Hi Philipp, Thank you for the review. On Tue, Dec 7, 2021 at 8:16 AM Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> wrote: > > On Tue, 2021-12-07 at 01:23 +0000, Lad Prabhakar wrote: > [...] > > +static int rzg2l_cru_probe(struct platform_device *pdev) > > +{ > > + struct rzg2l_cru_dev *cru; > > + struct v4l2_ctrl *ctrl; > > + int irq, ret; > > + > > + cru = devm_kzalloc(&pdev->dev, sizeof(*cru), GFP_KERNEL); > > + if (!cru) > > + return -ENOMEM; > > + > > + cru->dev = &pdev->dev; > > + cru->info = of_device_get_match_data(&pdev->dev); > > + > > + cru->base = devm_platform_ioremap_resource(pdev, 0); > > + if (IS_ERR(cru->base)) > > + return PTR_ERR(cru->base); > > + > > + irq = platform_get_irq(pdev, 1); > > + if (irq < 0) > > + return irq; > > + > > + cru->vclk = clk_get(&pdev->dev, "vclk"); > > + if (IS_ERR(cru->vclk)) > > + return PTR_ERR(cru->vclk); > > devm_clk_get()? > Don't mix devm and non-devm functions like this, all devm functions > should be placed first. > Agreed, I will use devm_clk_get(). > > + cru->cmn_restb = devm_reset_control_get_by_index(&pdev->dev, 0); > > Your binding has reset-names defined, please request reset controls by > name. Use devm_reset_control_get_explicit() instead, same below. > > > + if (IS_ERR(cru->cmn_restb)) { > > + dev_err(&pdev->dev, "failed to get cpg cmn_restb\n"); > > + return PTR_ERR(cru->cmn_restb); > > These could return -EPROBE_DEFER, I suggest to > > return dev_err_probe(&pdev->dev, PTR_ERR(cru->cmn_restb), > "failed to get cpg cmn_restb\n"); > OK will do. > instead, same below. > ditto. Cheers, Prabhakar > > + } > > + cru->presetn = devm_reset_control_get_by_index(&pdev->dev, 1); > > + if (IS_ERR(cru->presetn)) { > > + dev_err(&pdev->dev, "failed to get cpg presetn\n"); > > + return PTR_ERR(cru->presetn); > > + } > > + cru->aresetn = devm_reset_control_get_by_index(&pdev->dev, 2); > > + if (IS_ERR(cru->aresetn)) { > > + dev_err(&pdev->dev, "failed to get cpg aresetn\n"); > > + return PTR_ERR(cru->aresetn); > > + } > > regards > Philipp