Hello, first of all: thanks for this patch! On Mon, Sep 27, 2021 at 10:15 AM Cai Huoqing <caihuoqing@xxxxxxxxx> wrote: [...] > + if (IS_ERR(priv->clkin)) > + return dev_err_probe(&pdev->dev, > + PTR_ERR(priv->clkin), Is there any specific reason why you put PTR_ERR() on a separate line? it would still fit into the line above and be below the old 80 chars per line limit. For priv->vref you already have it the way I am suggesting there. [...] > + if (IS_ERR(priv->core_clk)) > + return dev_err_probe(&pdev->dev, > + PTR_ERR(priv->core_clk), the same question as above applies here as well Best regards, Martin