Hi Andy, Thank you for your feedback and efforts. I have a question below. On Wed, 18 Jan 2022 11:20 AM Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: >On Wed, Jan 18, 2023 at 09:38:10AM +0300, Okan Sahin wrote: >> Regulator driver for both MAX77541 and MAX77540. >> The MAX77541 is a high-efficiency step-down converter with two 3A >> switching phases for single-cell Li+ battery and 5VDC systems. >> >> The MAX77540 is a high-efficiency step-down converter with two 3A >> switching phases. > >... > >> + * Copyright (c) 2022 Analog Devices, Inc. > >Happy New Year! > >... > >> +static int max77541_regulator_probe(struct platform_device *pdev) { >> + struct max77541 *max77541 = dev_get_drvdata(pdev->dev.parent); >> + struct regulator_config config = {}; >> + const struct regulator_desc *desc; >> + struct device *dev = &pdev->dev; > >You may rearrange this a bit > > struct max77541 *max77541 = dev_get_drvdata(dev->parent); > >> + struct regulator_dev *rdev; >> + int i; > >> + config.dev = pdev->dev.parent; > >dev->parent > >> + >> + if (max77541->id == MAX77540) >> + desc = max77540_regulators_desc; >> + else if (max77541->id == MAX77541) >> + desc = max77541_regulators_desc; >> + else >> + return -EINVAL; >> + >> + for (i = 0; i < MAX77541_MAX_REGULATORS; i++) { > >> + rdev = devm_regulator_register(dev, >> + &desc[i], &config); > >This is perfectly one line. Thank you, I will arrange it. > >> + if (IS_ERR(rdev)) >> + return dev_err_probe(dev, PTR_ERR(rdev), >> + "Failed to register regulator\n"); >> + } >> + >> + return 0; >> +} > >... However, this one is not fit when I set max-line-length argument as 80 in checkpatch script. What do you suggest? This line has 99 characters. > >> +static const struct of_device_id max77541_regulator_of_id[] = { >> + { >> + .compatible = "adi,max77540-regulator", >> + .data = (void *)MAX77540, >> + }, >> + { >> + .compatible = "adi,max77541-regulator", >> + .data = (void *)MAX77541, >> + }, >> + { /* sentinel */ } > >As pointed out, better to use pointers directly. > >> +}; > >-- >With Best Regards, >Andy Shevchenko > Regards, Okan Sahin