readl_relaxed_poll_timeout() uses magic numbers 10 and 1000, which indicate maximum time to sleep between reads in us and timeout in us, respectively. Use macros HISI_DMA_POLL_Q_STS_DELAY_US and HISI_DMA_POLL_Q_STS_TIME_OUT_US instead of these two numbers. Signed-off-by: Jie Hai <haijie1@xxxxxxxxxx> Acked-by: Zhou Wang <wangzhou1@xxxxxxxxxxxxx> --- drivers/dma/hisi_dma.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/dma/hisi_dma.c b/drivers/dma/hisi_dma.c index 0233b42143c7..5d62fe62ba00 100644 --- a/drivers/dma/hisi_dma.c +++ b/drivers/dma/hisi_dma.c @@ -36,6 +36,9 @@ #define PCI_BAR_2 2 +#define HISI_DMA_POLL_Q_STS_DELAY_US 10 +#define HISI_DMA_POLL_Q_STS_TIME_OUT_US 1000 + enum hisi_dma_mode { EP = 0, RC, @@ -185,15 +188,19 @@ static void hisi_dma_reset_or_disable_hw_chan(struct hisi_dma_chan *chan, { struct hisi_dma_dev *hdma_dev = chan->hdma_dev; u32 index = chan->qp_num, tmp; + void __iomem *addr; int ret; hisi_dma_pause_dma(hdma_dev, index, true); hisi_dma_enable_dma(hdma_dev, index, false); hisi_dma_mask_irq(hdma_dev, index); - ret = readl_relaxed_poll_timeout(hdma_dev->base + - HISI_DMA_Q_FSM_STS + index * HISI_DMA_OFFSET, tmp, - FIELD_GET(HISI_DMA_FSM_STS_MASK, tmp) != RUN, 10, 1000); + addr = hdma_dev->base + + HISI_DMA_Q_FSM_STS + index * HISI_DMA_OFFSET; + + ret = readl_relaxed_poll_timeout(addr, tmp, + FIELD_GET(HISI_DMA_FSM_STS_MASK, tmp) != RUN, + HISI_DMA_POLL_Q_STS_DELAY_US, HISI_DMA_POLL_Q_STS_TIME_OUT_US); if (ret) { dev_err(&hdma_dev->pdev->dev, "disable channel timeout!\n"); WARN_ON(1); @@ -208,9 +215,9 @@ static void hisi_dma_reset_or_disable_hw_chan(struct hisi_dma_chan *chan, hisi_dma_unmask_irq(hdma_dev, index); } - ret = readl_relaxed_poll_timeout(hdma_dev->base + - HISI_DMA_Q_FSM_STS + index * HISI_DMA_OFFSET, tmp, - FIELD_GET(HISI_DMA_FSM_STS_MASK, tmp) == IDLE, 10, 1000); + ret = readl_relaxed_poll_timeout(addr, tmp, + FIELD_GET(HISI_DMA_FSM_STS_MASK, tmp) == IDLE, + HISI_DMA_POLL_Q_STS_DELAY_US, HISI_DMA_POLL_Q_STS_TIME_OUT_US); if (ret) { dev_err(&hdma_dev->pdev->dev, "reset channel timeout!\n"); WARN_ON(1); -- 2.33.0