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c
index faae0bf..91fd395 100644
--- a/drivers/dma/of-dma.c
+++ b/drivers/dma/of-dma.c
@@ -38,8 +38,8 @@
 		if (ofdma->of_node == dma_spec->np)
 			return ofdma;
 
-	pr_debug("%s: can't find DMA controller %s\n", __func__,
-		 dma_spec->np->full_name);
+	pr_debug("%s: can't find DMA controller %pOF\n", __func__,
+		 dma_spec->np);
 
 	return NULL;
 }
@@ -255,8 +255,8 @@
 
 	count = of_property_count_strings(np, "dma-names");
 	if (count < 0) {
-		pr_err("%s: dma-names property of node '%s' missing or empty\n",
-			__func__, np->full_name);
+		pr_err("%s: dma-names property of node '%pOF' missing or empty\n",
+			__func__, np);
 		return ERR_PTR(-ENODEV);
 	}