1 files changed, 9 insertions, 11 deletions

diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index 3688d0873a3e..a8c2ad686173 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c
@@ -421,7 +421,7 @@ static void stm32_dma_dump_reg(struct stm32_dma_chan *chan)
         dev_dbg(chan2dev(chan), "SFCR:  0x%08x\n", sfcr);
 }
 
-static int stm32_dma_start_transfer(struct stm32_dma_chan *chan)
+static void stm32_dma_start_transfer(struct stm32_dma_chan *chan)
 {
         struct stm32_dma_device *dmadev = stm32_dma_get_dev(chan);
         struct virt_dma_desc *vdesc;
@@ -432,12 +432,12 @@ static int stm32_dma_start_transfer(struct stm32_dma_chan *chan)
 
         ret = stm32_dma_disable_chan(chan);
         if (ret < 0)
-                return ret;
+                return;
 
         if (!chan->desc) {
                 vdesc = vchan_next_desc(&chan->vchan);
                 if (!vdesc)
-                        return -EPERM;
+                        return;
 
                 chan->desc = to_stm32_dma_desc(vdesc);
                 chan->next_sg = 0;
@@ -471,7 +471,7 @@ static int stm32_dma_start_transfer(struct stm32_dma_chan *chan)
 
         chan->busy = true;
 
-        return 0;
+        dev_dbg(chan2dev(chan), "vchan %p: started\n", &chan->vchan);
 }
 
 static void stm32_dma_configure_next_sg(struct stm32_dma_chan *chan)
@@ -552,15 +552,13 @@ static void stm32_dma_issue_pending(struct dma_chan *c)
 {
         struct stm32_dma_chan *chan = to_stm32_dma_chan(c);
         unsigned long flags;
-        int ret;
 
         spin_lock_irqsave(&chan->vchan.lock, flags);
-        if (!chan->busy) {
-                if (vchan_issue_pending(&chan->vchan) && !chan->desc) {
-                        ret = stm32_dma_start_transfer(chan);
-                        if ((!ret) && (chan->desc->cyclic))
-                                stm32_dma_configure_next_sg(chan);
-                }
+        if (vchan_issue_pending(&chan->vchan) && !chan->desc && !chan->busy) {
+                dev_dbg(chan2dev(chan), "vchan %p: issued\n", &chan->vchan);
+                stm32_dma_start_transfer(chan);
+                if (chan->desc->cyclic)
+                        stm32_dma_configure_next_sg(chan);
         }
         spin_unlock_irqrestore(&chan->vchan.lock, flags);
 }