dma: zynqmp_dma: Fix warning variable 'val' set but not used

This patch fixes the below warning

drivers/dma/xilinx/zynqmp_dma.c: In function 'zynqmp_dma_handle_ovfl_int':
drivers/dma/xilinx/zynqmp_dma.c:522:6: warning: variable 'val' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index aa85c57791c4f393f6b10279816d19822d94738e..8b1b0f1278cfac103371ac7c87d8f0d25104eeda 100644 (file)
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -526,14 +526,12 @@ static void zynqmp_dma_start(struct zynqmp_dma_chan *chan)
  */
 static void zynqmp_dma_handle_ovfl_int(struct zynqmp_dma_chan *chan, u32 status)
 {
-       u32 val;
-
        if (status & ZYNQMP_DMA_BYTE_CNT_OVRFL)
                writel(0, chan->regs + ZYNQMP_DMA_TOTAL_BYTE);
        if (status & ZYNQMP_DMA_IRQ_DST_ACCT_ERR)
-               val = readl(chan->regs + ZYNQMP_DMA_IRQ_DST_ACCT);
+               readl(chan->regs + ZYNQMP_DMA_IRQ_DST_ACCT);
        if (status & ZYNQMP_DMA_IRQ_SRC_ACCT_ERR)
-               val = readl(chan->regs + ZYNQMP_DMA_IRQ_SRC_ACCT);
+               readl(chan->regs + ZYNQMP_DMA_IRQ_SRC_ACCT);
 }
 
 static void zynqmp_dma_config(struct zynqmp_dma_chan *chan)