dmaengine: sun6i: Fix the access of the IRQ register

[mirror_ubuntu-bionic-kernel.git] / drivers / dma / sun6i-dma.c

diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c
index 2db12e493c530ccc369582b46d7943cd92eac31d..2ec320dc68b3df3f991c5a7f5e5eb6514ab9b203 100644 (file)
--- a/drivers/dma/sun6i-dma.c
+++ b/drivers/dma/sun6i-dma.c
@@ -381,9 +381,9 @@ static int sun6i_dma_start_desc(struct sun6i_vchan *vchan)
        irq_reg = pchan->idx / DMA_IRQ_CHAN_NR;
        irq_offset = pchan->idx % DMA_IRQ_CHAN_NR;
 
-       irq_val = readl(sdev->base + DMA_IRQ_EN(irq_offset));
+       irq_val = readl(sdev->base + DMA_IRQ_EN(irq_reg));
        irq_val |= DMA_IRQ_QUEUE << (irq_offset * DMA_IRQ_CHAN_WIDTH);
-       writel(irq_val, sdev->base + DMA_IRQ_EN(irq_offset));
+       writel(irq_val, sdev->base + DMA_IRQ_EN(irq_reg));
 
        writel(pchan->desc->p_lli, pchan->base + DMA_CHAN_LLI_ADDR);
        writel(DMA_CHAN_ENABLE_START, pchan->base + DMA_CHAN_ENABLE);