Re: [PATCH] regulator: adding disable options for regulator-always-on and regulator-boots-on

[Mark Brown]

On Mon, Nov 03, 2014 at 10:26:43AM +0900, Hugh Kang wrote:
> From: "hugh.kang" <hugh.kang@xxxxxxx>
> 
> If a regulator is set by always-on option, the regulator will be set forever.
> For example, suppose LDO1 is set to always-on at RevA.dts with including of a.dtsi. After that
> RevB.dts may wants to include the same a.dtsi but override the LDO1 always-on option. However,
> currently there is no way to delete the always-on option, even when we change the LDO1 option value,
> the always-on setting is still remains.

This sounds like a problem with the way the DTSs have been written - I'd
expect the thing to do here is just to move the property to the rev A
DTS when rev B is created.  Why is that not the way forward?

Otherwise this is an issue which affects any boolean property in the DT
so if it's something we need to fix we should be fixing it in a generic
fashion that will work for other properties too.

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