diff --git a/arch/mips/jz4740/dma.c b/arch/mips/jz4740/dma.c
index 5ebe75a68350..d7feb898692c 100644
--- a/arch/mips/jz4740/dma.c
+++ b/arch/mips/jz4740/dma.c
@@ -242,9 +242,7 @@ EXPORT_SYMBOL_GPL(jz4740_dma_get_residue);
 
 static void jz4740_dma_chan_irq(struct jz4740_dma_chan *dma)
 {
-	uint32_t status;
-
-	status = jz4740_dma_read(JZ_REG_DMA_STATUS_CTRL(dma->id));
+	(void) jz4740_dma_read(JZ_REG_DMA_STATUS_CTRL(dma->id));
 
 	jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id), 0,
 		JZ_DMA_STATUS_CTRL_ENABLE | JZ_DMA_STATUS_CTRL_TRANSFER_DONE);