On 6 January 2018 at 03:18, Mark Brown <broonie@xxxxxxxxxx> wrote:
> On Fri, Jan 05, 2018 at 12:53:28PM -0600, Rob Herring wrote:
>> On Thu, Jan 04, 2018 at 03:22:44PM +0800, Chunyan Zhang wrote:
>
>> > + - regulator-suspend-microvolt: the default voltage which regulator
>> > + would be set in suspend. The voltage for suspend also can be
>> > + adjusted among {regulator-suspend-min-microvolt,
>> > + regulator-suspend-max-microvolt} by calling
>> > + regulator_set_suspend_voltage(). This property is not deprecated,
>
>> You mean "is deprecated", right?
Ah, right, will correct this.
>
> I suspect "is now" but yeah.
>
>> > + - regulator-changeable-in-suspend: whether the default voltage and
>> > + the regulator on/off in suspend can be changed in runtime.
>
>> Is this not implied by having the constraints? Or the driver should know
>> this. The simply means you have some 2nd bank of registers for settings
>> while in suspend mode, right?
>
> No, it means that the software has permission to use those changes to
> those registers - we only want to be changing things if the user has
> permission to change them since some systems will have specific
> constraints, we don't know if it's safe without being explicitly told.
> You're right that we could infer this from a range being provided
> though, let's do that.
Ok, so we don't need this property IIUC, and instead we just need to check
if the regulator-suspend-min-microvolt and regulator-suspend-max-microvolt
are set to the same value, right?
Thanks,
Chunyan
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