linux-kernel - Re: [PATCH 3/4] Regulators: TPS65218: Add Regulator driver for TPS65218 PMIC

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Message-ID: <529EC4B3.7030009@ti.com>
Date:	Wed, 4 Dec 2013 11:29:15 +0530
From:	Keerthy <a0393675@...com>
To:	Mark Brown <broonie@...nel.org>
CC:	Keerthy <j-keerthy@...com>, <rob.herring@...xeda.com>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<swarren@...dotorg.org>, <ijc+devicetree@...lion.org.uk>,
	<rob@...dley.net>, <sameo@...ux.intel.com>, <lee.jones@...aro.org>,
	<grant.likely@...aro.org>, <lgirdwood@...il.com>,
	<devicetree@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>
Subject: Re: [PATCH 3/4] Regulators: TPS65218: Add Regulator driver for TPS65218
 PMIC

Thanks for the review Mark.

On Tuesday 03 December 2013 08:46 PM, Mark Brown wrote:
> On Tue, Dec 03, 2013 at 12:13:24PM +0530, Keerthy wrote:
>
>> +static int tps65218_ldo1_dcdc3_vsel_to_uv(unsigned int vsel)
>> +{
>> +	int uV = 0;
>> +
>> +	if (vsel <= 26)
>> +		uV = vsel * 25000 + 900000;
>> +	else
>> +		uV = (vsel - 26) * 50000 + 1550000;
>> +
>> +	return uV;
>> +}
> Use regulator_map_voltage_linear_range() (and similarly for most of the
> other functions).

Ok.

>> +static const struct of_device_id tps65218_of_match[] = {
>> +	TPS65218_OF_MATCH("ti,tps65218-dcdc1", tps65218_pmic_regs[0]),
>> +	TPS65218_OF_MATCH("ti,tps65218-dcdc2", tps65218_pmic_regs[1]),
>> +	TPS65218_OF_MATCH("ti,tps65218-dcdc3", tps65218_pmic_regs[2]),
>> +	TPS65218_OF_MATCH("ti,tps65218-dcdc4", tps65218_pmic_regs[3]),
>> +	TPS65218_OF_MATCH("ti,tps65218-dcdc5", tps65218_pmic_regs[4]),
>> +	TPS65218_OF_MATCH("ti,tps65218-dcdc6", tps65218_pmic_regs[5]),
>> +	TPS65218_OF_MATCH("ti,tps65218-ldo1", tps65218_pmic_regs[6]),
>> +};
>> +MODULE_DEVICE_TABLE(of, tps65218_of_match);
> Indexing into another array by magic number like this is both error
> prone and hard to read.  Either use defined constants or individual
> variables for the things being referenced.
Okay.

Regards,
Keerthy
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