RE: [PATCH v3 3/5] drivers: regulator: Add ADI MAX77541/MAX77540 Regulator Support

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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





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