Change if-else to switch-case in pl330_prep_slave_sg() function for
consistency with other peripheral transfer functions in the driver.

Signed-off-by: Joy Chakraborty <joychakr@google.com>
---
 drivers/dma/pl330.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 39a66ff29e27..746da0bbea92 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2883,16 +2883,21 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 		else
 			list_add_tail(&desc->node, &first->node);
 
-		if (direction == DMA_MEM_TO_DEV) {
+		switch (direction) {
+		case DMA_MEM_TO_DEV:
 			desc->rqcfg.src_inc = 1;
 			desc->rqcfg.dst_inc = 0;
 			fill_px(&desc->px, pch->fifo_dma, sg_dma_address(sg),
 				sg_dma_len(sg));
-		} else {
+			break;
+		case DMA_DEV_TO_MEM:
 			desc->rqcfg.src_inc = 0;
 			desc->rqcfg.dst_inc = 1;
 			fill_px(&desc->px, sg_dma_address(sg), pch->fifo_dma,
 				sg_dma_len(sg));
+			break;
+		default:
+			break;
 		}
 
 		desc->rqcfg.src_brst_size = pch->burst_sz;
-- 
2.40.1.606.ga4b1b128d6-goog