On 4/13/22 12:40, Ashish Mhetre wrote: > +static int tegra186_mc_map_regs(struct tegra_mc *mc) > +{ > + struct platform_device *pdev = to_platform_device(mc->dev); > + int i; > + > + mc->bcast_ch_regs = devm_platform_ioremap_resource_byname(pdev, "broadcast"); > + if (IS_ERR(mc->bcast_ch_regs)) { > + if (PTR_ERR(mc->bcast_ch_regs) == -EINVAL) { > + dev_warn(&pdev->dev, "Broadcast channel is missing, please update your device-tree\n"); Set mc->bcast_ch_regs=NULL on error.