In the probe path, dev_err() can be replace with dev_err_probe() which will check if error code is -EPROBE_DEFER. Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> --- drivers/media/platform/st/stm32/stm32-dcmi.c | 27 +++++++------------- 1 file changed, 9 insertions(+), 18 deletions(-) diff --git a/drivers/media/platform/st/stm32/stm32-dcmi.c b/drivers/media/platform/st/stm32/stm32-dcmi.c index 2ca95ab2b0fe..ec138843d090 100644 --- a/drivers/media/platform/st/stm32/stm32-dcmi.c +++ b/drivers/media/platform/st/stm32/stm32-dcmi.c @@ -1946,12 +1946,9 @@ static int dcmi_probe(struct platform_device *pdev) return -ENOMEM; dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); - if (IS_ERR(dcmi->rstc)) { - if (PTR_ERR(dcmi->rstc) != -EPROBE_DEFER) - dev_err(&pdev->dev, "Could not get reset control\n"); - - return PTR_ERR(dcmi->rstc); - } + if (IS_ERR(dcmi->rstc)) + return dev_err_probe(&pdev->dev, PTR_ERR(dcmi->rstc), + "Could not get reset control\n"); /* Get bus characteristics from devicetree */ np = of_graph_get_next_endpoint(np, NULL); @@ -2003,20 +2000,14 @@ static int dcmi_probe(struct platform_device *pdev) } mclk = devm_clk_get(&pdev->dev, "mclk"); - if (IS_ERR(mclk)) { - if (PTR_ERR(mclk) != -EPROBE_DEFER) - dev_err(&pdev->dev, "Unable to get mclk\n"); - return PTR_ERR(mclk); - } + if (IS_ERR(mclk)) + return dev_err_probe(&pdev->dev, PTR_ERR(mclk), + "Unable to get mclk\n"); chan = dma_request_chan(&pdev->dev, "tx"); - if (IS_ERR(chan)) { - ret = PTR_ERR(chan); - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, - "Failed to request DMA channel: %d\n", ret); - return ret; - } + if (IS_ERR(chan)) + return dev_err_probe(&pdev->dev, PTR_ERR(chan), + "Failed to request DMA channel\n"); dcmi->dma_max_burst = UINT_MAX; ret = dma_get_slave_caps(chan, &caps); -- 2.25.1