dmaengine: pl330: use the same attributes when freeing pl330->mcode_cpu

In function dmac_alloc_resources(), pl330->mcode_cpu is allocated using
dma_alloc_attrs() but freed with dma_free_coherent().
Use the correct dma_free_attrs() function to free pl330->mcode_cpu.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Link: https://lore.kernel.org/r/20190726105947.25342-1-huangfq.daxian@gmail.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/pl330.c

@@ -1922,9 +1922,10 @@ static int dmac_alloc_resources(struct pl330_dmac *pl330)
 	if (ret) {
 		dev_err(pl330->ddma.dev, "%s:%d Can't to create channels for DMAC!\n",
 			__func__, __LINE__);
-		dma_free_coherent(pl330->ddma.dev,
+		dma_free_attrs(pl330->ddma.dev,
 				chans * pl330->mcbufsz,
-				pl330->mcode_cpu, pl330->mcode_bus);
+				pl330->mcode_cpu, pl330->mcode_bus,
+				DMA_ATTR_PRIVILEGED);
 		return ret;
 	}
 
@@ -2003,9 +2004,9 @@ static void pl330_del(struct pl330_dmac *pl330)
 	/* Free DMAC resources */
 	dmac_free_threads(pl330);
 
-	dma_free_coherent(pl330->ddma.dev,
+	dma_free_attrs(pl330->ddma.dev,
 		pl330->pcfg.num_chan * pl330->mcbufsz, pl330->mcode_cpu,
-		pl330->mcode_bus);
+		pl330->mcode_bus, DMA_ATTR_PRIVILEGED);
 }
 
 /* forward declaration */