dmaengine: stm32-dma: Set correct args number for DMA request from DT

This patch sets the right number of arguments to be used for DMA clients
which request channels from DT.

Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
Reviewed-by: Ludovic BARRE <ludovic.barre@st.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index 3688d0873a3e..a884b857cba4 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c
@@ -972,21 +972,18 @@ static struct dma_chan *stm32_dma_of_xlate(struct of_phandle_args *dma_spec,
         struct stm32_dma_chan *chan;
         struct dma_chan *c;
 
-        if (dma_spec->args_count < 3)
+        if (dma_spec->args_count < 4)
                 return NULL;
 
         cfg.channel_id = dma_spec->args[0];
         cfg.request_line = dma_spec->args[1];
         cfg.stream_config = dma_spec->args[2];
-        cfg.threshold = 0;
+        cfg.threshold = dma_spec->args[3];
 
         if ((cfg.channel_id >= STM32_DMA_MAX_CHANNELS) || (cfg.request_line >=
                                 STM32_DMA_MAX_REQUEST_ID))
                 return NULL;
 
-        if (dma_spec->args_count > 3)
-                cfg.threshold = dma_spec->args[3];
-
         chan = &dmadev->chan[cfg.channel_id];
 
         c = dma_get_slave_channel(&chan->vchan.chan);