dmaengine: stm32-dma: remove unused ‘sfcr’

In stm32_dma_chan_irq(), variable ‘sfcr’ is initialized but never used, which
leads to warning with W=1

drivers/dma/stm32-dma.c: In function ‘stm32_dma_chan_irq’:
drivers/dma/stm32-dma.c:530:19: warning: variable ‘sfcr’ set but not used [-Wunused-but-set-variable]
  u32 status, scr, sfcr;

So remove it.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index 307547f4848d..7f18192774e4 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c
@@ -527,13 +527,12 @@ static irqreturn_t stm32_dma_chan_irq(int irq, void *devid)
 {
         struct stm32_dma_chan *chan = devid;
         struct stm32_dma_device *dmadev = stm32_dma_get_dev(chan);
-        u32 status, scr, sfcr;
+        u32 status, scr;
 
         spin_lock(&chan->vchan.lock);
 
         status = stm32_dma_irq_status(chan);
         scr = stm32_dma_read(dmadev, STM32_DMA_SCR(chan->id));
-        sfcr = stm32_dma_read(dmadev, STM32_DMA_SFCR(chan->id));
 
         if ((status & STM32_DMA_TCI) && (scr & STM32_DMA_SCR_TCIE)) {
                 stm32_dma_irq_clear(chan, STM32_DMA_TCI);