Re: [PATCH 1/2] regulator: act8945: Implement PM functionalities

From: Claudiu.Beznea
Date: Wed Nov 07 2018 - 10:03:31 EST




On 07.11.2018 16:53, Mark Brown wrote:
> On Fri, Oct 26, 2018 at 04:19:48PM +0000, Claudiu.Beznea@xxxxxxxxxxxxx wrote:
>
>> +static unsigned int act8945a_of_map_mode(unsigned int mode)
>> +{
>> + if (mode == ACT8945A_DCDC_MODE_POWER_SAVING)
>> + return REGULATOR_MODE_STANDBY;
>> +
>> + return REGULATOR_MODE_NORMAL;
>> +}
>
> This should error out if it gets an unknown value rather than silently
> mapping it to normal - we don't know what the user intended to set here.
> There should also be some binding documentation updates saying what the
> values that can be set are.

Sure, I will update it on next version.

>
>> +static void act8945a_pmic_shutdown(struct platform_device *pdev)
>> +{
>> + struct act8945a_pmic *act8945a = platform_get_drvdata(pdev);
>> + struct regmap *regmap = act8945a->regmap;
>> +
>> + /*
>> + * Ask the PMIC to shutdown everything on the next PWRHLD transition.
>> + */
>> + regmap_write(regmap, ACT8945A_SYS_CTRL, 0x0);
>> }
>>
>
> This shutdown function appears to be independant of the mode setting and
> would be better split out as a separate patch (you could have one patch
> adding the regmap stuff, one for this and one for the mode setting).
> It makes review a lot simpler if each patch does a minimal set of
> changes.

Ok, I will split them in next version.

Thank you,
Claudiu Beznea

>