dma: remove unnecessary null pointer check in mmp_pdma.c

the pointer cfg is dereferenced in line 594, so it's no reason to check null
again in line 620.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 13bdf4a7e1ec..41ad6a62f838 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -617,10 +617,8 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
                 else if (maxburst == 32)
                         chan->dcmd |= DCMD_BURST32;
 
-                if (cfg) {
-                        chan->dir = cfg->direction;
-                        chan->drcmr = cfg->slave_id;
-                }
+                chan->dir = cfg->direction;
+                chan->drcmr = cfg->slave_id;
                 chan->dev_addr = addr;
                 break;
         default: