diff options
| author | M'boumba Cedric Madianga <cedric.madianga@gmail.com> | 2016-12-13 16:40:43 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2017-01-02 06:58:52 +0300 |
| commit | 7e96304d99477de1f70db42035071e56439da817 (patch) | |
| tree | fd14471cf2eef73a182a0303bcc8cd5f2c0e7ec3 /drivers/dma/stm32-dma.c | |
| parent | 1032471b3ec823bce7687034ac5af78a8ac99a9c (diff) | |
| download | linux-7e96304d99477de1f70db42035071e56439da817.tar.xz | |
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>
Diffstat (limited to 'drivers/dma/stm32-dma.c')
| -rw-r--r-- | drivers/dma/stm32-dma.c | 7 |
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); |