--- linux-2.6.37.6.orig/arch/mips/jz4740/dma.c	2011-03-27 21:01:41.000000000 +0200
+++ linux-2.6.37.6/arch/mips/jz4740/dma.c	2012-03-27 18:29:41.547939867 +0200
@@ -242,10 +242,6 @@
 
 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));
-
 	jz4740_dma_write_mask(JZ_REG_DMA_STATUS_CTRL(dma->id), 0,
 		JZ_DMA_STATUS_CTRL_ENABLE | JZ_DMA_STATUS_CTRL_TRANSFER_DONE);