linux-kernel - [PATCH v2 2/4] dmaengine: zynqmp_dma: Fix warning variable 'val' set but not used

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Date:   Thu, 7 Dec 2017 10:54:26 +0530
From:   Kedareswara rao Appana <appana.durga.rao@...inx.com>
To:     <vinod.koul@...el.com>, <dan.j.williams@...el.com>,
        <michal.simek@...inx.com>, <appanad@...inx.com>, <sr@...x.de>,
        <dave.jiang@...el.com>, <kedare06@...il.com>
CC:     <dmaengine@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/4] dmaengine: 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@...inx.com>
---
Changes for v2:
--> None.

 drivers/dma/xilinx/zynqmp_dma.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index 4376e4a..b9b5c0a 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -524,12 +524,10 @@ 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_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)
-- 
2.7.4